Ca3AlSb3 und Ca5Al2Bi6, zwei neue Zintlphasen mit kettenförmigen Anionen / New Zintl Phases with Chain Anions: On Ca3AlSb3 and Ca5Al2Bi6

Author:

Cordier Gerhard1,Schäfer Herbert1,Stelter Michael1

Affiliation:

1. Abteilung II für Anorganische Chemie im Eduard-Zintl-Institut der Technischen Hochschule Darmstadt, Hochschulstr. 4, D-6100 Darmstadt

Abstract

Abstract The new compound Ca3AlSb3 crystallizes in the orthorhombic system (space group Pnma (No. 62)) with lattice constants a = 1283.5(5) pm, b = 448.9(2) pm , c = 1428.2(5) pm In the structure there are AlSb4 tetrahedra connected by common corners to form chains. The new compound Ca5Al2Bi6 crystallizes in the orthorhombic system, too (space group Pbam (No. 55)) with lattice constants a = 2333.3(8) pm, b = 758.2(3) pm, c = 452.9(2) pm AlBi4 tetrahedra are connected by common corners and Bi2 groups to form double chains. Both compounds are classified as Zintl phases.

Publisher

Walter de Gruyter GmbH

Subject

General Chemistry

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