Information card for entry 9009467

Structure parameters

• Mineral name: Cumengeite
• Formula: Cl42 Cu20 H40 O40 Pb21
• Calculated formula: Cl42 Cu20 H40 O40 Pb21
• Title of publication: The crystal structure and chemical composition of cumengeite
• Authors of publication: Hawthorne, F. C.; Groat, L. A.
• Journal of publication: Mineralogical Magazine
• Year of publication: 1986
• Journal volume: 50
• Pages of publication: 157 - 162
• a: 15.065 Å
• b: 15.065 Å
• c: 24.436 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 5545.85 ų
• Number of distinct elements: 5
• Space group number: 139
• Hermann-Mauguin space group symbol: I 4/m m m
• Hall space group symbol: -I 4 2
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No