期刊
INORGANICA CHIMICA ACTA
卷 332, 期 -, 页码 87-91出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/S0020-1693(01)00822-2
关键词
copper(II); 1,4-diazacycloheptane; thiocyanato bridged complexes; monomeric azide complexes; crystal structures; magnetic studies
A new singly bridging complex [Cu(dach)(mu-NCS)(NCS)](n) (dach = 1,4-diazacycloheptane) has been synthesised and its crystal structure determined. There are many examples of double NCS bridged polymeric chains, but fewer singly bridged ones. IR, ESR and temperature variable magnetic studies are described but no magnetic interaction was found between the copper centres, [Cu(dach)(2)(N-3)]ClO4 has also been characterised by IR, ESR spectra and magnetic studies. The crystal structure determination shows that it is a penta-coordinated monomeric species with an axially coordinated azide linked to the perchlorate counterion by hydrogen bonding. (C) 2002 Published by Elsevier Science B.V.
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