Information card for entry 2106179

Structure parameters

• Chemical name: Ca2 Mg (Si2 O7)
• Formula: Ca2 Mg O7 Si2
• Calculated formula: Ca2 Mg O7 Si2
• Title of publication: Five-dimensional structure refinement of natural melilite, (Ca1.89 Sr0.01 Na0.08 K0.02) (Mg0.92 Al0.08) (Si1.98 Al0.02) O7
• Authors of publication: Bindi, L.; Chapuis, G.; Bonazzi, P.; Petricek, V.; Dusek, M.
• Journal of publication: Acta Crystallographica B (39,1983-)
• Year of publication: 2001
• Journal volume: 57
• Pages of publication: 739 - 746
• a: 7.86 Å
• b: 7.86 Å
• c: 5.024 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 310.381 ų
• Number of distinct elements: 4
• Space group number: 113
• Hermann-Mauguin space group symbol: P -4 21 m
• Hall space group symbol: P -4 2ab
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No