A new cucurbit[6]uril bridsed binuclear complex {[Gd（H2O）6]2[Q6（H2O）]}C16·4H2O, where Q6 represents cucurbit[6]uril, has been synthesized and characterized by X-ray diffraction. The crystal structure shows th...A new cucurbit[6]uril bridsed binuclear complex {[Gd（H2O）6]2[Q6（H2O）]}C16·4H2O, where Q6 represents cucurbit[6]uril, has been synthesized and characterized by X-ray diffraction. The crystal structure shows that the complex has an extended cucurbit[6]uril-bridged structure consisting of two gadolinium（Ⅲ） ions, in which each gadolinium（Ⅲ） ion is coordinated with two neighboring carbonylic oxygen atoms of Q6 and six oxygen atoms of water molecules that leans toward one side of the portal. One disordered guest water molecule resides in the Q6 molecule cavity and occupies two different positions. Hydrogen bonds assemble the complcx to threedimensional supramolecular structure.展开更多
The title complex, [Mn2L2(EtOH)2 (bipy )](ClO4)2 (L=N,N'-ethylenebis (1-phenyl-3-imino-1-butanonato), bipy = 4, 4'-bipyridine] crystallizes inmonoclinic system, space group P21/c with a= 12. 63O(5), b=13- 151 ...The title complex, [Mn2L2(EtOH)2 (bipy )](ClO4)2 (L=N,N'-ethylenebis (1-phenyl-3-imino-1-butanonato), bipy = 4, 4'-bipyridine] crystallizes inmonoclinic system, space group P21/c with a= 12. 63O(5), b=13- 151 (2), c=18. 3773001 reflections The two [MnL(EtOH)]+ units are joined by one 4, 4'-bipyridine molecule to form a centrosymmetric binuclear complex cation [Mn2L2(EtOH)2 (bipy]2+. The coordination geometry around Mn atoms is a distorted octahe-dron with equatorial plane N2O2 from the Schiff base ligand L.展开更多
A novel dimer of the bismuth(Ⅲ) complex with dithiotetrahydropyrrolocarbamate, [Bi(S_2CNC_4H_8)_2·(NO_3)]_2, was synthesized and the crystal structure was determined by X-ray single crystal diffraction. The crys...A novel dimer of the bismuth(Ⅲ) complex with dithiotetrahydropyrrolocarbamate, [Bi(S_2CNC_4H_8)_2·(NO_3)]_2, was synthesized and the crystal structure was determined by X-ray single crystal diffraction. The crystal belongs to a monoclinic system with space group P2_1/n, a=0.64718(13) nm, b=2.6738(6) nm, c=1.0423(2) nm, β=106.384(3)°, Z=4, V=1.730(3) nm^3, D_c=2.163 g/cm^3, μ=10.682 mm^(-1), F(000)=1072, R=0.0329, wR=0.0659. The structure shows a distorted pentagonal bipyramidal configuration with the seven-coordinated central Bi atom. In the crystal, the molecular packing in the unit cell reveals that the two adjacent molecules are symmetrically linked each other in the dimer by virtue of a couple of Bi-S interaction.展开更多
The syntheses, spec(?) complexes are of significance for understanding mechanisms of magnetic interaction between metal ions and the exploitation of the synthesis of molecular magnetic materials. There were a few work...The syntheses, spec(?) complexes are of significance for understanding mechanisms of magnetic interaction between metal ions and the exploitation of the synthesis of molecular magnetic materials. There were a few works reported previously on the syntheses and magnetic in-展开更多
