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Di-?-oxido-bis-[bis-(diiso-propyl-aceta-midinato)-?N;?(2) N,N'-germanium(IV)].


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.

SUBMITTER: Syre R 

PROVIDER: S-EPMC3885011 | biostudies-literature | 2013 Nov

REPOSITORIES: biostudies-literature

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Di-μ-oxido-bis-[bis-(diiso-propyl-aceta-midinato)-κN;κ(2) N,N'-germanium(IV)].

Syre Ronny R   Frenzel Nancy N   Hrib Cristian G CG   Burte Edmund P EP   Jones Peter G PG   Edelmann Frank T FT  

Acta crystallographica. Section E, Structure reports online 20131130 Pt 12


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)  ...[more]

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