A novel organotin complex [Ph3Sn(C2H5OH)(OCOC5H3NBr)SnPh3(OCOC5H3NBr)] has been synthesized by the reaction of 5-bromonicotinic acid with triphenyltin hydroxide in ethanol and characterized by elemental analysis...A novel organotin complex [Ph3Sn(C2H5OH)(OCOC5H3NBr)SnPh3(OCOC5H3NBr)] has been synthesized by the reaction of 5-bromonicotinic acid with triphenyltin hydroxide in ethanol and characterized by elemental analysis, IR and ^1H NMR. The crystal structure was determined by X-ray single-crystal diffraction. The crystal belongs to the monoclinic system, space group P21/c with a = 15.564(2), b = 24.975(4), c = 12.2973(19)°A, β = 92.224(2)°, Z = 4, V = 4776.5(13)°A^3, Dc = 1.596 g/cm^3, μ(MoKα) = 2.765 mm^-1, F(000) = 2264, R = 0.0385 and wR = 0.0667. In the molecular structure of the title complex, the tin atoms are five-coordinated in a trigonal bipyramidal geometry.展开更多
The reaction of 4-(p-fluobenzoyl)-2,5-dihydro-3-methyl-1-phenyl pyrazol-5-one with thiosemicarbazide in MeOH followed by recrystallization in EtOH gave rise to yellowish lamellar crystals of 4(p-fluo-a-aminothiocar...The reaction of 4-(p-fluobenzoyl)-2,5-dihydro-3-methyl-1-phenyl pyrazol-5-one with thiosemicarbazide in MeOH followed by recrystallization in EtOH gave rise to yellowish lamellar crystals of 4(p-fluo-a-aminothiocarbonyl hydrazonobenzal)-2,5-dihydro-3-methyl- 1-phenyl pyrazol-5-one 1. It crystallizes in orthorhombic, space group Pbca with a = 18.445(4), b = 11.987(2), c = 19.249(4) °A,, V= 4256.1(18)°A^3, Z = 8, Mr = 415.49, Dc= 1.297 g/cm^3, T = 296(2) K, F(000) = 1744,μ(MoKα) = 0.186 cm^-1, R = 0.0521 and wR = 0.1211 for 1661 observed reflections with I 〉 2σ(I). The compound was structurally characterized by elemental analyses, IR and ^1H NMR. The intermolecular hydrogen bonds are present and a two-dimensional framework is formed by two intermolecular hydrogen bonds in the (001) plane.展开更多
2,3-Bis(hydroxymethyl)-2,3-dinitro-1,4-butanediol(C6H12N2O8) was synthesized by condensation,cyclization,oxidative dimerization and deketalization of nitromethane with a total yield of 42.4%.The structure of the t...2,3-Bis(hydroxymethyl)-2,3-dinitro-1,4-butanediol(C6H12N2O8) was synthesized by condensation,cyclization,oxidative dimerization and deketalization of nitromethane with a total yield of 42.4%.The structure of the title compound was characterized by 1H NMR,13C NMR,FT-IR,elementary analysis,and X-ray single-crystal diffraction analysis,which reveals that the title compound crystallizes in triclinic,space group P with a = 0.6324(2),b = 0.6454(3),c = 0.7062(3) nm,α= 111.550(4),β= 95.505(4),γ= 113.395(4)°,V = 0.23595(16) nm3,Z = 1,Mr = 240.18,Dc = 1.690 g·cm-3,μ = 0.159 mm-1,F(000) = 126,R = 0.0304 and wR = 0.0907.展开更多
A novel dimer tungstovanadate, (H 3O) 4[VW 12 O 40 Na(H 2O) 4] 2, was hydrothermally synthesized and structurally characterized by single crystal X ray diffraction, IR spectra, TGA DSC thermal analysis...A novel dimer tungstovanadate, (H 3O) 4[VW 12 O 40 Na(H 2O) 4] 2, was hydrothermally synthesized and structurally characterized by single crystal X ray diffraction, IR spectra, TGA DSC thermal analysis and polarograpy. The yellowish crystal crystallized in the triclinic system, space group P1, a =1 464 5(3) nm, b =1 468 6(3) nm, c =1 411 1(3) nm, α=111 82(2)°, β=93 17(3)°, γ=117 47(3)°, V =2 210 6(8) nm 3, Z=1, D c=4 552 g·cm -3 , λ (Mo Kα )=0 071 073 nm, μ =31 402 mm -1 , F(000)=2 648, R =0 078 0. The title compound consists of two Keggin structure units linked together with two hydrated sodium cations to form a dimer with a porous structure with the pore dimension of 0 766 nm×0 778 5 nm. [WT5FZ]展开更多
Decavanadium oxide [Co 2Cl 8V 10 O 18 (H 2O)]Cl 2·6H 2O was synthesized hydrothermally with NH 4VO 3, Na 2MoO 4·2H 2O, H 3PO 4(85%), CoCl 2·6H 2O and hexamethylenetetraamine. The X ray diffraction analy...Decavanadium oxide [Co 2Cl 8V 10 O 18 (H 2O)]Cl 2·6H 2O was synthesized hydrothermally with NH 4VO 3, Na 2MoO 4·2H 2O, H 3PO 4(85%), CoCl 2·6H 2O and hexamethylenetetraamine. The X ray diffraction analysis showed that [Co 2Cl 8V 10 O 18 (H 2O)]Cl 2·6H 2O crystallized in a monoclinic crystal system, the space group was C2/m with cell parameters a =1 6065(3) nm, b =2 2699(5) nm, c =1 3897(3) nm, β = 125.29(3)°, V =4 1363(14) nm 3, Z =2 and the final R =0 06, wR =0 1926. Its crystal structure is a 3 D open framework constructed by VO x polyhedra and CoCl 4 tetrahedra with channels along the crystallographic axes a, b, and c .展开更多
