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Die Kristallstruktur von Cu7(OH)6(TeO3)2(SO4)2

The crystal structure of Cu7(OH)6(TeO3)2(SO4)2

  • Anorganische Und Physikalische Chemie
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Abstract

The crystal structure of the new phase Cu7(OH)6(TeO3)2(SO4)2 [a=7.389 (1),b=7.638 (1),c=7.662 (2) Å, α=75.17 (1), β=75.90 (1), γ=84.19 (1)°;Z=1] was determined by direct methods andFourier summations from X-ray intensities, and was refined in space group P\(P\bar 1\)-C 1i toR=0.039. As usual, the Cu(II) atoms are coordinated to four O atoms forming approximately a square with average Cu-O=1.96 (3) Å; one or two more distant O neighbours complete the coordination. The shape of the TeO3 group is a rather clear-cut trigonal pyramid. A disorder was found for the SO4 tetrahedra. The compound was synthesized under hydrothermal conditions [500 (10) K, saturation vapour pressure].

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Authors and Affiliations

  1. Institut für Mineralogie und Kristallographie, Universität Wien, A-1010, Wien, Österreich

    Franz Pertlik & Josef Zemann

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  1. Franz Pertlik
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  2. Josef Zemann
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Herrn Prof. Dr.K. Komarek zum 60. Geburtstag gewidmet.

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Pertlik, F., Zemann, J. Die Kristallstruktur von Cu7(OH)6(TeO3)2(SO4)2 . Monatsh Chem 119, 311–317 (1988). https://doi.org/10.1007/BF00810256

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  • DOI: https://doi.org/10.1007/BF00810256

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