Synthesis, EPR spectrum and X-ray structure of tetra-n-butylammonium bis(benzene-1,2-dithiolato(2−)-κS,S′)platinate(III) |
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| Authors: | Michel M Blomb Justin Nenwa Evamarie Hey-Hawkins Peter Lnnecke Peter Strauch Klaus R Koch |
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| Institution: | aInorganic Chemistry Department, University of Yaounde I, P.O. Box 812, Yaounde, Center Province, Cameroon;bFakultät für Chemie und Mineralogie, Johannisallee 29, D-04103 Leipzig, Germany;cInstitut für Chemie der Universität Potsdam, Karl-Liebknecht-Str. 24–25, 14476 Golm, Germany;dUniversity of Stellenbosch, P Bag X1 Matieland, 7602, South Africa |
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| Abstract: | The new salt, tetra-n-butylammonium bis(benzene-1,2-dithiolato(2−)-κ2S,S′)platinate(III), NBu4]Pt(C6H4S2)2] (1), has been synthesized in ethanol/water, and fully characterized by single crystal X-ray structure determination. The central platinum in the complex ion Pt(bdt)2]− is tetracoordinated by the S atoms of the bdt2− ligands (bdt2− is benzene-1,2-dithiolate) in a square-planar geometry. The well-resolved frozen solution EPR spectrum exhibits rhombic symmetry. The room temperature effective magnetic moment (μeff = 1.80 Bohr magneton) is in line with this spectrum and strongly supports the Pt(III) oxidation state in 1. This observation is in excellent agreement with previous results reported on closely related Ni(III), Pd(III) and Pt(III) species. |
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| Keywords: | Crystal structure PtIII complex salt EPR spectrum Benzene-1 2-dithiolato ligand Square planar complex |
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