Abstract
The title compound, dizinc cadmium hydroxide tetraoxidovanadate, Zn1.86Cd0.14(OH)VO4, was prepared under low-temperature hydrothermal conditions. It is isostructural with Zn2(OH)VO4 and Cu2(OH)VO4. In the crystal structure, chains of edge-sharing [ZnO6] octahedra are interconnected by VO4 tetrahedra (site symmetries of both V atoms and their coordination polyhedra are .m.) to form a three-dimensional [Zn(OH)VO4]2− framework with channels occupied by Zn and Zn/Cd cations adopting trigonal–bipyramidal and distorted octahedral coordinations, respectively. Zn1.86Cd0.14(OH)VO4 is topologically related to adamite-type phases, and descloizite- and tsumcorite-type structures.
Highlights
The title compound, dizinc cadmium hydroxide tetraoxidovanadate, Zn1.86Cd0.14(OH)VO4, was prepared under lowtemperature hydrothermal conditions
Chains of edge-sharing [ZnO6] octahedra are interconnected by VO4 tetrahedra to form a three-dimensional [Zn(OH)VO4]2À framework with channels occupied by Zn and Zn/Cd cations adopting trigonal–bipyramidal and distorted octahedral coordinations, respectively
Zn1.86Cd0.14(OH)VO4 is topologically related to adamite-type phases, and descloizite- and tsumcorite-type structures
Summary
Key indicators: single-crystal X-ray study; T = 293 K; mean (V–O) = 0.002 A; disorder in main residue; R factor = 0.025; wR factor = 0.056; data-to-parameter ratio = 17.4. The title compound, dizinc cadmium hydroxide tetraoxidovanadate, Zn1.86Cd0.14(OH)VO4, was prepared under lowtemperature hydrothermal conditions. It is isostructural with Zn2(OH)VO4 and Cu2(OH)VO4. Chains of edge-sharing [ZnO6] octahedra are interconnected by VO4 tetrahedra (site symmetries of both V atoms and their coordination polyhedra are .m.) to form a three-dimensional [Zn(OH)VO4]2À framework with channels occupied by Zn and Zn/Cd cations adopting trigonal–bipyramidal and distorted octahedral coordinations, respectively. Zn1.86Cd0.14(OH)VO4 is topologically related to adamite-type phases, and descloizite- and tsumcorite-type structures
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