Affiliation:
1. Abteilung II für Anorganische Chemie im Eduard-Zintl-Institut der Technischen Hochschule Darmstadt, Hochschulstraße 4, D-6100 Darmstadt
Abstract
The new compounds Ca3GaAs3 and Ca3InP3 crystallize in the orthorhombic system, space group Pnma (No. 62) with the lattice constants
Ca3GaAs3: a = 1217.1(5) pm, b = 419.7(2) pm, c = 1341.4(5) pm;
Ca3InP3: a = 1201.9(5) pm, b = 413.8(2) pm, c = 1346.0(5) pm.
In the structures distorted GaAs4- and InP4-tetrahedra resp. are connected by common corners to chains.
The new compound Ba3GaSb3 crystallizes in the orthorhom bic system, space group Pnma (No. 62) with the lattice constants
a = 1411.7(5) pm, b - 2116.7(7) pm, c = 712.8(3) pm.
Two distorted GaSb4-tetrahedra are connected by a common edge to isolated Ga2Sb6-groups. The three compounds belong to the Zintl phases.
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