Information card for entry 2106665

Structure parameters

• Chemical name: Na6 (Si15.96 Al1.98 (Be (O H)0.4 F0.6)2 O39) (H2 O)1.56
• Formula: Al1.98 Be2 F1.2 H3.92 Na6 O41.36 Si15.96
• Calculated formula: Al1.98 Be2 F1.2 Na6 O41.36 Si15.96
• Title of publication: The crystal structure of leifite, Na6 Si16 Al2 (Be O H)2 O39 (H2 O)1.5
• Authors of publication: Coda, A.; Ungaretti, L.; Guista, A.D.
• Journal of publication: Acta Crystallographica B (24,1968-38,1982)
• Year of publication: 1974
• Journal volume: 30
• Pages of publication: 396 - 401
• a: 14.352 Å
• b: 14.352 Å
• c: 4.852 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 865.518 ų
• Number of distinct elements: 7
• Space group number: 164
• Hermann-Mauguin space group symbol: P -3 m 1
• Hall space group symbol: -P 3 2"
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No