Preparation and crystal structural characterization of Cu(II) complex with piperidine-4-carboxylic acid期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Preparation and crystal structural characterization of Cu(II) complex with piperidine-4-carboxylic acid

Authors:	J. X. Yang Z. Zhang Y. P. Tian J. Y. Wu Q. L. Liu A. Usman S. Chantrapromma H. K. Fun

Affiliation:	(1) Department of Chemistry, Anhui University, Hefei, 230039, P.R. China;(2) Department of Chemistry, USTC, Hefei, 230026, P.R. China;(3) X-ray Crystallography Unit, School of Physics, University Sains Malaysia, 11800 USM Penang, Malaysia

Abstract:	Copper(II) complex with piperidine-4-carboxylic acid (HPipe-4), Cu(HPipe-4)₄(ClO₄)₂ (I) was prepared and characterized by IR, X-ray diffraction, and thermal analysis. The crystal is orthorhombic with space group Ccca, Z = 8, a =17.415(3) , b =17.399(2) , c = 21.426(3) . The copper atom has a square surrounding and is coordinated by four carboxylato oxygen atoms in monodentate coordination mode. Full-matrix least-squares refinements gave a final R value of 0.0723 for 22169 reflections. The complex consists of two perpendicularly arranged molecules differing slightly in conformations and shows a three-dimensional polymeric structure formed by hydrogen bonds.__________From Koordinatsionnaya Khimiya, Vol. 31, No. 4, 2005, pp. 302–305.Original English Text Copyright © 2005 by Yang, Zhang, Tian, Wu, Liu, Usman, Chantrapromma, Fun.This article was submitted by the authors in English.

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