CRYSTAL STRUCTURES AND LUMINESCENCE PROPERTIES OF A ONE-DIMENSIONAL CADMIUM COORDINATION POLYMER DERIVED FROM A FLEXIBLE bis(IMIDAZOLE) LIGAND
X. Zhang, Y.G. Liu, G.H. Cui
Hebei United University, Tangshan, Hebei Province, P. R. China
tscghua@126.com
Ключевые слова: Cd(II) complex, crystal structure, luminescence property
Страницы: 1082-1086
Аннотация
A new Cd(II) coordination polymer, namely [Cd(pbmb)(mip)] n (pbmb = 1,1¢-(1,3-propane)bis-(2-methylbenzimidazole), H2mip = 5-methylisophthalic acid), is hydrothermally synthesized and characterized by elemental analyses, infrared spectroscopy and single crystal X-ray diffraction analyses. It crystallizes in the triclinic space group P , a = 0.2883(11), b = 11.3409(12), c = 13.2519(14) Å, a = 69.6950(10)°, b = 73.5850(10)°, g = 63.8100(10)°, V = 1285.8(2) Å3, Z = 2, C28H28CdN4O5, Mr = 612.94, Dc = 1.583 g/cm3, m = 0.896 mm-1. In the complex, adjacent dinuclear units [Cd2(pbmb)2] are bridged by mip2- ligands in the m2-h2, h1 coordination modes to construct 1D ladder-like chains which are additionally assembled into a 2D supramolecular network via C-H⋯p interactions. Moreover, the luminescence properties of the complex are described.
DOI: 10.15372/JSC20160526 |
