The crystal structure of tetrahedrite, Cu12Sb4S13
Abstract
Tetrahedrite, Cu12Sb4S13, has a curious superstructure based on the sphalerite arrangement. This structure was proposed by Pauling and Neuman in 1934 on the basis of a limited number of measured intensities. Least-squares refinement in this study reduced an initial disagreement index of 27.9% to 3.9% and thus confirmed the correctness of the structure. The absolute configuration of the structure was established.
Tetrahedrite contains two sorts of copper atoms. A first type is coordinated by four sulfur atoms at 2.342 Å which form a nearly regular tetrahedron. The second type of copper atom is in an unusual triangular coordination, being bonded only to one sulfur atom at 2.234 Å and two at 2.272 Å. This group is planar, and the copper atom has a highly anisotropic thermal motion. The antimony atom is bonded to three sulfur atoms at 2.446 Å, which form bond angles of 95° 8′, but has six additional sulfur neighbors at the van der Waals distance of 4.033 Å. The polyhedra are linked in a complex manner which is discussed in detail.
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- Relations between diffuse reflections and geometry of the unit cells in isomorphous compounds [Me(II)(N2H4)2]Cl2
- An electron-diffraction study of NaF thin films condensed in vacuum
- Crystal structure of an authigenic maximum microcline
- The crystal structure of tetrahedrite, Cu12Sb4S13
- Stacking relations in the hexagonal ferrites and a new series of mixed-layer structures*
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- Errata
- Q values for indexing x-ray powder patterns according to Ito.
- Errata
- International Conference on Electron Diffraction and Crystal Defects, Melbourne, 1965
Articles in the same Issue
- Struktur elektrolytischer Schichten im Endwachstum* Eine Untersuchung des Zusammenhanges von Oberflächenform und Vorzugsorientierung mit den Methoden der Elektronenbeugung und Elektronenmikroskopie
- The crystal structure of barium hydroxide octahydrate Ba(OH)2·8H2O*
- The crystal structure of anhydrous zinc metaborate Zn4O(BO2)6
- Relations between diffuse reflections and geometry of the unit cells in isomorphous compounds [Me(II)(N2H4)2]Cl2
- An electron-diffraction study of NaF thin films condensed in vacuum
- Crystal structure of an authigenic maximum microcline
- The crystal structure of tetrahedrite, Cu12Sb4S13
- Stacking relations in the hexagonal ferrites and a new series of mixed-layer structures*
- Crystallographic data for NiSeO4 · 6H2O and MgSeO4 · 6H2O
- Unit cell and space group of B-trimethyl N-triphenyl borazole, B3(CH3)3N3(C6H5)3
- Zur Gitterstruktur von (c-C6H11)2P(O)SH und (c-C6H 1)2(S)P-P(S)(c-C6H11)2
- Errata
- Q values for indexing x-ray powder patterns according to Ito.
- Errata
- International Conference on Electron Diffraction and Crystal Defects, Melbourne, 1965
