Li7O2Br3 — Eine weitere Strukturvariante der neuen Alkalimetallchalkogenidhalogenid-Perowskite / Li7O2Br3 — A Further Structure Variant of the New Alkali Metal Chalcogenide Halide Perovskites

Author:

Wortmann Regina1,Sitta Stephan1,Sabrowsky Horst1

Affiliation:

1. Lehrstuhl für Anorganische Chemie I, Arbeitsgruppe Festkörperchemie, Ruhr-Universität Bochum, Universitätsstraße 150, D-4630 Bochum 1

Abstract

The colourless compounds Li3OBr and Li7O2Br3 have been prepared and characterized by X-ray diffraction techniques. Li3OBr crystallizes in a cubic primitive lattice (Pm3m) with a = 405.6(1) pm (Z = 1). The structure is related to the anti-perovskite type. Li7O2Br3 crystallizes in a tetragonal bodycentered lattice (I4/mmm) with a = 403.5(1) pm, c = 2161(1) pm (Z = 2) and is isotypic to Sr3Ti2O7.

Publisher

Walter de Gruyter GmbH

Subject

General Chemistry

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