Tris (2, 2′-bipyridine) ruthenium (Ⅱ) (Ru(bpy)3^2+) dichloride was successfully immobilized into the galleria of layered gamma zirconium phosphate (γ-ZrP) preintercalated by butyl amine(BA). The compou...Tris (2, 2′-bipyridine) ruthenium (Ⅱ) (Ru(bpy)3^2+) dichloride was successfully immobilized into the galleria of layered gamma zirconium phosphate (γ-ZrP) preintercalated by butyl amine(BA). The compounds showed extended luminescence lifetime of about four times of unimmobilized metal complex.展开更多
The title complex [Cu(HTren)Cl2]ClO4·H2O (Tren = tris(2-aminoethyl)amine) was synthesized by the reaction of Cu(ClO4)2·6H2O with Tren.3HCl in water and methyl alcohol. The crystal (CuC6H21Cl3N4O5) ...The title complex [Cu(HTren)Cl2]ClO4·H2O (Tren = tris(2-aminoethyl)amine) was synthesized by the reaction of Cu(ClO4)2·6H2O with Tren.3HCl in water and methyl alcohol. The crystal (CuC6H21Cl3N4O5) is of triclinic, space group P1, with a = 8.2689(2), b = 8.4503(3), c = 11.6801(4) A, α= 96.9350(10), β= 108.2440(10), y = 90.7550(10)°, V= 768.32(4)A^3, Z = 2, Mr= 399.16, D,.= 1.725 g/cm^3,μ= 1.962 mm^-1, F(000) = 410, T= 293(2) K, the final R = 0.0479 and wR = 0.1339 for 2659 observed reflections with I 〉 2σ(I). X-ray single-crystal structure analysis reveals that the copper(Ⅱ) atom adopts a slightly distorted square-pyramidal geometry. The distances between Cu and N atoms (N(1), N(2), N(3)) range from 1.975(4) to 2.116(3)A,. The bond lengths of Cu-Cl(1) and Cu-Cl(2) are 2.309(10) and 2.591(10) A, respectively. The whole crystal presents a three-dimensional network structure by hydrogen bonds.展开更多
The crystal structures of fluoride and chloride complexes of tris[(2-benzimidazolyl)methyl]amine 1 were characterized by X-ray crystallography. 1 adopts (73 symmetrical geometry and cone-like conformation so as to ...The crystal structures of fluoride and chloride complexes of tris[(2-benzimidazolyl)methyl]amine 1 were characterized by X-ray crystallography. 1 adopts (73 symmetrical geometry and cone-like conformation so as to allow its three NHs to associate with the anions through hydrogen bonds. Despite the different sizes of the anions, the two crystals are unexpectedly isostructural. The binding ability of the anions of 1 in solution was also studied by using of UV-vis spectroscopy.展开更多
The tris[(2-methyl-2-phenyl)propyl](2,4-dinitro-phenolato)tin was synthesized by the reaction of bis[tri(2-methyl-2-phenyl)propyltin] oxide with 2,4-dinitrophenol. The compound was characterized by IR, 1H NMR sp...The tris[(2-methyl-2-phenyl)propyl](2,4-dinitro-phenolato)tin was synthesized by the reaction of bis[tri(2-methyl-2-phenyl)propyltin] oxide with 2,4-dinitrophenol. The compound was characterized by IR, 1H NMR spectra and elemental analysis. The crystal structure has been determined by X-ray diffraction. The crystal belongs to the monoclinic system, space group P21/n with a = 0.9649(0), b = 1.0087(8), c = 3.4867(4) nm, β = 90.965(7) , Z = 4, V = 3.3933(7) nm3, Dc = 1.369 Mg·m-3, (MoKa) = 0.796 mm-1, F(000) = 1440, R = 0.0345 and wR = 0.0821. The tin atom has a distorted tetrahedral geometry. The 2D network structure of the complex is formed by hydrogen bonds and π-π effects. The stabilities, orbital energies and composition characteristics of some frontier molecular orbitals of the complexes have been investigated with the aid of G98W software.展开更多
In this study,a series of polyetherimide/SBA-15: 2-D hexagonal P6 mm,Santa Barbara USA(PEI/SBA-15) adsorbents modified by phosphoric ester based surfactants(including tri(2-ethylhexyl)phosphate(TEP),bis(2-eth...In this study,a series of polyetherimide/SBA-15: 2-D hexagonal P6 mm,Santa Barbara USA(PEI/SBA-15) adsorbents modified by phosphoric ester based surfactants(including tri(2-ethylhexyl)phosphate(TEP),bis(2-ethylhexyl) phosphate(BEP) and trimethyl phosphonoacetate(TMPA))were prepared for CO2 adsorption.Experimental results indicated that the addition of TEP and BEP had positive effects on CO2 adsorption capacity over PEI/SBA-15.In particular,the CO2 adsorption amount could be improved by around 20% for 45PEI-5TEP/SBA-15 compared to the additive-free adsorbent.This could be attributed to the decrease of CO2 diffusion resistance in the PEI bulk network due to the interactions between TEP and loaded PEI molecules,which was further confirmed by adsorption kinetics results.In addition,it was also found that the cyclic performance of the TEP-modified adsorbent was better than the surfactant-free one.This could be due to two main reasons,based on the results of in situ DRIFT and TG-DSC tests.First and more importantly,adsorbed CO2 species could be desorbed more rapidly over TEP-modified adsorbent during the thermal desorption process.Furthermore,the enhanced thermal stability after TEP addition ensured lower degradation of amine groups during adsorption/desorption cycles.展开更多
基金This work was supported by the National Science Foundation of China(Nos.20475004,and 20271004).
