Information card for entry 2000062

Structure parameters

• Formula: C2 H25 Ca N2 O19.5 P4
• Calculated formula: C4 H36 Ca N4 O33 P8
• Title of publication: Structure of a calcium ethylenediammonium cyclotetraphosphate hydrate
• Authors of publication: Averbuch-Pouchot, M. T.; Durif, A.; Guitel, J. C.
• Journal of publication: Acta Crystallographica, Section C: Crystal Structure Communications
• Year of publication: 1988
• Journal volume: 44
• Journal issue: 7
• Pages of publication: 1189 - 1191
• a: 14.611 ± 0.003 Å
• b: 18.709 ± 0.003 Å
• c: 7.861 ± 0.002 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 2148.86 ų
• Number of distinct elements: 6
• Space group number: 62
• Hermann-Mauguin space group symbol: P n m a
• Hall space group symbol: -P 2ac 2n
• Residual factor for significantly intense reflections: 0.031
• Weighted residual factors for significantly intense reflections: 0.031
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No