Information card for entry 9011064

Structure parameters

• Mineral name: Sodium alum
• Formula: Al H24 Na O20 S2
• Calculated formula: Al H24 Na O20 S2
• Title of publication: Refinement of the alum structures. II. X-ray and neutron diffraction of NaAl(SO4)2*12H2O, gamma alum Locality: synthetic
• Authors of publication: Cromer, D. T.; Kay, M. I.; Larson, A. C.
• Journal of publication: Acta Crystallographica
• Year of publication: 1967
• Journal volume: 22
• Pages of publication: 182 - 187
• a: 12.213 Å
• b: 12.213 Å
• c: 12.213 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1821.66 ų
• Number of distinct elements: 5
• Space group number: 205
• Hermann-Mauguin space group symbol: P a -3
• Hall space group symbol: -P 2ac 2ab 3
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No