Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 12 (December 2013)


metal-organic compounds



zl2570 scheme

Acta Cryst. (2013). E69, m686-m687    [ doi:10.1107/S1600536813032133 ]

Di-[mu]-oxido-bis­[bis­(diiso­propyl­aceta­midinato)-[kappa]N;[kappa]2N,N'-germanium(IV)]

R. Syre, N. Frenzel, C. G. Hrib, E. P. Burte, P. G. Jones and F. T. Edelmann

Abstract: The title compound, [Ge2(C8H17N2)4O2], crystallizes with imposed twofold symmetry, which allows the monodentate amidinate ligands to be arranged in a cisoid fashion. The independent Ge-O distances within the central Ge2O2 ring, which is essentially planar (r.m.s. deviation = 0.039 Å), are 1.7797 (8) and 1.8568 (8) Å. The germanium centres adopt a distorted trigonal-bipyramidal geometry, being coordinated by the two O atoms and by one bidentate and one monodentate amidinate ligand (three N atoms). One N-isopropyl group is disordered over two positions; these are mutually exclusive because of `collisions' between symmetry-equivalent methyl groups and thus each has 0.5 occupancy.


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