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Crystal Structure of In (PO3)3 Indium(III) trimetaphosphate In(PO3)3 crystallizes in the monoclinic space group Ic with a = 10.876(2) Å, b = 19.581(2) Å, c = 9.658(2) Å, β = 97.77(1)° and Z = 12. The structure was refined to R = 0.027 utilizing 1171 independent reflections. The structure consists of infinite chains of [PO4] tetrahedra sharing corners with each other. InO6 octahedra connect parallel chains. Each oxygen atom is shared between two [PO4] tetrahedra (in the infinite chains (PO3)n) or one [PO4] tetrahedron and one [InO6] octahedron. For the first type of oxygen atoms (OM) the P? O distances are about 0.1 Å greater than the P? O distances of the second type of oxygen atoms (Om). The [InO6] groups are moderately distorted and the average In? O bond length for the three In3+ ions is 2.117 Å. 相似文献
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