Information card for entry 1524906

Structure parameters

• Chemical name: Ce2 Fe0.5 Mn0.5 Na6.8 Ca2.6 (Be6 Si14 O39.32) O0.88 (O H)5.8 F2
• Formula: Be6 Ca2.6 Ce2 F2 Fe0.5 H5.8 Mn0.5 Na6.8 O46 Si14
• Calculated formula: Be6 Ca2.6 Ce2 F2 Fe0.5 Mn0.5 Na6.8 O46 Si14
• Title of publication: The crystal structure of semenovite
• Authors of publication: Mazzi, F.; Ungaretti, L.; Ronsbo, J.G.; dal Negro, A.; Petersen, O.V.
• Journal of publication: American Mineralogist
• Year of publication: 1979
• Journal volume: 64
• Pages of publication: 202 - 210
• a: 13.879 Å
• b: 13.835 Å
• c: 9.942 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1909.02 ų
• Number of distinct elements: 10
• Space group number: 58
• Hermann-Mauguin space group symbol: P m n n
• Hall space group symbol: -P 2n 2
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No