Information card for entry 9016498

Structure parameters

• Mineral name: Ussingite
• Formula: Al H Na2 O9 Si3
• Calculated formula: Al H Na2 O9 Si3
• Title of publication: A variable-temperature neutron diffraction study of ussingite; a strong asymmetric hydrogen bond in an aluminosilicate framework Note: T = 4 K
• Authors of publication: Williams, E. R.; Weller, M. T.
• Journal of publication: Physics and Chemistry of Minerals
• Year of publication: 2012
• Journal volume: 39
• Pages of publication: 471 - 478
• a: 7.2474 Å
• b: 7.6813 Å
• c: 8.6432 Å
• α: 90.835°
• β: 99.771°
• γ: 122.581°
• Cell volume: 396.295 ų
• Number of distinct elements: 5
• Space group number: 2
• Hermann-Mauguin space group symbol: P -1
• Hall space group symbol: -P 1
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No