The crystal structure of the title compound {[Mn(phen)2(OAc)(H2O)]ClO4}2H2O (phen = 1,10-phenanthroline) has been synthesized and determined by X-ray diffraction. The crystal is of triclinic, space group P?with a = 12...The crystal structure of the title compound {[Mn(phen)2(OAc)(H2O)]ClO4}2H2O (phen = 1,10-phenanthroline) has been synthesized and determined by X-ray diffraction. The crystal is of triclinic, space group P?with a = 12.7955(4), b = 15.0544(4), c = 16.2183(4) , ?= 64.479(1), b =67.526(1), g = 83.582(1), C52H40Cl2Mn2N8O15, Mr = 1197.70, V = 2600.1(1) ?, Dc = 1.530 g/cm3, F(000) = 1224, = 0.666 cm-1 and Z = 2. The final refinement gave R = 0.0691 and wR = 0.1821 for 6131 observed reflections with I > 2s(I). The cell of the complex contains two uniform mono-manganese molecules [Mn(phen)2(OAc)(H2O)]ClO4 and a solvate water molecule. Four nitrogen atoms from two chelating phenanthroline ligands and one oxygen atom from acetate ligate to the MnⅡ ion, forming a distorted octahedral geometry together with one coordinated water molecule. One ClO4- anion and one water molecule exist outside the cation [Mn(phen)2(OAc)- (H2O)]+ as a counter ion and solvate molecule, respectively.展开更多
A novel Zr-substituted polyoxometalate(POM) H2K3[Na6(H2O)9][Zr3Na3O3(H2O)3-(GeW9O(34))2]·12H2O(1) has been made under hydrothermal conditions. 1 was characterized by infrared spectrum, thermogravimetr...A novel Zr-substituted polyoxometalate(POM) H2K3[Na6(H2O)9][Zr3Na3O3(H2O)3-(GeW9O(34))2]·12H2O(1) has been made under hydrothermal conditions. 1 was characterized by infrared spectrum, thermogravimetric analysis, powder X-ray diffraction and single-crystal X-ray diffraction. Crystal data are: H(50)O(95)Na9K3Ge2Zr3W(1)8, hexagonal space group P63/mmc, a = 15.2251(6), b = 15.2251(6), c = 25.035(2) , V = 5025.7(6) 3, Z = 2, Dc = 3.716 mg/m3, μ = 21.648 mm(-1), F(000) = 4726, the final R = 0.0259 and w R = 0.0647 for 1487 observed reflections with I 2σ(I). Single-crystal X-ray structure analysis reveals that 1 exhibits a 3-dimensional framework structure based on Zr3Na3-substituted polyanions [Zr3Na3O3(H2O)3(GeW9O(34))2](11-) and [Na6(H2O)9](6+) clusters building blocks. UV-Vis spectrum indicates that 1 is a wide-gap semiconductor. In addition, the proton-conducting property of 1 was also investigated.展开更多
An arene-ruthenium dimeric complex, [(η^6-p-cymene)Ru(μ-N3)(N3)]2 1, was synthesized from the reaction of [(η^6-p-cymene)Ru(μ-Cl)(Cl)]2 with an excess NaN3 and charac- terized by single-crystal X-ray d...An arene-ruthenium dimeric complex, [(η^6-p-cymene)Ru(μ-N3)(N3)]2 1, was synthesized from the reaction of [(η^6-p-cymene)Ru(μ-Cl)(Cl)]2 with an excess NaN3 and charac- terized by single-crystal X-ray diffraction. It crystallizes in triclinic, space group P1^- with a = 8.2321(8), b = 8.2155(8), c = 9.9976(11)A, α= 81.786(5), β= 82.906(5), γ= 77.134(5)°, V= 649.46(11)A^3, Z= 1, Mr = 638.68, Dc = 1.633 g/cm3,/t(MoKα) = 1.195 mm^-1, F(000) = 320, S = 0.974, the fmal R = 0.0282 and wR = 0.0644 for 2363 observed reflections with I 〉 2σ(I) and 157 variables. The neutral molecule is dimeric with two azide ligands bridging two ruthenium atoms to adopt an octahedral coordination geometry. The average Ru-Nt (terminal) and Ru-Nb (bridge) bond lengths are 2.092(3) and 2.147(2)A, respectively.展开更多
A novel crystal [(CH3O)2CO]3Li2[C2BF2O4]2 was synthesized and fully characterized by FT-IR and single-crystal X-ray diffraction analysis. It crystallizes in monoclinic system, P2Jn space group, with a = 8.1749(2),...A novel crystal [(CH3O)2CO]3Li2[C2BF2O4]2 was synthesized and fully characterized by FT-IR and single-crystal X-ray diffraction analysis. It crystallizes in monoclinic system, P2Jn space group, with a = 8.1749(2), b = 10.7449(2), c = 12.8665(3) A, βl = 94.654(2)°, V= 1126.45(4) A3, Z = 2, Dc = 1.644 g/cm, F(000) = 568, p = 1.498 mm^-1, Mr= 557.77 g/mol, the final R = 0.0334 and wR = 0.0903. The structure analysis revealed that each Li atom is three-coordinated and adopts 1.5 O atoms of two different dimethyl carbonates and one O atom of C2BF2O4-. Thermal stability and infrared spectra analysis were studied and discussed.展开更多
