Journal
INORGANICA CHIMICA ACTA
Volume 362, Issue 7, Pages 2299-2304Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ica.2008.10.020
Keywords
Cyano-bridged complexes; Nickel(II); Copper(II); Platinum(II); Magnetic properties; Thermal analysis
Categories
Funding
- Scientific and Technical Research Council of Turkey [TBAG-104T205]
- Gazi-osmanpasa University Research Foundation [2005-04]
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Two unique bimetalic Pt(II) coordination polymers of composition [Ni(hydeten)(2)Pt(CN)(4)] (Ni-Pt) and [Cu(hydeten)(2)Pt(CN)(4)] (Cu-Pt) [hydeten = N-(2-hydroxyethyl-ethylenediamine) or 2-(2-aminoethylamino) ethanol] have been synthesized and structurally characterized by various methods in this study. The crystal structure of Cu-Pt was determined by single-crystal X-ray diffraction analysis. The structure of Cu-Pt forms of infinite 2,2-TT type [-Cu(hydeten)(2)-NC-Pt(CN)(2)-CN-] chains containing paramagnetic copper atoms bridged by tetracyanoplatinate species. In this complex, Cu(II) centers display an axially elongated octahedron with two chelating hydeten molecules in the equatorial positions and N-bonded bridging cyano groups in the axial positions, whereas Pt(II) centers are four coordinate with four cyanide-carbon atoms in a square-planar arrangement. The decrease of the moments of these complexes in temperature range of 50305 K can assigned to the antiferromagnetic interactions in the structures. The thermal decomposition of Cu-Pt comprise of five distinguished stages, while the thermal decomposition of Ni-Pt take place four different stages. (C) 2008 Elsevier B. V. All rights reserved.
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