Open AccessA Thiolato-Bridged Octanuclear Copper(I,II) Mixed- Valence Complex with N,N,S-Tridentate Ligand
Author(s) -
Takanori Kotera,
Tsuneaki Sugimoto,
Masahiro Mikuriya
Publication year - 2007
Publication title -
chemistry journal of moldova
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.275
H-Index - 5
eISSN - 2345-1688
pISSN - 1857-1727
DOI - 10.19261/cjm.2007.02(1).06
Subject(s) - chemistry , crystallography , antiferromagnetism , valence (chemistry) , magnetic susceptibility , copper , trigonal bipyramidal molecular geometry , tetrahedron , ion , crystal structure , ligand (biochemistry) , receptor , condensed matter physics , biochemistry , organic chemistry , physics
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.