Information card for entry 9011144

Structure parameters

• Formula: Ca4 O9 P2
• Calculated formula: Ca4 O9 P2
• Title of publication: Ca4(PO4)2O, tetracalcium diphosphate monooxide. Crystal structure and relationships to Ca5(PO4)3OH and K3Na(SO4)2 Note: z(O11) corrected to match reported bond lengths
• Authors of publication: Dickens, B.; Brown, W. E.; Kruger, G. J.; Stewart, J. M.
• Journal of publication: Acta Crystallographica, Section B
• Year of publication: 1973
• Journal volume: 29
• Pages of publication: 2046 - 2056
• a: 7.023 Å
• b: 11.986 Å
• c: 9.473 Å
• α: 90°
• β: 90.9°
• γ: 90°
• Cell volume: 797.317 ų
• Number of distinct elements: 3
• Space group number: 4
• Hermann-Mauguin space group symbol: P 1 21 1
• Hall space group symbol: P 2yb
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No