A bismuth（Ⅲ） complex 1 （H2-4,4＇-bipy）[Bi（HPPA）5]（H2PPA）.4H2O （H2PPA = p- hydroxy- phenylacetic acid, 4,4＇-bipy = 4,4＂-bipyridyl） was hydrothermally synthesized from p-hydroxy-phenylacetic acid （H2PPA）,...A bismuth（Ⅲ） complex 1 （H2-4,4＇-bipy）[Bi（HPPA）5]（H2PPA）.4H2O （H2PPA = p- hydroxy- phenylacetic acid, 4,4＇-bipy = 4,4＂-bipyridyl） was hydrothermally synthesized from p-hydroxy-phenylacetic acid （H2PPA）, Bi（NO3）3＂6H20 and 4,4＇-bipyridyl, and characterized by elemental analysis, IR, molar conductivity and TG. The single-crystal X-ray diffraction studies demonstrated that the complex is of monoclinic system, space group P21 with a = 10.928（7）, b = 22.558（7）, c = 11.313（7） A, β = 91.864（4）°, V = 2787.7（4） A3, Z = 2, C58H61BiN2O22, Mr = 1347.07, F（000） = 1364, Dc= 1.605 g/cm-3, p（MoKa） = 3.247 mm-1, the final R = 0.0269 and wR = 0.0540 for 9776 observed reflections with I 〉 2or（I）. The bismuth（I/I） is seven-coordinated with O atoms, forming a monocapped octahedral geometry. Complex 1 further forms a 3D supramolecular architecture by hydrogen bonds and π-π stacking interactions. Moreover, the interaction between the complex and DNA was studied by EtBr fluoescent probe.展开更多
The crystal and molecular structures of the Na[Eu Ⅲ (edta) ( H2 O) 3] · 4H2O ( edta = ethylenediaminetetraacetic acid) and Na4[Eu2Ⅲ (Httha)2] · 10H2 O ( ttha = triethylenetetraminehexaacetic acid) complexe...The crystal and molecular structures of the Na[Eu Ⅲ (edta) ( H2 O) 3] · 4H2O ( edta = ethylenediaminetetraacetic acid) and Na4[Eu2Ⅲ (Httha)2] · 10H2 O ( ttha = triethylenetetraminehexaacetic acid) complexes were determined by single-crystal X-ray structure analyses.The crystal of Na[ EuⅢ (edta) (H2O)3] · 4H2O belongs to orthorhombic crystal system and Fdd2 space group.The crystal data are as follows: a = 1.9415 (15)nm, b = 3.544(3 )nm, c = 1.203(9)nm, V = 8.327(5)nm3, Z = 16, M = 589.27, Dc= 1.880 g· cm-3, μ= 3.108mm-1 and F(000) = 4704.The final R and wR values are 0.0312 and 0.0750 for 2091[I ＞ 2.0σ (I)] reflections, and 0.0344and 0.0766 for all 3932 unique reflections, respectively.The[EuⅢ (edta) (H2O) 3] - anion has a nine-coordinate pseudo-monocapped square antiprismatic structure in which the nine coordinate atoms, two N and seven O, are from one edta ligand and three water molecules.The crystal of Na4[Eu2Ⅲ (Httha)2] · 10H2O belongs to orthorhombic system and Pccn space group.The crystal data are as follows: a = 2.610(3)nm, b = 2.089(3)nm, c = 2.239(3)nm, V =12.208 ( 28 ) nm3, Z = 8, M = 1548.92, Dc= 1.686g·cm-3,μ = 2.115 mm-1andF(000) = 6272.Thefinal R and wR are 0.0625 and 0.1091 for 9834[I ＞ 2.0σ(I)] reflections, and 0.1608 and 0.1471 for all 37818 unique reflections, respectively.The whole complex molecule is composed of two close parts in which each one has a nine-coordinate structure with distorted monocapped square antiprismatic prism.The ttha ligand in the[Eu2Ⅲ (Httha)2] 4- anion coordinates to one Eu Ⅲ ion with three N atoms and four O atoms and to the other Eu Ⅲ ion with two O atoms.展开更多
