Article ID Journal Published Year Pages File Type
10636760 Solid State Sciences 2005 7 Pages PDF
Abstract
A new third modification of manganese(II) orthophosphate Mn3(PO4)2 has been obtained under hydrothermal conditions. Its crystal structure was determined by single crystal X-ray diffraction: space group P21/n, Z=2, a=5.2344(5), b=6.6739(7), c=8.9688(10)Å, β=95.276(9)° at 293 K, wR2=0.050, R=0.019. In the structure, [MnO5] polyhedra and [MnO6] octahedra in a ratio of 2:1 share common edges to form chains alternating along the [110] and [1¯10] directions. They are further linked by common vertices and the phosphate tetrahedra to a 3D framework. The relations of this new structure type to the other polymorphs of Mn3(PO4)2 and related Mn and Fe phosphates are discussed.
Related Topics
Physical Sciences and Engineering Materials Science Ceramics and Composites
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