A new bis（imidazolium） compound,[H2L（H2btec）2]·H4btec（1,L=1,1＇-（butane-1,4-diyl）bis（imidazole）,H4btec=1,2,4,5-benzenetetracarboxylatic acid）,has been synthesized and structurally characterized by singl...A new bis（imidazolium） compound,[H2L（H2btec）2]·H4btec（1,L=1,1＇-（butane-1,4-diyl）bis（imidazole）,H4btec=1,2,4,5-benzenetetracarboxylatic acid）,has been synthesized and structurally characterized by single-crystal X-ray diffraction.The title compound crystallizes in the monoclinic system,space group Pnma,with a=13.3908（11）,b=13.9249（12）,c=16.2166（14）,V=2957.6（4）3,Z=4,Mr=698.55,Dc=1.569 mg/m3,F（000）=1448,μ（MoKα）=0.130 mm-1,the final R=0.0584 and wR=0.1538 for 4295 observed reflections with I2σ（I）.The compound consists of one 1,1＇-（butane-1,4-diyl）bis（imidazolium） cation,one neutral H4btec and one H2btec2-（Only two para carboxyl groups are deprotonated,and two protonated ones remain free） anion.A one-dimensional hydrogen bonding chain and a 2D hydrogen bonding network are formed via intermolecular N–H…O and O–H…O hydrogen bonds.These adjacent chains are further stacked through intermolecular π-π and hydrogen bonding interactions to form a 3D supramolecular network.展开更多
A new compound [CoⅢ(aea)(2,2′-bipy)]Cl·H2O (aea=N-(2-aminoethyl)asp artate, 2,2′-bipy=2,2′-bipyridine) was hydrothermally synthesized and structur ally characterized, which contains a new quadridentate ligand...A new compound [CoⅢ(aea)(2,2′-bipy)]Cl·H2O (aea=N-(2-aminoethyl)asp artate, 2,2′-bipy=2,2′-bipyridine) was hydrothermally synthesized and structur ally characterized, which contains a new quadridentate ligand (aea) came from ma lic acid and ethylenediamine via in-situ reaction. The asymmetric molecules are interconnected through N-H...O hydrogen bond to form helical chains that are fur ther hold together into a two-dimensional network via the N-H...Cl hydrogen bond . The formation of aea can be considered as the substitution of hydroxyl group i n malate by ethylenediamino group, which presents a type of new in-situ ligand r eaction. CCDC: 222018.展开更多
Two new coordination polymers,[Co（BYBA）2（4,4＇-bpy）（H2O）2]·H2O （1） and [Zn（BYBA）2（4,4＇-bpy）] （2） （4,4＇-bpy=4,4＇-bipyridine,BYBAH= 2-benzoylbenzoic acid）,have been synthesized by hydrothermal co...Two new coordination polymers,[Co（BYBA）2（4,4＇-bpy）（H2O）2]·H2O （1） and [Zn（BYBA）2（4,4＇-bpy）] （2） （4,4＇-bpy=4,4＇-bipyridine,BYBAH= 2-benzoylbenzoic acid）,have been synthesized by hydrothermal conditions and characterized by single-crystal X-ray diffraction,elemental analyses,IR spectra and fluorescence spectrum.Crystal data for 1：C38H32CoN2O9,Mr= 719.59,monoclinic,space group P2/c,a=22.981（2）,b=11.4438（11）,c=12.9327（12）,β=94.642（1）°,V=3390.0（5）3,Z=4,Dc=1.410 g/cm3,F（000）=1492,R=0.0488 and wR=0.1201;and those for 2：C38H26ZnN2O6,Mr=672.00,triclinic,space group P1,a=8.7032（10）,b=11.4882（13）,c=16.872（2）,α=107.146（1）,β=99.055（1）,γ=90.851（2）°,V=1588.5（3）3,Z= 2,Dc=1.405 g/cm3,F（000）=692,R=0.0409 and wR=0.0894.Complex 1 exhibits 1D polymeric chains which are linked into a 2D sheet by π···π interactions.Complex 2 is composed by 1D zigzag chains connected through C-H···π stacking interactions to generate a 2D layer.展开更多
