Jl. Koch et Pa. Shapley, COMPARISON OF ISOELECTRONIC CYCLOPENTADIENYL, INDENYL, AND HYDROTRIS(3,5-DIMETHYLPYRAZOLYL)BORATE COMPLEXES OF OSMIUM(VI), Organometallics, 16(19), 1997, pp. 4071-4076
Osmium(VI) complexes with cyclopentadienyl, indenyl, and hydrotris(3,5
-dimethyl-pyrazolyl)borate ligands result from the reaction between [O
s(N)Ph-2(py)(2)][BF4] and sodium cyclopentadienide, potassium indenide
, or potassium hydrotris(3,5-dimethylpyrazolyl)borate. The molecular s
tructures of the resulting complexes, CpOs(N)Ph-2 (1), InOs(N)Ph-2 (2)
, and TpOs(N)Ph-2 (3), have been determined by X-ray diffraction anal
ysis. The cyclopentadienyl-type ligand in each complex is distorted du
e to the strong trans effect of the nitrido group.