Oxo Methyls of Molybdenum(V), Tungsten(V) and Rhenium(V): X-ray Crystal Structure of (Me₄WO)₂Mg(thf)₄
The interaction of MgMe2 or MeLi with MOCl4 (M = W or Mo) leads to the paramagnetic (d1) complexes (Me4MO)2Mg(thf)4 and (Me4MO)Li(thf)2, respectively. The structure of (Me4WO)2Mg(thf)4 has been determined by X-ray crystallography and shown to consist of Mg2+ co-ordinated by thf and square pyramidal Me4WO− units. The preparation of the diamagnetic rhenium(V) compound (Me4ReO)Li(thf)2 is also reported.
P. Stavropoulos et al., "Oxo Methyls of Molybdenum(V), Tungsten(V) and Rhenium(V): X-ray Crystal Structure of (Me₄WO)₂Mg(thf)₄," Polyhedron, vol. 6, no. 5, pp. 1081-1087, Elsevier, Jan 1987.
The definitive version is available at http://dx.doi.org/10.1016/S0277-5387(00)80959-6
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