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Synthesis and crystal structure of a New Diamine complex CuCl4(H2tn)

✍ Scribed by Gai Zhang; Rong-Lan Zhang; Jian-She Zhao; Xin Gao; Shao-Kang Wang; Shui-Yang He

Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
296 KB
Volume
22
Category
Article
ISSN
0256-7660

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✦ Synopsis

Abstract

In an attempt to synthesize a new pyrimidine complex of copper(II) in a solution reaction of CuBr~2~ with 2,2′‐bis(hexahydropyrimidine) and hydro‐chloric acid, we unexpectedly obtained a bright yellow chip‐like crystal of CuC~4~(H~2~tn) [H,tn=(H~3~NCH~2~CH~2~CH~2~NH~3~)^2+^]. Its structure was determined by single‐crystal X‐ray diffraction analysis. The crystal belongs to orthorhombic system, space group Pnma, with cell parameters: a=0.7216(2) nm, b= 1.8308(6) nm, c=0.7553(3) nm, V=0.9953(6) nm^3^, Z=4, F(000)=564, M~r~=281.49, D,= 1.879 g/cm^3^. μ(Mo Ka)=3.204 m^−1^, R~1~=0.0248, wR~2~=0.0575. The analysis of the crystal structure indicates that the complex has a three‐dimensional network structure, which is formed by hydrogen bonds and electrostatic interaction.

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