Acta Cryst. (2012). B68, 323-340 [ doi:10.1107/S0108768112017478 ]
Abstract: The system Bi2(n + 2)MonO6(n + 1) is described within the superspace formalism. Two superspace models are proposed for the different members of this family, depending on the parity of the parameter n. The superspace model for the odd members is constructed through the embedding of the cationic distribution of the member with n = 3, and the modification of a superspace model previously proposed for the compound Bi2MoO6. However, this model cannot be applied to the even members of the family. Performing the appropriate transformations, a suitable superspace model for the even members is obtained. The atomic structure of the different compounds of the family have been refined through the Rietveld method combining synchrotron X-ray and neutron powder diffraction data.
B-IncStrDB reference: 6402ESgKUu
Keywords: superspace description; X-ray and neutron powder diffraction; systems of flexible composition.
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