Two novel transition metal phosphonate compounds, [Co(H2BDPP)(phen)]n 1 (BDPP = p-O3PCH2(C6H4)CH2PO3, phen = 1,10-phenanthroline) and [Pb3(BCP)2]n 2 (BCP = OOC(C6H4)CH2PO3), have been synthesized and str...Two novel transition metal phosphonate compounds, [Co(H2BDPP)(phen)]n 1 (BDPP = p-O3PCH2(C6H4)CH2PO3, phen = 1,10-phenanthroline) and [Pb3(BCP)2]n 2 (BCP = OOC(C6H4)CH2PO3), have been synthesized and structurally determined by X-ray single-crystal diffraction. Compound 1 crystallizes in the monoclinic system, space group C2/c with a = 21.169(4), b = 12.001(2), c = 7.6211(15)A, β = 98.03(3)°, V= 1917.2(6)A^3, C20H18N2O6P2Co, Mr = 505.22, Z = 8, De= 1.737 g/cm^3, p = 1.107 mm^-1, F(000) = 1020, the final R= 0.0450 and wR = 0.1306 for 2072 observed reflections (I 〉 2σ(I). Compound 2 crystallizes in the monoclinic system, space group C2/c with a = 4.7167(9), b = 18.753(2), c = 22.781(3)A, β = 91.07(3)°, V= 2014.7(14)A^, C8H6O5PPb1.5, Mr = 523.88, Z = 8, Dc = 3.454 g/cm^3, p = 25.222 mm^-1, F(000) = 1856, the final R = 0.0441 and wR = 0.1906 for 2259 observed reflections (I 〉 2σ(I). In compound 1, the 1D chain running along the c axis is bridged by four ligands (trans- HO3PCH2C6H4CH2PO3H) in four different directions to extend the structure into a three- dimensional network. In compound 2, the Pb(II) displays 4- and 5-coordination modes. There is a one-dimensional P-O-Pb band along the a axis formed by PO3 groups and Pb(II) cations. These bands are joined by μ2-O of -COO to yield two-dimensional inorganic P-O-Pb layers which are pillared by the OOCC6HaCH2PO3 ligands to form a three-dimensional network. Moreover, compound 2 displays a strong emission band attributed to the ligand-centered (LC) transition.展开更多
One new lead coordination polymer, [Pb(tza)2] n (1, Htza = tetrazole-1-acetic acid) has been synthesized under hydrothermal conditions and characterized by elemental analysis, IR spectroscopy, thermogravimetric an...One new lead coordination polymer, [Pb(tza)2] n (1, Htza = tetrazole-1-acetic acid) has been synthesized under hydrothermal conditions and characterized by elemental analysis, IR spectroscopy, thermogravimetric analysis (TGA), fluorescence spectra and single-crystal X-ray diffraction. Coordination polymer 1 is of monoclinio system, space group C2/c with a = 15.4388(16), b = 10.4039(11), c = 8.3360(8) A, β = 119.2070(10)°, V= 1168.7(2) A3, C6H6N8O4Pb, Z = 4, Mr = 461.38, Dc = 2.622 g/cm3,/z(MoKa) = 14.463 mm^-1, F(O00) = 848, the final R = 0.0373 and wR = 0.0904 for 2744 observed reflections with I 〉 20(I). 1 is a 3D coordination framework built from Pb-carboxylate chains and the tetrazole nitrogen atoms of tza ligands. Furthermore, the luminescent property of 1 has also been investigated.展开更多
The title compound (H3NCH2CH2NH3)4[(VO)6(B10O22)2]·(H3O)7 1 has been synthe- sized by the hydrothermal method and determined by X-ray crystallography. Crystallographic data: monoclinic, space group C2/c, a = 20.2...The title compound (H3NCH2CH2NH3)4[(VO)6(B10O22)2]·(H3O)7 1 has been synthe- sized by the hydrothermal method and determined by X-ray crystallography. Crystallographic data: monoclinic, space group C2/c, a = 20.250(4), b = 13.448(3), c = 21.655(4) ?, β = 97.05(3)°, Mr = 851.74 (C4H30.5B10N4O28.5V3), V = 5852(2) ?3, Z = 8, Dc = 1.933 g/cm3, μ = 1.057 mm-1, F(000) = 3436, R = 0.0500 and wR = 0.1442 for 4511 observed reflections with I > 2σ(I). The structure con- sists of [(VO)6(B10O22)2]15- cluster anions that have a central band of six trans-edge-sharing VO5 square pyramids capped by two [B10O22]14- polyborate ligands. Other characterizations are also describ- ed by elemental analysis, IR spectrum and thermal analysis.展开更多
An energetic salt of bis(l,5-diamino-lH-tetrazolium)3,3"-bis(nitramino)-4, 4x-azo- furazan (C6H10N2206) was synthesized with the total yield of 61.7% by using 3,4-diaminofurazan (DAF) as the starting material...An energetic salt of bis(l,5-diamino-lH-tetrazolium)3,3"-bis(nitramino)-4, 4x-azo- furazan (C6H10N2206) was synthesized with the total yield of 61.7% by using 3,4-diaminofurazan (DAF) as the starting material. The structure of the title compound was confirmed by NMR, IR, elemental analysis and single-crystal X-ray diffraction. It crystallizes in orthorhombic, space group P21/c with a = 10.739(2), b = 6.4765(12), c = 14.138(3) A, fl= 108.787(3)°, V= 930.9(3) A3, Z = 1, Mr= 486.36, Dc = 1.735 g.cm3, μ= 0.15 mm-1, F(000) = 496, R = 0.042 and wR = 0.121. The thermal stability was analyzed by subsequently differential scanning calorimetry (DSC). And the enthalpy of formation and detonation was calculated theoretically, showing the first decomposition temperature was 142.1℃, the enthalpy of formation was 1614.23 kJ.mol1 and the detonation velocity and detonation pressure were 8.781 km.s-1 and 30.7 GPa, respectively.展开更多
