Zusammenfassung
The reaction of [Cp-2*Nb(Te2H)] (Cp* = eta(5)-C5Me5) with [Pd(DBA)(2)] (DBA = dibenzylidenacetone) and dppm (bis(diphenylphosphanyl)methane) gave the new tetratelluropalladate cluster [(Cp-2*Nb)(2)PdTe4] (1), which has been characterised by means of elemental analysis, FD-MS and X-ray crystallography. The structure of compound I contains a planar PdTe4 rectangle to which two niobocene groups are ...
Zusammenfassung
The reaction of [Cp-2*Nb(Te2H)] (Cp* = eta(5)-C5Me5) with [Pd(DBA)(2)] (DBA = dibenzylidenacetone) and dppm (bis(diphenylphosphanyl)methane) gave the new tetratelluropalladate cluster [(Cp-2*Nb)(2)PdTe4] (1), which has been characterised by means of elemental analysis, FD-MS and X-ray crystallography. The structure of compound I contains a planar PdTe4 rectangle to which two niobocene groups are coordinated. DFT calculations on the hypothetical [PdTe4](2-) anion and comparison of the results with those of the W and Ni homologues show that the planar arrangement of Te ligands in 1 is due to the intrinsic property of the central Pd atom. (c) 2007 Elsevier B.V. All rights reserved.
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