COPPER-COMPLEXES WITH A PYRAZOLE DERIVATIVE LIGAND - CRYSTAL-STRUCTURE OF TETRAKIS ([(3,5-BIS(PYRIDIN-2-YL)PYRAZOLATE)-(AQUA)COPPER(II)] NITRATE MONOHYDRATE)

被引：66
|
作者：
PONS, J [1 ]
LOPEZ, X [1 ]
CASABO, J [1 ]
TEIXIDOR, F [1 ]
CAUBET, A [1 ]
RIUS, J [1 ]
MIRAVITLLES, C [1 ]
机构：
[1] CSIC,INST CIENCIA MAT,E-08193 BARCELONA,SPAIN
来源：
INORGANICA CHIMICA ACTA | 1992年 / 195卷 / 01期
关键词：
D O I：
10.1016/S0020-1693(00)83850-5
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Reaction of the pyrazole-derived ligand 3,5-bis(pyridin-2-yl)pyrazole (bpypz) with Cu(NO3)2, CuCl2 and CuBr2 yields polynuclear copper(II) compounds with remarkable structural and magnetic properties. The magnetic behaviour was studied by fitting the experimental data with a dimer and tetramer magnetic model. Strong antiferromagnetic exchange interactions were found in all cases. The molecular structure of the nitrate compound was solved by X-ray diffraction methods. The compound is tetranuclear, orthorhombic, space group Fddd, a = 18.572(4), b = 23.816(8), c = 27.337(9) angstrom, V = 12092 angstrom3, Z = 8.
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页码：61 / 66
页数：6
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