The polargraphic behavior of Bi(Ⅲ)-NOTP complex has been investigated inaqueous solution. It was found that under the conditions of pH 3.0 and of 0.02 mol/L NH_4Cl, theBi(Ⅲ)-NOTP system gives a sensitive second orde...The polargraphic behavior of Bi(Ⅲ)-NOTP complex has been investigated inaqueous solution. It was found that under the conditions of pH 3.0 and of 0.02 mol/L NH_4Cl, theBi(Ⅲ)-NOTP system gives a sensitive second order derivative wave at -0.340 V(vs SCE), which isproved to be an adsorptive complex wave. The composition of the complex is Bi(Ⅲ):NOTP. Furthermore,the peak current is linear to the concentration of Bi(Ⅲ) in the range from 3.0x10^(-8) to5.0x10^(-6) mol/L. Artificial and practical samples have been detected with high sensitivity andreceptivity.展开更多
The novel bismuth?complex with dithiotetrahydropyrrolocarbamate, [Bi(S2CNC4H8 )3]2 has been synthesized. The crystal structure has been determined by X-ray s ingle crystal diffraction. The crystal belongs to monoclini...The novel bismuth?complex with dithiotetrahydropyrrolocarbamate, [Bi(S2CNC4H8 )3]2 has been synthesized. The crystal structure has been determined by X-ray s ingle crystal diffraction. The crystal belongs to monoclinic with space group C2 /c, a=1.6356(9) nm, b=1.1875(6) nm, c=2.3954(13) nm, β=100.741(8)°, Z=4, V=4.5 71(4) nm3, Dx=1.882g·cm-3,μ=8.267mm-1, F(000)=2512, R=0.0404, wR=0.0622. In this binuclear complex, each Bi?is seven coordinate with a distorted pentagonal bipyramidal geometry. CCDC: 179924.展开更多
A new Bismuth(Ⅲ)-Lanthanum(Ⅲ) heterobimetallic polymer complex,{[(H2O)5La(μ4-edta)Bi(NO3)2]·3H2O}n(edta=diaminetetraacecarboxylate),has been hydrothermally synthesized and characterized by elemental analysis,F...A new Bismuth(Ⅲ)-Lanthanum(Ⅲ) heterobimetallic polymer complex,{[(H2O)5La(μ4-edta)Bi(NO3)2]·3H2O}n(edta=diaminetetraacecarboxylate),has been hydrothermally synthesized and characterized by elemental analysis,FT-IR,and X-ray diffraction single crystal structure analysis.It crystallizes in the monoclinic system,with space group P2(1)/n,a=1.27395(5)nm,b=0.82608(4) nm,c=2.38819(11) nm,β=104.9000(10)°,V=2.42879(19) nm3,Z=4,Dc=2.438 g·cm-3,μ=9.077mm-1,F(000)=1678,R1=0.0343,wR2=0.0906.In this complex,Bi atom is coordinated by four carboxyl O atoms from a single edta4-anion.La atom is bonded to four O atoms from four bridging carboxyl O atoms belonging to four different edta4-anions and five O atoms from five H2O molecules.Bi atoms and La atoms are linked by bridged edta4-anions,resulting into a novel infinite 3D network structure.TG-DSC and IR indicate that thermal decomposition proceeds in several stages,dehydration,pyrolysis of ligand,and finally decomposition of salt,and the residue is composite oxide based on δ-Bi2O3 at the temperature of 600℃.展开更多
基金supported by the National Natural Science Foundation of China(No.20471056)
文摘A new cucurbit[6]uril bridsed binuclear complex {[Gd（H2O）6]2[Q6（H2O）]}C16·4H2O, where Q6 represents cucurbit[6]uril, has been synthesized and characterized by X-ray diffraction. The crystal structure shows that the complex has an extended cucurbit[6]uril-bridged structure consisting of two gadolinium（Ⅲ） ions, in which each gadolinium（Ⅲ） ion is coordinated with two neighboring carbonylic oxygen atoms of Q6 and six oxygen atoms of water molecules that leans toward one side of the portal. One disordered guest water molecule resides in the Q6 molecule cavity and occupies two different positions. Hydrogen bonds assemble the complcx to threedimensional supramolecular structure.
