Journal
ACTA CRYSTALLOGRAPHICA SECTION E-CRYSTALLOGRAPHIC COMMUNICATIONS
Volume 62, Issue -, Pages I109-I111Publisher
INT UNION CRYSTALLOGRAPHY
DOI: 10.1107/S1600536806011044
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Single crystals of cobalt digallium tetraoxide, CoGa2O4, have been grown by cooling slowly a 1:1 mixture of CoO and Ga2O3 from 1473 K to room temperature under the presence of a PbF2 flux. The compound crystallizes with the cubic spinel structure (space group Fd (3) over barm). The occupancy refinement based on single-crystal X-ray diffraction data shows CoGa2O4 to be a largely normal spinel with an inversion parameter of 0.575 (4), resulting in a structural formula of (IV)(Co0.425Ga0.575) (VI)[Co0.575Ga1.425]O-4, where (IV)() and (VI)[] represent the tetrahedral and the octahedral sites, respectively.
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