Information card for entry 2107430

Structure parameters

• Chemical name: Th2 K2 Na2 Ca2 (Si16 O40)
• Formula: Ca2 K2 Na2 O40 Si16 Th2
• Calculated formula: Ca2 K2 Na2 O40 Si16 Th2
• Title of publication: Structure cristalline de l'ekanite de St-Hilaire, P.Q.
• Authors of publication: Richard, P.; Perrault, G.
• Journal of publication: Acta Crystallographica B (24,1968-38,1982)
• Year of publication: 1972
• Journal volume: 28
• Pages of publication: 1994 - 1999
• a: 7.58 Å
• b: 7.58 Å
• c: 14.77 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 848.631 ų
• Number of distinct elements: 6
• Space group number: 124
• Hermann-Mauguin space group symbol: P 4/m c c
• Hall space group symbol: -P 4 2c
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No