The title complex [CoIII(2, 2?bpy)2(N3)2]種O3?H2O was obtained by an auto-oxidization reaction of cobalt nitrate with 2, 2-bpy and sodium azide in aqueous solution at room temperature, and violet single crystals were ...The title complex [CoIII(2, 2?bpy)2(N3)2]種O3?H2O was obtained by an auto-oxidization reaction of cobalt nitrate with 2, 2-bpy and sodium azide in aqueous solution at room temperature, and violet single crystals were prepared in ethanol solution. The structure was determined by X-ray crystallography. The crystal is of triclinic, space group P ?with a = 8.285(4), b = 11.990(8), c = 12.596(7) ? a = 86.630(3), b = 86.280(5), g = 71.130(10)? C20H20CoN11O5, Mr = 553.40, Z = 2, V = 1180.6(12) ?, F(000) = 568, Dc = 1.557 g/cm3, m = 0.784 mm-1, R = 0.0403 and wR = 0.1008. The title complex consists of a [CoⅢ(2, 2?bpy)2(N3)2]+ cation, a NO3- anion and two lattice water molecules. The center CoⅢ ion coordinated by two chelating 2, 2?bpy ligands and two terminal azide groups with a CoN6 coordination environment exhibits a distorted octahedral geometry.展开更多
The synthesis for acyliminothiazolines by treatment of N, N□-substituted thioureas with α-bromoacetophenone under aqueous media was described. 2-(2-Benzofuroylimino)-3-aryl- 4-phenyl-1,3- thiazolines were characte...The synthesis for acyliminothiazolines by treatment of N, N□-substituted thioureas with α-bromoacetophenone under aqueous media was described. 2-(2-Benzofuroylimino)-3-aryl- 4-phenyl-1,3- thiazolines were characterized by infrared, NMR spectroscopy and elemental analysis. The single crystals of compounds 4a and 4b were grown by slow evaporation of 80% ethanol solution at room temperature. Compounds 4a and 4b crystallize in triclinic space group P1 and monoclinic space group P21/c, respectively.展开更多
A new Zr-substituted polyoxometalate(POM) [(CH3)4N]6H2Cs2(H2O)4[Zr2(μ2-OH)2(α-SiW11O39)2]·27H2O(1) was prepared by the reaction of K10[A-α-SiW9O(34)]·25H2O with ZrCl4 in 0.5 mol/L NaAc-HAc(...A new Zr-substituted polyoxometalate(POM) [(CH3)4N]6H2Cs2(H2O)4[Zr2(μ2-OH)2(α-SiW11O39)2]·27H2O(1) was prepared by the reaction of K10[A-α-SiW9O(34)]·25H2O with ZrCl4 in 0.5 mol/L NaAc-HAc(Ac = CH3COO^-) buffer solution(pH = 4.5). 1 was characterized by elemental and thermogravimetric analyses, powder X-ray diffraction and single-crystal X-ray diffraction. The title compound crystallizes in monoclinic system, space group P21/m with a = 13.1865(16), b = 20.964(3), c = 21.432(3) A^°, V = 5923.9(12) A^°3, Z = 2, Dc = 3.833 mg/m^3, μ = 22.175 mm^-1, F(000) = 6116, the final R = 0.0697 and wR = 0.1959 for 10319 observed reflections with I 〉 2σ(I). Single-crystal X-ray structure analysis reveals that 1 exhibits a one-dimensional chain structure based on sandwiched-type POM anions [Zr2(μ2-OH)2(α-SiW11O(39))2]^10- linked by Cs+cations. In addition, catalytic tests indicate that 1 provides a sufficient driving force for the conversion from thioethers to sulfoxides/sulfones by H2O2.展开更多
Reaction of [Et4N]2[Mo2S2(μ-S)2(edt)2] with CoCl2?6H2O and Phen in MeCN followed by recrystallization in DMSO/Et2O gave rise to dark-red block crystals of {[Co(Phen)3]- [Mo2S2(μ-S)2(edt)2]}2?(DMSO)2?(Et2O) 1 (C88H86...Reaction of [Et4N]2[Mo2S2(μ-S)2(edt)2] with CoCl2?6H2O and Phen in MeCN followed by recrystallization in DMSO/Et2O gave rise to dark-red block crystals of {[Co(Phen)3]- [Mo2S2(μ-S)2(edt)2]}2?(DMSO)2?(Et2O) 1 (C88H86Co2Mo4N12O3S18). 1 crystallizes in the monoclinic system, space group P21/c with a = 24.631(4), b = 16.117(3), c = 24.791(4) ?, β = 92.835o, V = 9829.3(3) ?3, Z = 4, Mr = 2438.57, Dc = 1.648 g/cm3, F(000) = 4928, μ = 12.61 cm-1, R = 0.0936 and wR = 0.1682 for 12998 observed reflections with I > 2.0σ(I). In the structure of 1, the Co atom of the [Co(Phen)3]2+ dication is octahedrally coordinated by three Phen ligands. The Mo atom of the [Mo2S2(μ-S)2(edt)2]2- dianion is coordinated by two μ-S, one terminal S and two S atoms from edt, forming a distorted square pyramidal geometry. The mean Co–N and Mo…Mo bond distances are 2.139 and 2.872 ?, respectively.展开更多
The reactions of [PPh4][(h5-C5Me5)WS3] with four equiv of CuBr in DMF gave rise to a new cluster salt [Cu(DMF)6][(h5-C5Me5)WS3(CuBr)3]2稥t2O 1. The crystal structure of 1 (C42H76N6O7Br6Cu7S6W2, Mr = 2261.40) was dete...The reactions of [PPh4][(h5-C5Me5)WS3] with four equiv of CuBr in DMF gave rise to a new cluster salt [Cu(DMF)6][(h5-C5Me5)WS3(CuBr)3]2稥t2O 1. The crystal structure of 1 (C42H76N6O7Br6Cu7S6W2, Mr = 2261.40) was determined by single-crystal X-ray diffraction analysis. The crystal belongs to orthorhombic, space group Pbcm with a = 9.419(1), b = 28.237(1), c = 16.488(3) ? V = 7054.6(8) 3, Z = 4, Dc = 2.129 g/cm3, F(000) = 4332, m (Mo Ka) = 89.46 cm-1 and T = 193 K. With the use of 5746 observed reflections (I > 3.0s(I)), the structure was refined to R = 0.045 and Rw = 0.060. 1 is composed of one [(h5-C5Me5)WS3(CuBr)3]22- dianion, one [Cu(DMF)6]2+ cation and one Et2O solvent molecule. The cluster dianion contains two incomplete-cubane (h5-C5Me5)WS3(CuBr)3 fragments connected by a pair of CuBrCu bridges to form a double incomplete-cubane structure. The range of WCu distance is 2.657(1)~2.677(2) ?in the W2Cu6S6 cluster core.展开更多
