The thallous chalcogenides Tl<sub>6</sub>X<sub>4</sub>Y (X = Cl,Br, I; Y = S,Se)期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

The thallous chalcogenides Tl₆X₄Y (X = Cl,Br, I; Y = S,Se)

Authors:	Roger Blachnik Henning Arthur Dreisbach Josef Pelzl

Affiliation:	Anorganische Chemie, F.B. Biologie-Chemie Universität Osnabrück, P.O. Box 4469, D-4500 Osnabrück, F.R.G.;Anorganische Chemie, Universität Siegen Siegen, F.R.G.;Institut für Experimentalphysik Ruhr-Universität Bochum, F.R.G.

Abstract:	Single crystals of Tl₆X₄Y(X = Cl, Br, I; Y = S, Se) were prepared by the Bridgman technique. The compounds were characterized by complete X-ray structural analyses. All are isotypic, space group $P 4 mnc$ , with a = 843.3(2) pm, c = 917.2(2) pm for Tl₆Cl₄S, a = 872.1(2) pm, c = 932.8(1) pm for Tl₆Br₄S, a = 917.6(3) pm, c = 960.8(1) pm for Tl₆I₄S and a = 917.8(3) pm, c = 967.5(1) pm for Tl₆I₄Se. FIR spectra as well as photoacoustic spectra are given.

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