Synthese und Strukturanalyse von Na3SbSe3·3Sb2O3·0,5Sb(OH)3 |
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Authors: | Friedrich Kluger Franz Pertlik |
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Institution: | (1) Institut für Analytische Chemie, Universität Wien, A-1090 Wien, Österreich;(2) Institut für Mineralogie und Kristallographie, Universität Wien, A-1010 Wien, Österreich |
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Abstract: | Investigations in the system Sb-Se-NaOH-H2O, hydrothermal conditions, yielded crystals of the compound Na3SbSe3·3Sb2O3·0,5Sb(OH)3. The structure of this compound (a=14.40 Å,c=5.568 Å; space group P 63-C
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;Z=2) was determined from 985 independent X-ray intensities — collected on an automaticWeissenberg type diffractometer — by thePatterson method and refined by the least squares method toR=8.3% (with -weighting 5.9%). The structure consists of SbO3 pyramids which are connected via common oxygen corners to tubes parallel 001]. These tubes and SbSe3 pyramids are combined by Na atoms to a framework. The Sb(OH)3 groups are statistically located within the channels of the tubes. |
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Keywords: | Crystal structure Sodium-antimonite-selenide Na3SbSe3· 3Sb2O3· 0 5Sb(OH)3 crystal structure |
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