Two new coordination polymers,named {[Co3（pfca）6（phen）2]·2H2O}n（1） and[Cu（pfca）2（4,4＇-bpy）（H2O）]n（2）（Hpfca = 4-fluorocinnamic acid and 4,4-bpy = 4,4-bipyridine）,were hydrothermally synthesized an...Two new coordination polymers,named {[Co3（pfca）6（phen）2]·2H2O}n（1） and[Cu（pfca）2（4,4＇-bpy）（H2O）]n（2）（Hpfca = 4-fluorocinnamic acid and 4,4-bpy = 4,4-bipyridine）,were hydrothermally synthesized and characterized by elemental analysis,IR spectroscopy,thermogravimetric analysis（TGA）,and single-crystal X-ray diffraction.Complex 1 crystallizes in the triclinic crystal system,space group P1 with a = 10.939（3）,b = 12.430（4）,c = 13.815（4） A,α=78.436（3）,β= 70.261（3）,γ= 80.268（3）°,V= 1721.8（9） A^3,Dc = 1.508 g/cm^3,Mr= 1564.06,Z = 1,F（000） = 799,μ= 0.802 mm^（-1）,the final R = 0.0432 and wR = 0.1015 for 13250 observed reflections with I 2σ（I）.Complex 2 is of monoclinic system,space group P2／lc with a =15.4985（14）,b = 15.8424（14）,c = 10.9528（10） A,β= 107.1600（10）°,V= 2569.6（4） A^3,Dc = 1.468g/cm^3,Mr = 568.02,Z = 4,F（000） = 1164,μ= 0.906 mm^（-1）,the final R = 0.0371 and wR = 0.0842 for 18183 observed reflections with I〉 2σ（I）.Complex 1 features linear Co（Ⅱ）-trinuclear units,which are assembled into a final 3D supramolecular structure through π…π stacking interactions and F-H weak interactions.Complex 2 consists of 1D polymeric Cu（Ⅱ）-chains that are further cohered together by extensive H-bonds.展开更多
A novel complex [Zn（Im）2（A-glu）]-0.5H2O（Im = imidazole, A-glu = N-acetyi- L-glutamic acid） has been synthesized from the reaction of A-glu with Zn（CH3COO）2·2H20 in the presence of Im at 65 ℃, and structu...A novel complex [Zn（Im）2（A-glu）]-0.5H2O（Im = imidazole, A-glu = N-acetyi- L-glutamic acid） has been synthesized from the reaction of A-glu with Zn（CH3COO）2·2H20 in the presence of Im at 65 ℃, and structurally characterized by single-crystal X-ray diffraction. The complex crystallizes in tetragonai, space group P43212 with a = b = 8.9078（6）, c = 43.458（6） A, C26H36N10O11Zn2, Mr = 795.39, V= 3448.3（6） A^3, De = 1.532 g/cm^3, Z = 4,μ（MoKα） = 1.461 mm^-1, F（000） = 1640, the final R = 0.0453 and wR = 0.0992. X-ray analysis reveals that the crystal structure is constructed by mixed iigands. A-glu adopts the bis-monodentate coordination mode linking two adjacent metal ions to form a one-dimensional chain. Zinc（Ⅱ） ions are four-coordinated with a distorted tetrahedral geometry. Luminescent properties of the complex have been inves- tigated.展开更多
Two novel complexes [Zn（Him-thz）2（NO3）]·NO3 1 and [Ni（Him-thz）2（NO3）]·NO3 2 （Him-thz = 2-（2＇-thiazole）-4,4,5,5-teramethyl-dihydro-1H-imidazolyl-1-hydroxy） have been prepared and structurally cha...Two novel complexes [Zn（Him-thz）2（NO3）]·NO3 1 and [Ni（Him-thz）2（NO3）]·NO3 2 （Him-thz = 2-（2＇-thiazole）-4,4,5,5-teramethyl-dihydro-1H-imidazolyl-1-hydroxy） have been prepared and structurally characterized by X-ray diffraction method. Both complexes crystallize in orthorho- mbic, space group P21 21 2, Z = 2. Crystal data for 1： ZnC20H30N8O8S2, Mr = 640.2, a = 13.1630（14）, b = 10.5149（11）, c = 10.6670（11） A°, V= 1476.4（3）A°^3, Dc = 1.440 g/cm^3, μ（MoKa） = 1.028 mm^-1, F（000） = 664, R = 0.0398 and wR = 0.0901 for 2131 observed reflections with I 〉 2σ（I）. Crystal data for 2： NiC20H30N8O8S2, Mr = 633.36, a = 13.1611（7）, b = 10.4833（6）, c = 10.6928（6） .4,, V = 1475.30（14）A°^3, Dc = 1.426 g/cm^3 ,μ（MoKa） = 0.854 mm^-1, F（000） = 660, R = 0.0281 and wR = 0.0797 for 3099 observed reflections with I 〉 2σ（I）. X-ray analysis reveals that the crystal structures consist of [M（Him-thz）2（NO3）]^＋ （M = Zn, Ni） moiety and a NO3^- anion. Both Zinc（Ⅱ） and Nickel（Ⅱ） ions are six-coordinated with distorted octahedral geometries.展开更多
A novel coordination polymer {[Zn（ts-gln）（bipy）].3H2O}n （ts-glnH2 = N-p-tolysulfonyl-glutamine, bipy = 2,2′-bipyridine） has been prepared and structurally characterized by X-ray diffraction method. It crystalli...A novel coordination polymer {[Zn（ts-gln）（bipy）].3H2O}n （ts-glnH2 = N-p-tolysulfonyl-glutamine, bipy = 2,2′-bipyridine） has been prepared and structurally characterized by X-ray diffraction method. It crystallizes in orthorhombic, space group P212121 with a = 8.2622（5）, b =16.6244（10）, c = 18.2807（10） A, V = 2510.9（3） A^3, C22H2N4O8SZn, Mr = 573.91, Z = 4, Dc = 1.518 g/cm^3, μ（MoKα） = 1.115 mm^-1, F（000） = 1192, the final R = 0.0262 and wR = 0.0662 for 5691 independent reflections with Rint = 0.0240. The zinc（Ⅱ） atom is coordinated by N（3） and N（4） atoms of a bipy molecule, two carboxylate O（1） and O（2A） and amino N（ 1 ） atoms of ts-gln ligands, resulting in a square-pyramidal geometry. The title complex consists of an infinite zigzag chain of zinc（Ⅱ） ions linked by the carboxylate of N-p-tolysulfonyl-glutamine.展开更多
基金Supported by the Program for Science&Technology Innovation Talents in Universities of Henan Province(No.14HASTIT017)the Program for Innovative Research Team(in Science and Technology)in University of Henan Province(No.14IRTSTHN008)+1 种基金the Foundation of Education Committee of Henan Province(No.142300410301)the National Natural Science Foundation of China(No.21571093)
文摘Two new coordination polymers,named {[Co3（pfca）6（phen）2]·2H2O}n（1） and[Cu（pfca）2（4,4＇-bpy）（H2O）]n（2）（Hpfca = 4-fluorocinnamic acid and 4,4-bpy = 4,4-bipyridine）,were hydrothermally synthesized and characterized by elemental analysis,IR spectroscopy,thermogravimetric analysis（TGA）,and single-crystal X-ray diffraction.Complex 1 crystallizes in the triclinic crystal system,space group P1 with a = 10.939（3）,b = 12.430（4）,c = 13.815（4） A,α=78.436（3）,β= 70.261（3）,γ= 80.268（3）°,V= 1721.8（9） A^3,Dc = 1.508 g/cm^3,Mr= 1564.06,Z = 1,F（000） = 799,μ= 0.802 mm^（-1）,the final R = 0.0432 and wR = 0.1015 for 13250 observed reflections with I 2σ（I）.Complex 2 is of monoclinic system,space group P2／lc with a =15.4985（14）,b = 15.8424（14）,c = 10.9528（10） A,β= 107.1600（10）°,V= 2569.6（4） A^3,Dc = 1.468g/cm^3,Mr = 568.02,Z = 4,F（000） = 1164,μ= 0.906 mm^（-1）,the final R = 0.0371 and wR = 0.0842 for 18183 observed reflections with I〉 2σ（I）.Complex 1 features linear Co（Ⅱ）-trinuclear units,which are assembled into a final 3D supramolecular structure through π…π stacking interactions and F-H weak interactions.Complex 2 consists of 1D polymeric Cu（Ⅱ）-chains that are further cohered together by extensive H-bonds.
