Affiliation:
1. Max-Planck-Institut für Festkörperforschung, Heisenbergstraße 1, D-7000 Stuttgart 80
Abstract
Abstract
Trigallium heptachloride, G a3Cl7, has been prepared from GaCl3 and Ga in sealed glass ampoules. Ga3Cl7 crystallizes in the space group Pna21 (No. 33) with a = 1181.8(1) pm; b = 889.7(1) pm; c = 1057.5(1) pm; Z = 4. The compound is isotypic with KGa2Cl7
-. The Ga2Cl7
- anion has nearly C2 symmetry (gauche conformation) with d̄ (Ga -Clbridg) = 230.3 pm, d̄ (Ga -Clterm) = 214.3 pm and and ∢ Ga -Cl -Ga = 109.0°. The Ga+ ion is coordinated by ten Cl atoms (4 + 6) with d = 346.2 pm. The coordination of Ga+ and the conformation of Ga2Cl7
- are discussed in detail together with related compounds.
Cited by
19 articles.
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