Kristallstruktur und Schwingungsspektren des Thalliumhexathiometadiphosphates Tl2P2S6 / Crystal Structure and Vibrational Spectra of Tl2P2S6

Author:

Wibbelmann Claus12,Brockner Wolfgang1,Eisenmann Brigitte3,Schäfer Herbert3

Affiliation:

1. Institut für Anorganische Chemie, Technische Universität Clausthal, Paul-Ernst-Straße 4, D-3392 Clausthal-Zellerfeld

2. Institute of Inorganic Chemistry. The Technical University of Norway, N-7034 Trondheim-NTH, Norway.

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

Abstract

Tl2P2S6 crystallizes in the orthorhombic system, space group Immm, Z = 2 with the lattice constants a = 793.2(4) pm, b = 689.2(4) pm, c = 901.9(5) pm. In the structure there are discrete P2S6 2- -anions. The P2S6 2- -ion was found to be a hexa-thiometadiphosphate group where the two P atoms are linked by two S bridges. Far infrared, infrared and Raman spectra of this compound have been recorded. The observed frequencies are assigned on the basis of P2S6 2- units with D2h symmetry in analogy to the isoelectronic Al2Cl6

Publisher

Walter de Gruyter GmbH

Subject

General Chemistry

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