Information card for entry 9001705

Structure parameters

• Formula: Ca1.11 Na1.8 O14 Si6
• Calculated formula: Ca1.11 Na1.8 O14 Si6
• Title of publication: Stability and structure of a new high-pressure silicate, Na1.8Ca1.1Si6O14 Sample: data collected on a diffractometer Note: U(2,3) for Si2, Na/Ca altered to match symmetry constraints.
• Authors of publication: Gasparik, T.; Parise, J. B.; Eiben, B. A.; Hriljac, J. A.
• Journal of publication: American Mineralogist
• Year of publication: 1995
• Journal volume: 80
• Pages of publication: 1269 - 1276
• a: 7.903 Å
• b: 7.903 Å
• c: 4.595 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 248.542 ų
• Number of distinct elements: 4
• Space group number: 150
• Hermann-Mauguin space group symbol: P 3 2 1
• Hall space group symbol: P 3 2"
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No