基金This work was supported by the National Natural Science Foundation of China (No. 20471026), the Natural Science Foundation of Henan Province (No. 0311021200) and the Foundation of Education Committee of Henan Province (2006150017)
文摘A novel complex [Zn（Im）2（A-glu）]-0.5H2O（Im = imidazole, A-glu = N-acetyi- L-glutamic acid） has been synthesized from the reaction of A-glu with Zn（CH3COO）2·2H20 in the presence of Im at 65 ℃, and structurally characterized by single-crystal X-ray diffraction. The complex crystallizes in tetragonai, space group P43212 with a = b = 8.9078（6）, c = 43.458（6） A, C26H36N10O11Zn2, Mr = 795.39, V= 3448.3（6） A^3, De = 1.532 g/cm^3, Z = 4,μ（MoKα） = 1.461 mm^-1, F（000） = 1640, the final R = 0.0453 and wR = 0.0992. X-ray analysis reveals that the crystal structure is constructed by mixed iigands. A-glu adopts the bis-monodentate coordination mode linking two adjacent metal ions to form a one-dimensional chain. Zinc（Ⅱ） ions are four-coordinated with a distorted tetrahedral geometry. Luminescent properties of the complex have been inves- tigated.
基金This work was supported by the National Natural Science Foundation of China (No. 20471026) and the Natural Science Foundation of Henan province (No. 0311021200)
文摘Two novel complexes [Zn（Him-thz）2（NO3）]·NO3 1 and [Ni（Him-thz）2（NO3）]·NO3 2 （Him-thz = 2-（2＇-thiazole）-4,4,5,5-teramethyl-dihydro-1H-imidazolyl-1-hydroxy） have been prepared and structurally characterized by X-ray diffraction method. Both complexes crystallize in orthorho- mbic, space group P21 21 2, Z = 2. Crystal data for 1： ZnC20H30N8O8S2, Mr = 640.2, a = 13.1630（14）, b = 10.5149（11）, c = 10.6670（11） A°, V= 1476.4（3）A°^3, Dc = 1.440 g/cm^3, μ（MoKa） = 1.028 mm^-1, F（000） = 664, R = 0.0398 and wR = 0.0901 for 2131 observed reflections with I 〉 2σ（I）. Crystal data for 2： NiC20H30N8O8S2, Mr = 633.36, a = 13.1611（7）, b = 10.4833（6）, c = 10.6928（6） .4,, V = 1475.30（14）A°^3, Dc = 1.426 g/cm^3 ,μ（MoKa） = 0.854 mm^-1, F（000） = 660, R = 0.0281 and wR = 0.0797 for 3099 observed reflections with I 〉 2σ（I）. X-ray analysis reveals that the crystal structures consist of [M（Him-thz）2（NO3）]^＋ （M = Zn, Ni） moiety and a NO3^- anion. Both Zinc（Ⅱ） and Nickel（Ⅱ） ions are six-coordinated with distorted octahedral geometries.
基金the National Natural Science Foundation of China (No. 20471026)Natural Science Foundation of Henan Province (No. 0311021200)the Foundation of Education Committee of Henan Province (2006150017)
文摘A novel coordination polymer {[Zn（ts-gln）（bipy）].3H2O}n （ts-glnH2 = N-p-tolysulfonyl-glutamine, bipy = 2,2′-bipyridine） has been prepared and structurally characterized by X-ray diffraction method. It crystallizes in orthorhombic, space group P212121 with a = 8.2622（5）, b =16.6244（10）, c = 18.2807（10） A, V = 2510.9（3） A^3, C22H2N4O8SZn, Mr = 573.91, Z = 4, Dc = 1.518 g/cm^3, μ（MoKα） = 1.115 mm^-1, F（000） = 1192, the final R = 0.0262 and wR = 0.0662 for 5691 independent reflections with Rint = 0.0240. The zinc（Ⅱ） atom is coordinated by N（3） and N（4） atoms of a bipy molecule, two carboxylate O（1） and O（2A） and amino N（ 1 ） atoms of ts-gln ligands, resulting in a square-pyramidal geometry. The title complex consists of an infinite zigzag chain of zinc（Ⅱ） ions linked by the carboxylate of N-p-tolysulfonyl-glutamine.
