Tris(imidazolyl)phosphine cobalt complexes: structural comparisons with isoelectronic tris(pyrazolyl)hydroborato analogues
- 1 January 1996
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Chemical Communications
- No. 2,p. 235-236
- https://doi.org/10.1039/cc9960000235
Abstract
The cobalt complexes {[Pim Pri,But ]CoI}I and {[Pim Pri,But ]Co(NO3)}NO3 are synthesized by the reaction of the sterically demanding tris[2-(1-isopropyl-4-tert-butylimidazolyl)]phosphine [Pim Pri,But ] with CoI2 and Co(NO3)2, respectively; comparison of the structures of {[Pim Pri,But ]M(NO3)}+(M = Co, Zn) with those of the structurally analogous, but neutral, tris(3-tert-butylpyrazolyl)hydroborato complexes [Tp But ]M(NO3) illustrates that the charged complexes have a greater tendency to adopt bidentate coordination of the nitrate ligand.Keywords
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