Chemistry Journal of Moldova

A THIOLATO-BRIDGED OCTANUCLEAR COPPER(I,II) MIXED- VALENCE COMPLEX WITH N,N,S-TRIDENTATE LIGAND

Author(s):

Takanori Kotera, Tsukasa Sugimoto and Masahiro Mikuriya


Field: Inorganic and coordination chemistry
Type: Research paper
Issue: 2007 Volume 2, no.1
Pages: 102-107
Keywords:

thiolato-bridged complexes; mixed-valence complexes; copper complexes; octanuclear complexes.


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DOI:
dx.doi.org/10.19261/cjm.2007.02(1).06

Graphical Abstract:
 Thiolato-bridged complex [CuI4CuII4(peampt)4Cl8]·2H2O (Hpeampt = 1-(2-pyridylethyl)amino) methylpropane-2-thiol) has been synthesized and characterized by the elemental analysis, IR and UV-vis spectroscopies and magnetic susceptibility measurement. The X-ray crystal structure analysis of this complex shows a localized mixed-valence octanuclear cage structure made up of four trigonal-bipyramidal CuIIN2SCl2, two trigonal CuIS2Cl, and two tetrahedral CuIS2Cl2 coordination sites. Temperature dependence of magnetic susceptibility (4.5— 300 K) shows that a fairly strong antiferromagnetic interaction is operating between the four CuII ions.


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