Die Kristallstruktur von Ru2Ge3 |
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| Authors: | Dr. H. Völlenkle |
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| Affiliation: | 1. Institut für Mineralogie, Kristallographie und Strukturchemie der Technischen Hochschule Wien, Getreidemarkt 9, A-1060, Wien, ?sterreich
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| Abstract: | The crystal structure of Ru2Ge3 has been determined and refined by Fourier synthesis using pseudo-tetragonal X-ray data resulting from twinned crystals. The true symmetry is orthorhombic with space group Pnca-D 2h 14 and the lattice parameters are:a=5.718,b=11.436 andc-9.240 Å. Ru2Ge3 is a member of the Mn11Si19 structure family which is characterized by the occurrence of different compositions in the rangeTB 2?x (x≤0.75,T=transition metal andB=group III or IV metal). The compounds Ru2Si3, Os2Si3, Os2Ge3, and Ir2(Ga0.6Ge0.4)3 are isostructural. |
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