7-(Diethylamino)-3-(4-aminophenyl)coumarin has been synthesized in a new one-pot synthesis by a three-step process starting from 4-(diethylamino)salicylaldehyde and 4-nitrophenylacetonitrile. The product was obt...7-(Diethylamino)-3-(4-aminophenyl)coumarin has been synthesized in a new one-pot synthesis by a three-step process starting from 4-(diethylamino)salicylaldehyde and 4-nitrophenylacetonitrile. The product was obtained in a good yield with a high degree of purity and characterized by NMR, IR and HR-MS. The orange crystals of the title compound were grown from ethyl acetate solution. The solid state structure was established by X-ray crystallography analysis. The crystal belongs to the orthorombic system, space group Pccn with a = 11.1095(5), b = 33.0187(15), c = 17.2865(7) A, V= 6341.1(5) A3, C19H20N2O2, Mr = 308.37, ρcalc = 1.292 g·cm^-3, = 0.085 mm^-1, F(000) = 2624, the final R = 0.0480 and wR = 0.1265 (I〉 2σ(I)).展开更多
基金Project supported by the National Natural Science Foundation of China (No. 20271025) and Natural Science Foundation of Shandong Province (No. 2005ZX09)
文摘A novel organotin complex [Ph3Sn(C2H5OH)(OCOC5H3NBr)SnPh3(OCOC5H3NBr)] has been synthesized by the reaction of 5-bromonicotinic acid with triphenyltin hydroxide in ethanol and characterized by elemental analysis, IR and ^1H NMR. The crystal structure was determined by X-ray single-crystal diffraction. The crystal belongs to the monoclinic system, space group P21/c with a = 15.564(2), b = 24.975(4), c = 12.2973(19)°A, β = 92.224(2)°, Z = 4, V = 4776.5(13)°A^3, Dc = 1.596 g/cm^3, μ(MoKα) = 2.765 mm^-1, F(000) = 2264, R = 0.0385 and wR = 0.0667. In the molecular structure of the title complex, the tin atoms are five-coordinated in a trigonal bipyramidal geometry.
基金This project was supported by the National Natural Science Foundation of China (No. 20462007) and Xinjiang Bureau of Education (No. XJEDU2004S06)
文摘The reaction of 4-(p-fluobenzoyl)-2,5-dihydro-3-methyl-1-phenyl pyrazol-5-one with thiosemicarbazide in MeOH followed by recrystallization in EtOH gave rise to yellowish lamellar crystals of 4(p-fluo-a-aminothiocarbonyl hydrazonobenzal)-2,5-dihydro-3-methyl- 1-phenyl pyrazol-5-one 1. It crystallizes in orthorhombic, space group Pbca with a = 18.445(4), b = 11.987(2), c = 19.249(4) °A,, V= 4256.1(18)°A^3, Z = 8, Mr = 415.49, Dc= 1.297 g/cm^3, T = 296(2) K, F(000) = 1744,μ(MoKα) = 0.186 cm^-1, R = 0.0521 and wR = 0.1211 for 1661 observed reflections with I 〉 2σ(I). The compound was structurally characterized by elemental analyses, IR and ^1H NMR. The intermolecular hydrogen bonds are present and a two-dimensional framework is formed by two intermolecular hydrogen bonds in the (001) plane.
基金Supported by the National "973" project (No. 613740102)
文摘2,3-Bis(hydroxymethyl)-2,3-dinitro-1,4-butanediol(C6H12N2O8) was synthesized by condensation,cyclization,oxidative dimerization and deketalization of nitromethane with a total yield of 42.4%.The structure of the title compound was characterized by 1H NMR,13C NMR,FT-IR,elementary analysis,and X-ray single-crystal diffraction analysis,which reveals that the title compound crystallizes in triclinic,space group P with a = 0.6324(2),b = 0.6454(3),c = 0.7062(3) nm,α= 111.550(4),β= 95.505(4),γ= 113.395(4)°,V = 0.23595(16) nm3,Z = 1,Mr = 240.18,Dc = 1.690 g·cm-3,μ = 0.159 mm-1,F(000) = 126,R = 0.0304 and wR = 0.0907.
基金Supported financially by the Key laboratory of Inorganic Hydrothermal Synthesis of Jilin University
文摘A novel dimer tungstovanadate, (H 3O) 4[VW 12 O 40 Na(H 2O) 4] 2, was hydrothermally synthesized and structurally characterized by single crystal X ray diffraction, IR spectra, TGA DSC thermal analysis and polarograpy. The yellowish crystal crystallized in the triclinic system, space group P1, a =1 464 5(3) nm, b =1 468 6(3) nm, c =1 411 1(3) nm, α=111 82(2)°, β=93 17(3)°, γ=117 47(3)°, V =2 210 6(8) nm 3, Z=1, D c=4 552 g·cm -3 , λ (Mo Kα )=0 071 073 nm, μ =31 402 mm -1 , F(000)=2 648, R =0 078 0. The title compound consists of two Keggin structure units linked together with two hydrated sodium cations to form a dimer with a porous structure with the pore dimension of 0 766 nm×0 778 5 nm. [WT5FZ]
基金Supported by the National Natural Science Foundation of China(No.2 0 1710 10 ) .
