Information card for entry 2017952

Structure parameters

• Chemical name: dimagnesium heptaoxidodiphosphate
• Formula: Mg2 O7 P2
• Calculated formula: Mg2 O7 P2
• Title of publication: Strontium magnesium phosphate, Sr~2+<i>x~</i>Mg~3{-~<i>x</i>}P~4~O~15~ (<i>x</i> σim 0.36), from laboratory X-ray powder data
• Authors of publication: Hong, Jung-Hwa; Song, Seung-Wan; Hong, Seung-Tae
• Journal of publication: Acta Crystallographica Section C
• Year of publication: 2011
• Journal volume: 67
• Journal issue: 1
• Pages of publication: i1 - i3
• a: 6.9443 ± 0.0004 Å
• b: 8.2861 ± 0.0004 Å
• c: 9.0438 ± 0.0005 Å
• α: 90°
• β: 113.816 ± 0.003°
• γ: 90°
• Cell volume: 476.08 ± 0.05 ų
• Cell temperature: 296 K
• Ambient diffraction temperature: 296 K
• Number of distinct elements: 3
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/c 1
• Hall space group symbol: -P 2ybc
• Residual factor for all reflections: 0.0469
• Goodness-of-fit parameter for all reflections: 2.5
• Method of determination: powder diffraction
• Diffraction radiation wavelength: 1.5406 Å
• Diffraction radiation type: CuKα~1~
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes