Hemipotassium hemirubidium digallium(III) manganese(II) tris(phosphate) dihydrate

The title manganese(II) substituted gallophosphate, K0.5Rb 0.5- [Ga2Mn(PO4)3(H 2O)2], features a three-dimensional network built of PO4 tetrahedra, GaO5 trigonal bipyramids and MnO 6 octahedra. The RbI and KI ions, which are disordered with respect to each other in a 1:1 ratio, occupy sites within t...

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Bibliographic Details
Main Authors: Zhang, Jing, Li, Ping, Liu, Zhi-Hong, Ng, Seik Weng
Format: Article
Published: International Union of Crystallography 2011
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Summary:The title manganese(II) substituted gallophosphate, K0.5Rb 0.5- [Ga2Mn(PO4)3(H 2O)2], features a three-dimensional network built of PO4 tetrahedra, GaO5 trigonal bipyramids and MnO 6 octahedra. The RbI and KI ions, which are disordered with respect to each other in a 1:1 ratio, occupy sites within the channels of the framework. The RbI/KI and MnII atoms occupy positions of 2 symmetry, as does one of the two P atoms. The RbI/KI site is surrounded by six O atoms [2.996 (2)-3.178 (4) Å] in an irregularly-shaped coordination environment. O-H⋯O hydrogen bonds between the water molecules and phosphate O atoms consolidate the crystal packing.