Syntheses, Crystal Structures and Properties of Two Novel Supramolecular Complexes with α‐Thiophene Carboxylate, [Pb(phen)(tpa)2] and [Cu(im)2(tpa)2H2O] (phen=1, 10‐phenanthroline, tpa=thiophene carboxylic acid, im=imidazole)
摘要:
Two novel supramolecular complexes with alpha-thiophene carboxylic acid, [Pb(phen)(tpa)2] (1) and [CU(im)(2)(tpa)(2)H2O](2), have been synthesized, their crystal structures are deterimined by X-ray diffraction analyses, the fluorescence and thermal stable properties are researched. The crystal structure of 1 belongs to monoclinic system with space group P2(1)/c, the coordination environment around Pb(II) center is described as a distorted quadrangle pyramid geometry, two nitrogen atoms from one phen molecule and two oxygen atoms from two alpha-thiophene carboxylate are located at quadrangle pyramid bottom, Pb(II) situates at pyramid top. The crystal structure of 2 belongs to monoclinic system with space group C2/c, two nitrogen atoms from two imidazole molecules and two oxygen atoms from two alpha-thiophene carboxylate occupied at quadrangle pyramid bottom and oxygen atom of one water molecule located apical positions are coordinated to Cu(II) center to constructe a distorted quadrangle pyramid geometry.