文摘Decavanadium oxide [Co 2Cl 8V 10 O 18 (H 2O)]Cl 2·6H 2O was synthesized hydrothermally with NH 4VO 3, Na 2MoO 4·2H 2O, H 3PO 4(85%), CoCl 2·6H 2O and hexamethylenetetraamine. The X ray diffraction analysis showed that [Co 2Cl 8V 10 O 18 (H 2O)]Cl 2·6H 2O crystallized in a monoclinic crystal system, the space group was C2/m with cell parameters a =1 6065(3) nm, b =2 2699(5) nm, c =1 3897(3) nm, β = 125.29(3)°, V =4 1363(14) nm 3, Z =2 and the final R =0 06, wR =0 1926. Its crystal structure is a 3 D open framework constructed by VO x polyhedra and CoCl 4 tetrahedra with channels along the crystallographic axes a, b, and c .
基金This work was supported by the State Key Basic Research and Development Plan (G1998010100) and NNSFC (No. 30170229 29973047 and 39970177)
文摘The crystal structure of the title compound {[Mn(phen)2(OAc)(H2O)]ClO4}2H2O (phen = 1,10-phenanthroline) has been synthesized and determined by X-ray diffraction. The crystal is of triclinic, space group P?with a = 12.7955(4), b = 15.0544(4), c = 16.2183(4) , ?= 64.479(1), b =67.526(1), g = 83.582(1), C52H40Cl2Mn2N8O15, Mr = 1197.70, V = 2600.1(1) ?, Dc = 1.530 g/cm3, F(000) = 1224, = 0.666 cm-1 and Z = 2. The final refinement gave R = 0.0691 and wR = 0.1821 for 6131 observed reflections with I > 2s(I). The cell of the complex contains two uniform mono-manganese molecules [Mn(phen)2(OAc)(H2O)]ClO4 and a solvate water molecule. Four nitrogen atoms from two chelating phenanthroline ligands and one oxygen atom from acetate ligate to the MnⅡ ion, forming a distorted octahedral geometry together with one coordinated water molecule. One ClO4- anion and one water molecule exist outside the cation [Mn(phen)2(OAc)- (H2O)]+ as a counter ion and solvate molecule, respectively.
基金supported by the National Natural Science Foundation of China(No.21401195)the Natural Science Foundation for young scholars of Fujian province(2015J05041)the open foundation of State Key Laboratory of Structural Chemistry(20160020)
文摘A novel Zr-substituted polyoxometalate(POM) H2K3[Na6(H2O)9][Zr3Na3O3(H2O)3-(GeW9O(34))2]·12H2O(1) has been made under hydrothermal conditions. 1 was characterized by infrared spectrum, thermogravimetric analysis, powder X-ray diffraction and single-crystal X-ray diffraction. Crystal data are: H(50)O(95)Na9K3Ge2Zr3W(1)8, hexagonal space group P63/mmc, a = 15.2251(6), b = 15.2251(6), c = 25.035(2) , V = 5025.7(6) 3, Z = 2, Dc = 3.716 mg/m3, μ = 21.648 mm(-1), F(000) = 4726, the final R = 0.0259 and w R = 0.0647 for 1487 observed reflections with I 2σ(I). Single-crystal X-ray structure analysis reveals that 1 exhibits a 3-dimensional framework structure based on Zr3Na3-substituted polyanions [Zr3Na3O3(H2O)3(GeW9O(34))2](11-) and [Na6(H2O)9](6+) clusters building blocks. UV-Vis spectrum indicates that 1 is a wide-gap semiconductor. In addition, the proton-conducting property of 1 was also investigated.
基金supported by the Natural Science Foundation of the Education Bureau of Anhui Province the Program for New Century Excellent Talents in University (2006kj035a and NCET-06-0556)
文摘An arene-ruthenium dimeric complex, [(η^6-p-cymene)Ru(μ-N3)(N3)]2 1, was synthesized from the reaction of [(η^6-p-cymene)Ru(μ-Cl)(Cl)]2 with an excess NaN3 and charac- terized by single-crystal X-ray diffraction. It crystallizes in triclinic, space group P1^- with a = 8.2321(8), b = 8.2155(8), c = 9.9976(11)A, α= 81.786(5), β= 82.906(5), γ= 77.134(5)°, V= 649.46(11)A^3, Z= 1, Mr = 638.68, Dc = 1.633 g/cm3,/t(MoKα) = 1.195 mm^-1, F(000) = 320, S = 0.974, the fmal R = 0.0282 and wR = 0.0644 for 2363 observed reflections with I 〉 2σ(I) and 157 variables. The neutral molecule is dimeric with two azide ligands bridging two ruthenium atoms to adopt an octahedral coordination geometry. The average Ru-Nt (terminal) and Ru-Nb (bridge) bond lengths are 2.092(3) and 2.147(2)A, respectively.
基金supported by the National Natural Science Foundation of China(210011111)
文摘A novel crystal [(CH3O)2CO]3Li2[C2BF2O4]2 was synthesized and fully characterized by FT-IR and single-crystal X-ray diffraction analysis. It crystallizes in monoclinic system, P2Jn space group, with a = 8.1749(2), b = 10.7449(2), c = 12.8665(3) A, βl = 94.654(2)°, V= 1126.45(4) A3, Z = 2, Dc = 1.644 g/cm, F(000) = 568, p = 1.498 mm^-1, Mr= 557.77 g/mol, the final R = 0.0334 and wR = 0.0903. The structure analysis revealed that each Li atom is three-coordinated and adopts 1.5 O atoms of two different dimethyl carbonates and one O atom of C2BF2O4-. Thermal stability and infrared spectra analysis were studied and discussed.
