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Thorium divanadate dihydrate, Th(V2O7)(H2O)2

Abstract : The title compound, Th(V(2)O(7))(H(2)O)(2), was synthesized by a hydro-thermal reaction. The crystal structure consists of ThO(7)(OH(2))(2) tricapped trigonal prisms that share edges, forming [ThO(5)(OH(2))(2)](n) chains along [010]. The edge-sharing ThO(7)(OH(2))(2) polyhedra share one edge and five vertices with the V(2)O(7) divanadate anions having a nearly ecliptic conformation parallel to [001]. This results in an open framework with the water mol-ecules located in channels. O-H⋯O hydrogen bonding between water molecules and framework O atoms is observed. Bond-valence-sum calculations are in good agreement with the chemical formula of the title compound.
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http://hal.in2p3.fr/in2p3-00651509
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Submitted on : Tuesday, December 13, 2011 - 5:01:05 PM
Last modification on : Wednesday, September 16, 2020 - 4:08:17 PM

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S. Yagoubi, L. El Ammari, A. Assani, M. Saadi. Thorium divanadate dihydrate, Th(V2O7)(H2O)2. Acta Crystallographica Section E: Structure Reports Online, International Union of Crystallography, 2011, 67, pp.i60. ⟨10.1107/S1600536811039584⟩. ⟨in2p3-00651509⟩

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