文摘Tris (2, 2′-bipyridine) ruthenium (Ⅱ) (Ru(bpy)3^2+) dichloride was successfully immobilized into the galleria of layered gamma zirconium phosphate (γ-ZrP) preintercalated by butyl amine(BA). The compounds showed extended luminescence lifetime of about four times of unimmobilized metal complex.
基金The project was supported by the Education Foundation of Jiangsu Province (03KJD150212)
文摘The title complex [Cu(HTren)Cl2]ClO4·H2O (Tren = tris(2-aminoethyl)amine) was synthesized by the reaction of Cu(ClO4)2·6H2O with Tren.3HCl in water and methyl alcohol. The crystal (CuC6H21Cl3N4O5) is of triclinic, space group P1, with a = 8.2689(2), b = 8.4503(3), c = 11.6801(4) A, α= 96.9350(10), β= 108.2440(10), y = 90.7550(10)°, V= 768.32(4)A^3, Z = 2, Mr= 399.16, D,.= 1.725 g/cm^3,μ= 1.962 mm^-1, F(000) = 410, T= 293(2) K, the final R = 0.0479 and wR = 0.1339 for 2659 observed reflections with I 〉 2σ(I). X-ray single-crystal structure analysis reveals that the copper(Ⅱ) atom adopts a slightly distorted square-pyramidal geometry. The distances between Cu and N atoms (N(1), N(2), N(3)) range from 1.975(4) to 2.116(3)A,. The bond lengths of Cu-Cl(1) and Cu-Cl(2) are 2.309(10) and 2.591(10) A, respectively. The whole crystal presents a three-dimensional network structure by hydrogen bonds.
基金the National Natural Science Foundation of China (No. 20702038)the University Science Foundation of Tianjin Education Committee (20050609)Tianjin Normal University
文摘The crystal structures of fluoride and chloride complexes of tris[(2-benzimidazolyl)methyl]amine 1 were characterized by X-ray crystallography. 1 adopts (73 symmetrical geometry and cone-like conformation so as to allow its three NHs to associate with the anions through hydrogen bonds. Despite the different sizes of the anions, the two crystals are unexpectedly isostructural. The binding ability of the anions of 1 in solution was also studied by using of UV-vis spectroscopy.
基金the Natural Science Foundation of Hunan Province (No. 11JJ3021)the Innovation Platform Open fund of Hunan Provincial Education Department (No.09K099 and No. 10K010) and a key project (No. 10A014)+3 种基金the Hunan Provincial Scientific Program (No.2010JT4041)the open fund of the Key Laboratory of Functional Organometallic Materials of Colleges of Hunan Province (No.10K02)Hengyang Municipal Scientific Program (2011KG56)the Youth Program of Hengyang Normal University (No. 11A28)
文摘The tris[(2-methyl-2-phenyl)propyl](2,4-dinitro-phenolato)tin was synthesized by the reaction of bis[tri(2-methyl-2-phenyl)propyltin] oxide with 2,4-dinitrophenol. The compound was characterized by IR, 1H NMR spectra and elemental analysis. The crystal structure has been determined by X-ray diffraction. The crystal belongs to the monoclinic system, space group P21/n with a = 0.9649(0), b = 1.0087(8), c = 3.4867(4) nm, β = 90.965(7) , Z = 4, V = 3.3933(7) nm3, Dc = 1.369 Mg·m-3, (MoKa) = 0.796 mm-1, F(000) = 1440, R = 0.0345 and wR = 0.0821. The tin atom has a distorted tetrahedral geometry. The 2D network structure of the complex is formed by hydrogen bonds and π-π effects. The stabilities, orbital energies and composition characteristics of some frontier molecular orbitals of the complexes have been investigated with the aid of G98W software.
基金financially supported by the "151" Talent Project of Zhejiang Province (2013)the Key Project of Zhejiang Provincial Science and Technology Program (No.2012C03003-4)the Program for Zhejiang Leading Team of S&T Innovation (No.2013TD07)
文摘In this study,a series of polyetherimide/SBA-15: 2-D hexagonal P6 mm,Santa Barbara USA(PEI/SBA-15) adsorbents modified by phosphoric ester based surfactants(including tri(2-ethylhexyl)phosphate(TEP),bis(2-ethylhexyl) phosphate(BEP) and trimethyl phosphonoacetate(TMPA))were prepared for CO2 adsorption.Experimental results indicated that the addition of TEP and BEP had positive effects on CO2 adsorption capacity over PEI/SBA-15.In particular,the CO2 adsorption amount could be improved by around 20% for 45PEI-5TEP/SBA-15 compared to the additive-free adsorbent.This could be attributed to the decrease of CO2 diffusion resistance in the PEI bulk network due to the interactions between TEP and loaded PEI molecules,which was further confirmed by adsorption kinetics results.In addition,it was also found that the cyclic performance of the TEP-modified adsorbent was better than the surfactant-free one.This could be due to two main reasons,based on the results of in situ DRIFT and TG-DSC tests.First and more importantly,adsorbed CO2 species could be desorbed more rapidly over TEP-modified adsorbent during the thermal desorption process.Furthermore,the enhanced thermal stability after TEP addition ensured lower degradation of amine groups during adsorption/desorption cycles.