基金supported by the State Key Laboratory of Structural Chemistry, National Natural Science Foundation of China (20873021)the Young Talent Programmed of Fujian Province (No. 2006F3072)
文摘Two novel transition metal phosphonate compounds, [Co(H2BDPP)(phen)]n 1 (BDPP = p-O3PCH2(C6H4)CH2PO3, phen = 1,10-phenanthroline) and [Pb3(BCP)2]n 2 (BCP = OOC(C6H4)CH2PO3), have been synthesized and structurally determined by X-ray single-crystal diffraction. Compound 1 crystallizes in the monoclinic system, space group C2/c with a = 21.169(4), b = 12.001(2), c = 7.6211(15)A, β = 98.03(3)°, V= 1917.2(6)A^3, C20H18N2O6P2Co, Mr = 505.22, Z = 8, De= 1.737 g/cm^3, p = 1.107 mm^-1, F(000) = 1020, the final R= 0.0450 and wR = 0.1306 for 2072 observed reflections (I 〉 2σ(I). Compound 2 crystallizes in the monoclinic system, space group C2/c with a = 4.7167(9), b = 18.753(2), c = 22.781(3)A, β = 91.07(3)°, V= 2014.7(14)A^, C8H6O5PPb1.5, Mr = 523.88, Z = 8, Dc = 3.454 g/cm^3, p = 25.222 mm^-1, F(000) = 1856, the final R = 0.0441 and wR = 0.1906 for 2259 observed reflections (I 〉 2σ(I). In compound 1, the 1D chain running along the c axis is bridged by four ligands (trans- HO3PCH2C6H4CH2PO3H) in four different directions to extend the structure into a three- dimensional network. In compound 2, the Pb(II) displays 4- and 5-coordination modes. There is a one-dimensional P-O-Pb band along the a axis formed by PO3 groups and Pb(II) cations. These bands are joined by μ2-O of -COO to yield two-dimensional inorganic P-O-Pb layers which are pillared by the OOCC6HaCH2PO3 ligands to form a three-dimensional network. Moreover, compound 2 displays a strong emission band attributed to the ligand-centered (LC) transition.
基金Supported by the Nonprofit Industry Foundation of the National Ocean Administration of China (No.2000905021)the Guangdong Oceanic Fisheries Technology Promotion Project (No.A2009003-018(c))+3 种基金the Guangdong Chinese Academy of Science Comprehensive Strategic Cooperation Project(No.2009B091300121)the Guangdong Province Key Project in the field of social development (No.A2009011-007(c))the Science and Technology Department of Guangdong Province Project (No.00087061110314018)the Natural Science Foundation of Guangdong Province (No.9252408801000002)
文摘One new lead coordination polymer, [Pb(tza)2] n (1, Htza = tetrazole-1-acetic acid) has been synthesized under hydrothermal conditions and characterized by elemental analysis, IR spectroscopy, thermogravimetric analysis (TGA), fluorescence spectra and single-crystal X-ray diffraction. Coordination polymer 1 is of monoclinio system, space group C2/c with a = 15.4388(16), b = 10.4039(11), c = 8.3360(8) A, β = 119.2070(10)°, V= 1168.7(2) A3, C6H6N8O4Pb, Z = 4, Mr = 461.38, Dc = 2.622 g/cm3,/z(MoKa) = 14.463 mm^-1, F(O00) = 848, the final R = 0.0373 and wR = 0.0904 for 2744 observed reflections with I 〉 20(I). 1 is a 3D coordination framework built from Pb-carboxylate chains and the tetrazole nitrogen atoms of tza ligands. Furthermore, the luminescent property of 1 has also been investigated.
基金This work was supported by the Natural Science Foundation of Fujian Province (E0110013 and K02028)
文摘The title compound (H3NCH2CH2NH3)4[(VO)6(B10O22)2]·(H3O)7 1 has been synthe- sized by the hydrothermal method and determined by X-ray crystallography. Crystallographic data: monoclinic, space group C2/c, a = 20.250(4), b = 13.448(3), c = 21.655(4) ?, β = 97.05(3)°, Mr = 851.74 (C4H30.5B10N4O28.5V3), V = 5852(2) ?3, Z = 8, Dc = 1.933 g/cm3, μ = 1.057 mm-1, F(000) = 3436, R = 0.0500 and wR = 0.1442 for 4511 observed reflections with I > 2σ(I). The structure con- sists of [(VO)6(B10O22)2]15- cluster anions that have a central band of six trans-edge-sharing VO5 square pyramids capped by two [B10O22]14- polyborate ligands. Other characterizations are also describ- ed by elemental analysis, IR spectrum and thermal analysis.
文摘An energetic salt of bis(l,5-diamino-lH-tetrazolium)3,3"-bis(nitramino)-4, 4x-azo- furazan (C6H10N2206) was synthesized with the total yield of 61.7% by using 3,4-diaminofurazan (DAF) as the starting material. The structure of the title compound was confirmed by NMR, IR, elemental analysis and single-crystal X-ray diffraction. It crystallizes in orthorhombic, space group P21/c with a = 10.739(2), b = 6.4765(12), c = 14.138(3) A, fl= 108.787(3)°, V= 930.9(3) A3, Z = 1, Mr= 486.36, Dc = 1.735 g.cm3, μ= 0.15 mm-1, F(000) = 496, R = 0.042 and wR = 0.121. The thermal stability was analyzed by subsequently differential scanning calorimetry (DSC). And the enthalpy of formation and detonation was calculated theoretically, showing the first decomposition temperature was 142.1℃, the enthalpy of formation was 1614.23 kJ.mol1 and the detonation velocity and detonation pressure were 8.781 km.s-1 and 30.7 GPa, respectively.
文摘The title complex [CoIII(2, 2?bpy)2(N3)2]種O3?H2O was obtained by an auto-oxidization reaction of cobalt nitrate with 2, 2-bpy and sodium azide in aqueous solution at room temperature, and violet single crystals were prepared in ethanol solution. The structure was determined by X-ray crystallography. The crystal is of triclinic, space group P ?with a = 8.285(4), b = 11.990(8), c = 12.596(7) ? a = 86.630(3), b = 86.280(5), g = 71.130(10)? C20H20CoN11O5, Mr = 553.40, Z = 2, V = 1180.6(12) ?, F(000) = 568, Dc = 1.557 g/cm3, m = 0.784 mm-1, R = 0.0403 and wR = 0.1008. The title complex consists of a [CoⅢ(2, 2?bpy)2(N3)2]+ cation, a NO3- anion and two lattice water molecules. The center CoⅢ ion coordinated by two chelating 2, 2?bpy ligands and two terminal azide groups with a CoN6 coordination environment exhibits a distorted octahedral geometry.
