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Preparation and spectral studies of dithiophosphate and dithiophosphinate complexes of dicyclopentadienylvanadium(IV) |
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| Institution: | 1. Department of Power Engineering, School of Energy and Power Engineering, North China Electric Power University, Baoding 071003, China;2. Physics Department, Missouri University of Science and Technology, Rolla, MO 65409, USA | |
| Abstract: | The dithiophosphate and dithiophosphinate complexes ![></figure> S<sub>2</sub>-PR<sub>2</sub>]<sup>−</sup> (R = Et, OEt, OPr<sup>i</sup>) can be conveniently prepared by reaction of Cp<sub>2</sub>V with the disulphides SP(S)R<sub>2</sub>]<sub>2</sub> in THF; all products have been characterized by IR and EPR spectroscopy and conductivity measurements. The EPR spectra of the complexes have been recorded in solution at room temperature and in glasses; they show isotropic interaction of the unpaired electron with the <sup>51</sup>V and <sup>31</sup>P nuclei, which can be accounted for in terms of delocalization through the sulphur atoms.</td>
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