SYNTHESIS, VIBRATIONAL AND PROTON RESONANCE SPECTRA, AND REACTIONS OF TETRAKIS (TRIMETHYLPLATINUM THIOCYANATE)
- 1 November 1971
- journal article
- research article
- Published by Taylor & Francis in Journal of Coordination Chemistry
- Vol. 1 (2) , 133-140
- https://doi.org/10.1080/00958977108070754
Abstract
Trimethylplatinum(IV) thiocyanate has been synthesized and found to be tetrameric in benzene solution. On the basis of proton magnetic resonance, Raman, and infrared spectra an acentric D 2d structure has been assigned. This involves a tetrahedral array of platinum atoms linked by bridging thiocyanates. Within any one of the four large faces of the rectangular parallelepiped defined by the skeleton, the bonding is analogous to that in [(CH3)2 AuNCS]2, but in [CH3)3PtNCS]4 the sulfur atoms are three coordinate. The coordination about the thiocyanate is similar to that reported for Pr n 3PAgNCS. Pyridine, triphenylphosphine, and triphenylarsine react in a 4 : 1 mole ratio with [(CH3)3PtNCS]4 to yield the dimeric compounds [(CH3)3Pt(NCS)L]2. These are assigned a bridged structure similar to [(CH3)2AuNCS]2. Complete Raman, infrared, and pmr spectra are given for the parent compound and its derivatives.Keywords
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