文摘The title complex, [Mn2L2(EtOH)2 (bipy )](ClO4)2 (L=N,N'-ethylenebis (1-phenyl-3-imino-1-butanonato), bipy = 4, 4'-bipyridine] crystallizes inmonoclinic system, space group P21/c with a= 12. 63O(5), b=13- 151 (2), c=18. 3773001 reflections The two [MnL(EtOH)]+ units are joined by one 4, 4'-bipyridine molecule to form a centrosymmetric binuclear complex cation [Mn2L2(EtOH)2 (bipy]2+. The coordination geometry around Mn atoms is a distorted octahe-dron with equatorial plane N2O2 from the Schiff base ligand L.
基金Supported by the Natural Science Foundation of Shandong Province(No.L2 0 0 3B0 1) and the State Key L aboratory ofCrystal MaterialsShandong Universit
文摘A novel dimer of the bismuth(Ⅲ) complex with dithiotetrahydropyrrolocarbamate, [Bi(S_2CNC_4H_8)_2·(NO_3)]_2, was synthesized and the crystal structure was determined by X-ray single crystal diffraction. The crystal belongs to a monoclinic system with space group P2_1/n, a=0.64718(13) nm, b=2.6738(6) nm, c=1.0423(2) nm, β=106.384(3)°, Z=4, V=1.730(3) nm^3, D_c=2.163 g/cm^3, μ=10.682 mm^(-1), F(000)=1072, R=0.0329, wR=0.0659. The structure shows a distorted pentagonal bipyramidal configuration with the seven-coordinated central Bi atom. In the crystal, the molecular packing in the unit cell reveals that the two adjacent molecules are symmetrically linked each other in the dimer by virtue of a couple of Bi-S interaction.
基金Supported by the National Natural Science Foundation of China
文摘The syntheses, spec(?) complexes are of significance for understanding mechanisms of magnetic interaction between metal ions and the exploitation of the synthesis of molecular magnetic materials. There were a few works reported previously on the syntheses and magnetic in-
基金supported by the Natural Science Foundation of Zhejiang Province(LY12B01003)
文摘A bismuth（Ⅲ） complex 1 （H2-4,4＇-bipy）[Bi（HPPA）5]（H2PPA）.4H2O （H2PPA = p- hydroxy- phenylacetic acid, 4,4＇-bipy = 4,4＂-bipyridyl） was hydrothermally synthesized from p-hydroxy-phenylacetic acid （H2PPA）, Bi（NO3）3＂6H20 and 4,4＇-bipyridyl, and characterized by elemental analysis, IR, molar conductivity and TG. The single-crystal X-ray diffraction studies demonstrated that the complex is of monoclinic system, space group P21 with a = 10.928（7）, b = 22.558（7）, c = 11.313（7） A, β = 91.864（4）°, V = 2787.7（4） A3, Z = 2, C58H61BiN2O22, Mr = 1347.07, F（000） = 1364, Dc= 1.605 g/cm-3, p（MoKa） = 3.247 mm-1, the final R = 0.0269 and wR = 0.0540 for 9776 observed reflections with I 〉 2or（I）. The bismuth（I/I） is seven-coordinated with O atoms, forming a monocapped octahedral geometry. Complex 1 further forms a 3D supramolecular architecture by hydrogen bonds and π-π stacking interactions. Moreover, the interaction between the complex and DNA was studied by EtBr fluoescent probe.
