Information card for entry 1007219

Structure parameters

• Chemical name: Tetracalcium tetrapotassium cyclo-tetraphosphate octahydrate
• Formula: Ca4 H16 K4 O44 P12
• Calculated formula: Ca4 H16 K4 O44 P12
• Title of publication: Crystal Structures of Two New Types of cyclo-Tetraphosphates: Tetracalcium tetrapotassium tris(cyclo-tetraphosphate) octahydrate and Calcium disodium cyclo-tetraphosphate 5.5-hydrate
• Authors of publication: Averbuch-Pouchot, M T; Durif, A
• Journal of publication: Acta Crystallographica C (39,1983-)
• Year of publication: 1988
• Journal volume: 44
• Pages of publication: 212 - 216
• a: 20.38 ± 0.01 Å
• b: 12.683 ± 0.005 Å
• c: 7.83 ± 0.002 Å
• α: 90°
• β: 89.31°
• γ: 90°
• Cell volume: 2023.7 ų
• Number of distinct elements: 5
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/a 1
• Hall space group symbol: -P 2yab
• Residual factor for all reflections: 0.031
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No