A novel metal-organic coordination polymer {[Co2（4-sphth）2（4,4＇-bpyh（H2O）4]- [Co（4,4＇-bpy）2（H2O）4]}, （4-sphth = 4-sulfophthalic acid, 4,4＇-bpy = 4,4＇-bipyridine） 1 has been hydrothermally synthesized an...A novel metal-organic coordination polymer {[Co2（4-sphth）2（4,4＇-bpyh（H2O）4]- [Co（4,4＇-bpy）2（H2O）4]}, （4-sphth = 4-sulfophthalic acid, 4,4＇-bpy = 4,4＇-bipyridine） 1 has been hydrothermally synthesized and structurally characterized by single-crystal X-ray diffraction, elemental analyses, IR spectroscopy, and magnetic susceptibility measurements. The complex crystallizes in monoclinic, space group C2/c with a = 18.893（6）, b = 23.080（7）, c = 22.473（7） A, fl = 107.311 （4）°, V = 9356（5） A^3, C76H70Co3N12O22S2, Mr = 1744.35, De = 1.238 g/cm^3,μ（MoKα） = 0.640 mm^-1, F（000） = 3596, Z = 4, the final R = 0.0444 and wR = 0.0846 for 9178 observed reflections （I 〉 2σ（I））. It exhibits a novel three-dimensional supramolecular network formed by hydrogen-bonding and π-π interactions. Variable-temperature magnetic measure shows an overall anti-ferromagnetic behavior for compound 1.展开更多
A novel compound (NH4)2Y(H2O)8[PMo10V2O40]·10H2O has been prepared in an aqueous solution and characterized by elemental analysis, IR, and TG-DTG analysis. X-ray diffraction analysis was carried out on (NH4)2Y(H2...A novel compound (NH4)2Y(H2O)8[PMo10V2O40]·10H2O has been prepared in an aqueous solution and characterized by elemental analysis, IR, and TG-DTG analysis. X-ray diffraction analysis was carried out on (NH4)2Y(H2O)8 [PMo10V2O40]·10H2O single crystal, which crystallizes in the monoclinic system of a space group P21/C with a=0.9871(3) nm,b=1.5424(5) nm,c=2.7924(9) nm,β=94.183(5)°and Z=2. In the compound, a two-dimensional network is constructed by the PMo10V2O405- anion and the Y(H2O)83+ cation building blocks via hydrogen bonding exhibiting the porous structure.展开更多
A novel coordination polymers [Cu2（ETU）6]SO4（1）（ETU=ethylidene thiourea） was synthesized under solvothermal conditions.The crystal structure of the polymer was determined by X-ray diffraction: trigonal,space gro...A novel coordination polymers [Cu2（ETU）6]SO4（1）（ETU=ethylidene thiourea） was synthesized under solvothermal conditions.The crystal structure of the polymer was determined by X-ray diffraction: trigonal,space group R3c（No.161）,a=1.275 09（8） nm,b=1.275 09（8） nm,c=3.574 7（7） nm,γ=120°,Z=6,CCDC Number: 605501.In the structure of the polymer,each metal ion Cu（Ⅰ） coordinates to three S atoms attached to the ring of ETU forming two triangular pinwheel-shape monovalent cations[Cu2（ETU）6]+, in one of which the counter-ion SO2-4 is located.The ions with contrary charge,[Cu2（ETU）6]+ and SO2-4,are held together via the N—H…O hydrogen-bonded interactions resulting in a three-dimensional supramolecular network.展开更多
基金supported by the Natural Science Foundation of Henan Province (No 092102310075)
文摘A new bis（imidazolium） compound,[H2L（H2btec）2]·H4btec（1,L=1,1＇-（butane-1,4-diyl）bis（imidazole）,H4btec=1,2,4,5-benzenetetracarboxylatic acid）,has been synthesized and structurally characterized by single-crystal X-ray diffraction.The title compound crystallizes in the monoclinic system,space group Pnma,with a=13.3908（11）,b=13.9249（12）,c=16.2166（14）,V=2957.6（4）3,Z=4,Mr=698.55,Dc=1.569 mg/m3,F（000）=1448,μ（MoKα）=0.130 mm-1,the final R=0.0584 and wR=0.1538 for 4295 observed reflections with I2σ（I）.The compound consists of one 1,1＇-（butane-1,4-diyl）bis（imidazolium） cation,one neutral H4btec and one H2btec2-（Only two para carboxyl groups are deprotonated,and two protonated ones remain free） anion.A one-dimensional hydrogen bonding chain and a 2D hydrogen bonding network are formed via intermolecular N–H…O and O–H…O hydrogen bonds.These adjacent chains are further stacked through intermolecular π-π and hydrogen bonding interactions to form a 3D supramolecular network.
