Abstract
The refinement of the crystal structure of Cu2O(SO4), dolerophanite, [a=9.370 (1) Å,b=6.319 (1) Å,c=7.639 (1) Å, β=122.34 (1)°; space group C 2/m;Z=4;R=0.035] confirmed the trigonal dipyramidal coordination of one Cu(II) atom (mean distance Cu-O=2.025 Å). One O atom is tetrahedrally surrounded by four Cu(II) atoms; the mean Cu(II)-O distance of 1.918 Å compares well to [O Cu(II)4] tetrahedra found in inorganic crystal structures.
Abstract
de|Die Verfeinerung der Kristallstruktur von Cu2O(SO4), Dolerophanit, [a=9.370 (1) Å,b=6.319 (1) Å,c=7.639 (1) Å, β=122.34 (1)°; Raumgruppe C 2/m;Z=4;R=0.035] bestätigte die trigonal dipyramidale Koordination des einen Cu(II)-Atoms (mittlerer Cu-O-Abstand=2.025 Å). Ein O-Atom ist tetraedrisch von vier Cu(II)-Atomen umgeben; der mittlere Cu(II)-O-Abstand von 1.918 Å entspricht den in ähnlichen [O Cu(II)4]-Tetraedern von anorganischen Kristallstrukturen gefundenen Werten.
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Effenberger, H. Cu2O(SO4), dolerophanite: Refinement of the crystal structure, with a comparison of [O Cu(II)4] tetrahedra in inorganic compounds. Monatsh Chem 116, 927–931 (1985). https://doi.org/10.1007/BF00809186
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DOI: https://doi.org/10.1007/BF00809186