Neue Verbindungen mit KCu4S3-Struktur |
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| Authors: | Kurt Klepp Herbert Boller Horst Völlenkle |
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| Affiliation: | (1) Institut für Anorganische Chemie, Universität Wien, A-1090 Wien, Österreich;(2) Institut für Physikalische Chemie, Universität Wien, A-1090 Wien, Österreich;(3) Institut für Mineralogie und Strukturchemie, Technische Universität Wien, A-1060 Wien, Österreich;(4) Present address: Laboratoire de Cristallographie aux Rayons X, Université de Genève, CH-1211 Genève, Schweiz |
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| Abstract: | TlCu4S3, TlCu4Se3, KCu4Se3, RbCu4Se3, CsCu4S3 and CsCu4Se3 were prepared by direct synthesis or by the carbonate melt method. They are isotypic with KCu4S3, space group P4/mmm,Z=1. The lattice parameters are: TlCu4S3:a=3.894(1)Å,c=9.33(1)Å, TlCu4Se3:a=3.974(4)Å,c=9.84(2)Å, KCu4Se3:a=3.963(4)Å,c=9.81(3)Å, RbCu4Se3:a=4.048(2)Å,c=9.86(1)Å, CsCu4S3:a=3.964(3)Å,c=9.67(1)Å,and CsCu4Se3:a=4.091(2)Å,c=10.08(1)Å. The crystal structure of TlCu4S3 was refined from single crystal diffractometer data. Isotypy of the other compounds was checked by visual inspection of rotating crystal orDebye Scherrer film intensities. The relationship between the crystal structures of the MCu4X3-phases, the TlT2X2-phases (ThCr2Si2 type) and the anti-CaF2 type is shown.Hern Professor Dr.H. Bittner zum 60. Geburtstag in Verehrung gewidmet. |
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| Keywords: | Alkaliselenocuprates Alkalithiocuprates Crystal structure Thalliumselenocuprate Thalliumthiocuprate |
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