A new coordination polymer, [Zn2(m-bix)(p-bdc)2] (1), was synthesized under hydrothermal conditions by a reaction of 1,3-bis(imidazol-l-ylmethyl)benzene (m-bix), 1,3-benzene- dicarboxylic acid (H2p-bdc) an...A new coordination polymer, [Zn2(m-bix)(p-bdc)2] (1), was synthesized under hydrothermal conditions by a reaction of 1,3-bis(imidazol-l-ylmethyl)benzene (m-bix), 1,3-benzene- dicarboxylic acid (H2p-bdc) and Zn(NO3)2. The colorless block crystals of complex 1 (C30H22N408Zn2) belong to the triclinic system, space group P1 with a = 10.213(2), b = 12.052(2), c = 12.392(3) A, a = 82.97(3), β = 76.04(3), y = 78.02(3)°, V= 1443.8(5) A3, Z = 2, Dc = 1.604 g/cm3, Mr = 697.26, F(000) = 708, R = 0.0403 and wR = 0.0907 for 4886 observed reflections (1 〉 2σ(I)). In 1, the tetrahedral Zn11 cations are linked by [p-bdc]2- anions into 2D sql networks, which are further connected by bix ligands forming an interesting 2-fold 4,4-connected mog-type 3D network with a point symbol of {4·6^4·8}^2{4^2·6^2·8^2}. Complex 1 was characterized by elemental, IR spectroscopy, powder X-ray diffractions and thermalgravimetric analysis. In addition, complex 1 exhibits coordination induced photoluminescent property.展开更多
基金Support by the National Natural Science Foundation of China(21371052)
文摘A new coordination polymer, [Zn2(m-bix)(p-bdc)2] (1), was synthesized under hydrothermal conditions by a reaction of 1,3-bis(imidazol-l-ylmethyl)benzene (m-bix), 1,3-benzene- dicarboxylic acid (H2p-bdc) and Zn(NO3)2. The colorless block crystals of complex 1 (C30H22N408Zn2) belong to the triclinic system, space group P1 with a = 10.213(2), b = 12.052(2), c = 12.392(3) A, a = 82.97(3), β = 76.04(3), y = 78.02(3)°, V= 1443.8(5) A3, Z = 2, Dc = 1.604 g/cm3, Mr = 697.26, F(000) = 708, R = 0.0403 and wR = 0.0907 for 4886 observed reflections (1 〉 2σ(I)). In 1, the tetrahedral Zn11 cations are linked by [p-bdc]2- anions into 2D sql networks, which are further connected by bix ligands forming an interesting 2-fold 4,4-connected mog-type 3D network with a point symbol of {4·6^4·8}^2{4^2·6^2·8^2}. Complex 1 was characterized by elemental, IR spectroscopy, powder X-ray diffractions and thermalgravimetric analysis. In addition, complex 1 exhibits coordination induced photoluminescent property.