Acta Crystallographica, Section C: Crystal Structure Communications p. 219 - 221 (1998)
Update date:2022-08-05
Topics:
Pascu, Sofia
Silaghi-Dumitrescu, Luminita
Blake, Alexander J.
Li, Wan-Sheung
Haiduc, Ionel
Sowerby, D. Bryan
The title molecule, [AsCl2(C6H11)3], has a distorted trigonal-bipyramidal geometry with three equatorial cyclohexyl groups and axial Cl atoms. The As-C distances [1.990(2), 1.988(2) and 1.981(3) A] differ slightly, and the equatorial angles C-As-C are 117.35 (10), 117.60(10) and 123.26(8)°. The angle subtended at arsenic by the axial Cl atoms is 178.60(2)°, but the chlorine separation distances [2.4957 (7) and 2.3029 (7) A] differ substantially. The As atom lies out of the plane of the equatorial C atoms, suggesting a contribution from the ionic structure, [As(cyclo-C6H11)3]+.Cl-.
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