文摘The synthesis for acyliminothiazolines by treatment of N, N□-substituted thioureas with α-bromoacetophenone under aqueous media was described. 2-(2-Benzofuroylimino)-3-aryl- 4-phenyl-1,3- thiazolines were characterized by infrared, NMR spectroscopy and elemental analysis. The single crystals of compounds 4a and 4b were grown by slow evaporation of 80% ethanol solution at room temperature. Compounds 4a and 4b crystallize in triclinic space group P1 and monoclinic space group P21/c, respectively.
基金supported by the National Natural Science Foundation of China(No.21401195,21671040)the Natural Science Foundation for Young Scholars of Fujian Province(2015J05041)the Open Foundation of State Key Laboratory of Structural Chemistry(20160020)
文摘A new Zr-substituted polyoxometalate(POM) [(CH3)4N]6H2Cs2(H2O)4[Zr2(μ2-OH)2(α-SiW11O39)2]·27H2O(1) was prepared by the reaction of K10[A-α-SiW9O(34)]·25H2O with ZrCl4 in 0.5 mol/L NaAc-HAc(Ac = CH3COO^-) buffer solution(pH = 4.5). 1 was characterized by elemental and thermogravimetric analyses, powder X-ray diffraction and single-crystal X-ray diffraction. The title compound crystallizes in monoclinic system, space group P21/m with a = 13.1865(16), b = 20.964(3), c = 21.432(3) A^°, V = 5923.9(12) A^°3, Z = 2, Dc = 3.833 mg/m^3, μ = 22.175 mm^-1, F(000) = 6116, the final R = 0.0697 and wR = 0.1959 for 10319 observed reflections with I 〉 2σ(I). Single-crystal X-ray structure analysis reveals that 1 exhibits a one-dimensional chain structure based on sandwiched-type POM anions [Zr2(μ2-OH)2(α-SiW11O(39))2]^10- linked by Cs+cations. In addition, catalytic tests indicate that 1 provides a sufficient driving force for the conversion from thioethers to sulfoxides/sulfones by H2O2.
基金This work was supported by the NNSFC (No. 20271036), the NSF of Jiangsu Province (No. BK2004205) and the State Key Laboratory of Structural Chemistry (030066)
文摘Reaction of [Et4N]2[Mo2S2(μ-S)2(edt)2] with CoCl2?6H2O and Phen in MeCN followed by recrystallization in DMSO/Et2O gave rise to dark-red block crystals of {[Co(Phen)3]- [Mo2S2(μ-S)2(edt)2]}2?(DMSO)2?(Et2O) 1 (C88H86Co2Mo4N12O3S18). 1 crystallizes in the monoclinic system, space group P21/c with a = 24.631(4), b = 16.117(3), c = 24.791(4) ?, β = 92.835o, V = 9829.3(3) ?3, Z = 4, Mr = 2438.57, Dc = 1.648 g/cm3, F(000) = 4928, μ = 12.61 cm-1, R = 0.0936 and wR = 0.1682 for 12998 observed reflections with I > 2.0σ(I). In the structure of 1, the Co atom of the [Co(Phen)3]2+ dication is octahedrally coordinated by three Phen ligands. The Mo atom of the [Mo2S2(μ-S)2(edt)2]2- dianion is coordinated by two μ-S, one terminal S and two S atoms from edt, forming a distorted square pyramidal geometry. The mean Co–N and Mo…Mo bond distances are 2.139 and 2.872 ?, respectively.
基金supported by Suzhou University(XQ109020 and Q4109927)
文摘The reactions of [PPh4][(h5-C5Me5)WS3] with four equiv of CuBr in DMF gave rise to a new cluster salt [Cu(DMF)6][(h5-C5Me5)WS3(CuBr)3]2稥t2O 1. The crystal structure of 1 (C42H76N6O7Br6Cu7S6W2, Mr = 2261.40) was determined by single-crystal X-ray diffraction analysis. The crystal belongs to orthorhombic, space group Pbcm with a = 9.419(1), b = 28.237(1), c = 16.488(3) ? V = 7054.6(8) 3, Z = 4, Dc = 2.129 g/cm3, F(000) = 4332, m (Mo Ka) = 89.46 cm-1 and T = 193 K. With the use of 5746 observed reflections (I > 3.0s(I)), the structure was refined to R = 0.045 and Rw = 0.060. 1 is composed of one [(h5-C5Me5)WS3(CuBr)3]22- dianion, one [Cu(DMF)6]2+ cation and one Et2O solvent molecule. The cluster dianion contains two incomplete-cubane (h5-C5Me5)WS3(CuBr)3 fragments connected by a pair of CuBrCu bridges to form a double incomplete-cubane structure. The range of WCu distance is 2.657(1)~2.677(2) ?in the W2Cu6S6 cluster core.
基金The"Groupement Franco-Ukrainien en Chimie Moléculaire"(GDRI)and the Embassy of France in Kyiv are gratefully acknowledged for financial support
文摘7-(Diethylamino)-3-(4-aminophenyl)coumarin has been synthesized in a new one-pot synthesis by a three-step process starting from 4-(diethylamino)salicylaldehyde and 4-nitrophenylacetonitrile. The product was obtained in a good yield with a high degree of purity and characterized by NMR, IR and HR-MS. The orange crystals of the title compound were grown from ethyl acetate solution. The solid state structure was established by X-ray crystallography analysis. The crystal belongs to the orthorombic system, space group Pccn with a = 11.1095(5), b = 33.0187(15), c = 17.2865(7) A, V= 6341.1(5) A3, C19H20N2O2, Mr = 308.37, ρcalc = 1.292 g·cm^-3, = 0.085 mm^-1, F(000) = 2624, the final R = 0.0480 and wR = 0.1265 (I〉 2σ(I)).