文摘A new compound [CoⅢ(aea)(2,2′-bipy)]Cl·H2O (aea=N-(2-aminoethyl)asp artate, 2,2′-bipy=2,2′-bipyridine) was hydrothermally synthesized and structur ally characterized, which contains a new quadridentate ligand (aea) came from ma lic acid and ethylenediamine via in-situ reaction. The asymmetric molecules are interconnected through N-H...O hydrogen bond to form helical chains that are fur ther hold together into a two-dimensional network via the N-H...Cl hydrogen bond . The formation of aea can be considered as the substitution of hydroxyl group i n malate by ethylenediamino group, which presents a type of new in-situ ligand r eaction. CCDC: 222018.
基金supported by the NNSFC (No. 20771023)the State 863 Program Project (No. 2007AA03z218)Analysis and Testing Foundation of Northeast Normal University
文摘Two new coordination polymers,[Co（BYBA）2（4,4＇-bpy）（H2O）2]·H2O （1） and [Zn（BYBA）2（4,4＇-bpy）] （2） （4,4＇-bpy=4,4＇-bipyridine,BYBAH= 2-benzoylbenzoic acid）,have been synthesized by hydrothermal conditions and characterized by single-crystal X-ray diffraction,elemental analyses,IR spectra and fluorescence spectrum.Crystal data for 1：C38H32CoN2O9,Mr= 719.59,monoclinic,space group P2/c,a=22.981（2）,b=11.4438（11）,c=12.9327（12）,β=94.642（1）°,V=3390.0（5）3,Z=4,Dc=1.410 g/cm3,F（000）=1492,R=0.0488 and wR=0.1201;and those for 2：C38H26ZnN2O6,Mr=672.00,triclinic,space group P1,a=8.7032（10）,b=11.4882（13）,c=16.872（2）,α=107.146（1）,β=99.055（1）,γ=90.851（2）°,V=1588.5（3）3,Z= 2,Dc=1.405 g/cm3,F（000）=692,R=0.0409 and wR=0.0894.Complex 1 exhibits 1D polymeric chains which are linked into a 2D sheet by π···π interactions.Complex 2 is composed by 1D zigzag chains connected through C-H···π stacking interactions to generate a 2D layer.
基金The project was supported by the Education Office of Jilin Province (No. 0047)
文摘A novel metal-organic coordination polymer {[Co2（4-sphth）2（4,4＇-bpyh（H2O）4]- [Co（4,4＇-bpy）2（H2O）4]}, （4-sphth = 4-sulfophthalic acid, 4,4＇-bpy = 4,4＇-bipyridine） 1 has been hydrothermally synthesized and structurally characterized by single-crystal X-ray diffraction, elemental analyses, IR spectroscopy, and magnetic susceptibility measurements. The complex crystallizes in monoclinic, space group C2/c with a = 18.893（6）, b = 23.080（7）, c = 22.473（7） A, fl = 107.311 （4）°, V = 9356（5） A^3, C76H70Co3N12O22S2, Mr = 1744.35, De = 1.238 g/cm^3,μ（MoKα） = 0.640 mm^-1, F（000） = 3596, Z = 4, the final R = 0.0444 and wR = 0.0846 for 9178 observed reflections （I 〉 2σ（I））. It exhibits a novel three-dimensional supramolecular network formed by hydrogen-bonding and π-π interactions. Variable-temperature magnetic measure shows an overall anti-ferromagnetic behavior for compound 1.
文摘A novel compound (NH4)2Y(H2O)8[PMo10V2O40]·10H2O has been prepared in an aqueous solution and characterized by elemental analysis, IR, and TG-DTG analysis. X-ray diffraction analysis was carried out on (NH4)2Y(H2O)8 [PMo10V2O40]·10H2O single crystal, which crystallizes in the monoclinic system of a space group P21/C with a=0.9871(3) nm,b=1.5424(5) nm,c=2.7924(9) nm,β=94.183(5)°and Z=2. In the compound, a two-dimensional network is constructed by the PMo10V2O405- anion and the Y(H2O)83+ cation building blocks via hydrogen bonding exhibiting the porous structure.
文摘A novel coordination polymers [Cu2（ETU）6]SO4（1）（ETU=ethylidene thiourea） was synthesized under solvothermal conditions.The crystal structure of the polymer was determined by X-ray diffraction: trigonal,space group R3c（No.161）,a=1.275 09（8） nm,b=1.275 09（8） nm,c=3.574 7（7） nm,γ=120°,Z=6,CCDC Number: 605501.In the structure of the polymer,each metal ion Cu（Ⅰ） coordinates to three S atoms attached to the ring of ETU forming two triangular pinwheel-shape monovalent cations[Cu2（ETU）6]+, in one of which the counter-ion SO2-4 is located.The ions with contrary charge,[Cu2（ETU）6]+ and SO2-4,are held together via the N—H…O hydrogen-bonded interactions resulting in a three-dimensional supramolecular network.