基金Project supported by the National Natural Science Foundation of China (20371023)
文摘The crystal and molecular structures of the Na[Eu Ⅲ (edta) ( H2 O) 3] · 4H2O ( edta = ethylenediaminetetraacetic acid) and Na4[Eu2Ⅲ (Httha)2] · 10H2 O ( ttha = triethylenetetraminehexaacetic acid) complexes were determined by single-crystal X-ray structure analyses.The crystal of Na[ EuⅢ (edta) (H2O)3] · 4H2O belongs to orthorhombic crystal system and Fdd2 space group.The crystal data are as follows: a = 1.9415 (15)nm, b = 3.544(3 )nm, c = 1.203(9)nm, V = 8.327(5)nm3, Z = 16, M = 589.27, Dc= 1.880 g· cm-3, μ= 3.108mm-1 and F(000) = 4704.The final R and wR values are 0.0312 and 0.0750 for 2091[I ＞ 2.0σ (I)] reflections, and 0.0344and 0.0766 for all 3932 unique reflections, respectively.The[EuⅢ (edta) (H2O) 3] - anion has a nine-coordinate pseudo-monocapped square antiprismatic structure in which the nine coordinate atoms, two N and seven O, are from one edta ligand and three water molecules.The crystal of Na4[Eu2Ⅲ (Httha)2] · 10H2O belongs to orthorhombic system and Pccn space group.The crystal data are as follows: a = 2.610(3)nm, b = 2.089(3)nm, c = 2.239(3)nm, V =12.208 ( 28 ) nm3, Z = 8, M = 1548.92, Dc= 1.686g·cm-3,μ = 2.115 mm-1andF(000) = 6272.Thefinal R and wR are 0.0625 and 0.1091 for 9834[I ＞ 2.0σ(I)] reflections, and 0.1608 and 0.1471 for all 37818 unique reflections, respectively.The whole complex molecule is composed of two close parts in which each one has a nine-coordinate structure with distorted monocapped square antiprismatic prism.The ttha ligand in the[Eu2Ⅲ (Httha)2] 4- anion coordinates to one Eu Ⅲ ion with three N atoms and four O atoms and to the other Eu Ⅲ ion with two O atoms.
基金This project is financially supported by the National Natural Science Foundation of China (No.29575207) KJCXGC-01 of Northwest Normal University
文摘The polargraphic behavior of Bi(Ⅲ)-NOTP complex has been investigated inaqueous solution. It was found that under the conditions of pH 3.0 and of 0.02 mol/L NH_4Cl, theBi(Ⅲ)-NOTP system gives a sensitive second order derivative wave at -0.340 V(vs SCE), which isproved to be an adsorptive complex wave. The composition of the complex is Bi(Ⅲ):NOTP. Furthermore,the peak current is linear to the concentration of Bi(Ⅲ) in the range from 3.0x10^(-8) to5.0x10^(-6) mol/L. Artificial and practical samples have been detected with high sensitivity andreceptivity.
文摘The novel bismuth?complex with dithiotetrahydropyrrolocarbamate, [Bi(S2CNC4H8 )3]2 has been synthesized. The crystal structure has been determined by X-ray s ingle crystal diffraction. The crystal belongs to monoclinic with space group C2 /c, a=1.6356(9) nm, b=1.1875(6) nm, c=2.3954(13) nm, β=100.741(8)°, Z=4, V=4.5 71(4) nm3, Dx=1.882g·cm-3,μ=8.267mm-1, F(000)=2512, R=0.0404, wR=0.0622. In this binuclear complex, each Bi?is seven coordinate with a distorted pentagonal bipyramidal geometry. CCDC: 179924.
文摘A new Bismuth(Ⅲ)-Lanthanum(Ⅲ) heterobimetallic polymer complex,{[(H2O)5La(μ4-edta)Bi(NO3)2]·3H2O}n(edta=diaminetetraacecarboxylate),has been hydrothermally synthesized and characterized by elemental analysis,FT-IR,and X-ray diffraction single crystal structure analysis.It crystallizes in the monoclinic system,with space group P2(1)/n,a=1.27395(5)nm,b=0.82608(4) nm,c=2.38819(11) nm,β=104.9000(10)°,V=2.42879(19) nm3,Z=4,Dc=2.438 g·cm-3,μ=9.077mm-1,F(000)=1678,R1=0.0343,wR2=0.0906.In this complex,Bi atom is coordinated by four carboxyl O atoms from a single edta4-anion.La atom is bonded to four O atoms from four bridging carboxyl O atoms belonging to four different edta4-anions and five O atoms from five H2O molecules.Bi atoms and La atoms are linked by bridged edta4-anions,resulting into a novel infinite 3D network structure.TG-DSC and IR indicate that thermal decomposition proceeds in several stages,dehydration,pyrolysis of ligand,and finally decomposition of salt,and the residue is composite oxide based on δ-Bi2O3 at the temperature of 600℃.
