Information card for entry 1007008

Structure parameters

• Chemical name: Diammonium silicon tetraphosphate
• Formula: H8 N2 O13 P4 Si
• Calculated formula: H8 N2 O13 P4 Si
• Title of publication: Structure cristalline de (NH~4~)~2~SiP~4~O~13~: un nouvel exemple de silicium hexacoordiné
• Authors of publication: Durif, A.; Averbuch-Pouchot, M. T.; Guitel, J. C.
• Journal of publication: Acta Crystallographica, Section B: Structural Crystallography and Crystal Chemistry
• Year of publication: 1976
• Journal volume: 32
• Journal issue: 11
• Pages of publication: 2957 - 2960
• a: 15.14 ± 0.01 Å
• b: 7.684 ± 0.005 Å
• c: 4.861 ± 0.005 Å
• α: 97.86 ± 0.01°
• β: 96.74 ± 0.01°
• γ: 83.89 ± 0.01°
• Cell volume: 554 ų
• Number of distinct elements: 5
• Space group number: 2
• Hermann-Mauguin space group symbol: P -1
• Hall space group symbol: -P 1
• Residual factor for all reflections: 0.035
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No