Synthesis and Crystal Structure of a New Imidazole Coordinated Octamolybdate Compound
The title compound (Himi)4[Mo8O26(imi)2].4H2O (imi = imidazole) 1 was synthesized by the reaction of H2MoO4 and imidazole in aqueous solution. Single-crystal X-ray analysis reveals that compound 1 is crystallized in the triclinic system, space group P1 with a = 10.6219(8),b = 10.7260(8), c = 11.3220(9) A, α = 92.842(2), β =117.364(1), γ= 101.655(1)°, C18H36Mo8N12-O30, Mr = 1668.11, V= 1106.8(2) A3, Z= 1, Dc = 2.503 g/cm3, F(000) = 804, μ = 2.298 mm-1, the final R = 0.0714 and wR = 0.1651 for 3121 observed reflections with Ⅰ＞ 2σ(Ⅰ). The X-ray crystal structure analysis suggests that compound 1 is built up by two imidazole ligands coordinated by the centrosymmetric octamolybdate anions, protonated imidazole cations and crystallization water molecules.
作 者： 康杰 张全争 吴传德 杨文斌 詹晓平 余雅琴 卢灿忠 作者单位： State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, The Chinese Academy of Sciences, Fuzhou, Fujian 350002, China 刊 名： 结构化学 ISTIC SCI PKU 英文刊名： CHINESE JOURNAL OF STRUCTURAL CHEMISTRY 年，卷(期)： 2003 22(2) 分类号： O64 关键词： octamolybdate centrosynmetric imidazole hydrogen bonding