Distrontium diphosphate, alpha-Sr2P2O7, has been refined in the Pnma space group. However, the strong anisotropy along the b direction for some of the O atoms suggests atomic scale disorder associated with the local loss of mirror symmetry and centrosymmetry.
CITATION STYLE
Barbier, J., & Echard, J.-P. (1998). A New Refinement of α-Sr 2 P 2 O 7. Acta Crystallographica Section C Crystal Structure Communications, 54(12), IUC9800070. https://doi.org/10.1107/s0108270198099181
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