Information card for entry 9011444

Structure parameters

• Mineral name: Tschermigite
• Formula: Al H28 N O20 S2
• Calculated formula: Al H28 N O20 S2
• Title of publication: X-ray and neutron diffraction study of alums II. The crystal structure of methylammonium aluminium alum III. The crystal structure of ammonium aluminium alum Locality: synthetic Sample: X-ray data
• Authors of publication: Abdeen, A. M.; Will, G.; Schaefer, W.; Kirfel, A.; Bargouth, M. O.; Recker, K.; Weiss, A.
• Journal of publication: Zeitschrift fur Kristallographie
• Year of publication: 1981
• Journal volume: 157
• Journal issue: 3-4
• Pages of publication: 147 - 166
• a: 12.242 Å
• b: 12.242 Å
• c: 12.242 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1834.67 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
• Diffraction radiation probe: x-ray
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No