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Synthesis, Structure and Photolumine

时间:2021-12-11 19:59:29 数理化学论文 我要投稿

Synthesis, Structure and Photoluminescence of a New Cadmium(Ⅱ) Complex Involving in situ Decarboxylation

A new luminescent dinuclear cluster complex [Cd2(pzc)2(AmTAZ)(H2O)4(NO3)]·NO3(Hpzc = pyrazine-2-carboxylic acid, AmTAZ = 3-amino-4H-1,2,4-triazole) has been prepared by the assembly of CdⅡ with pyrazine-2,3-dicarboxylic acid and 3-amino-1H-1,2,4-triazole-5-car-boxylic acid ligands under hydrotherrnal conditions, in which in situ decarboxylation of H2pzdc and HAmTZC ligands simultaneously occurred, and H2pzdc was transformed into Hpzc while HAmTZC into AmTAZ. The crystal structure is of triclinic, space group P1 with a = 7.096(2), b = 11.140(4), c = 14.887(5)A, α = 92.641(4),β = 91.348(6), γ = 96.058(6)°, V = 1168.5(7)A3, C12H18Cd2N10O14, Mr = 751.16, Z = 2, Dc = 2.126 g/cm3, F(000) = 730,μ = 1.910 mm-1, R = 0.0320 and wR = 0.0998 for 4549 observed reflections (I> 2σ(Ⅰ)). The dinuclear cluster of 1 is extended into a 3D supramolecular architecture through intermolecular hydrogen bonding interactions.Complex 1 exhibits strong blue photoluminescence at room temperature.

作 者: CHEN Lan-Fen QIN Ye-Yan LI Zhao-Ji YAO Yuan-Gen   作者单位: State Key Laboratory of Structural Chemistry,Fufian Institute of Research on the Structure of Matter,The Chinese Academy of Sciences,Fuzhou,Fufian 350002,China  刊 名: 结构化学  ISTIC SCI PKU 英文刊名: CHINESE JOURNAL OF STRUCTURAL CHEMISTRY  年,卷(期): 2009 28(2)  分类号: O6  关键词: cadmium   pyrazine-2   3-dicarboxylate   decarboxylation   photoluminescence