Information card for entry 8103636

Structure parameters

• Chemical name: (Na0.45 Ca0.55) (Al1.55 Si2.45 O8)
• Formula: Al1.55 Ca0.55 Na0.45 O8 Si2.45
• Calculated formula: Al1.55 Ca0.55 Na0.45 O8 Si2.45
• Title of publication: On the centrosymmetry of intermediate plagioclases
• Authors of publication: Toman, K.; Frueh, A.J.jr.
• Journal of publication: Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik, Kristallchemie (-144,1977)
• Year of publication: 1973
• Journal volume: 138
• Pages of publication: 337 - 342
• a: 8.17 Å
• b: 12.86 Å
• c: 7.11 Å
• α: 93.6°
• β: 116.3°
• γ: 89.8°
• Cell volume: 668.125 ų
• Number of distinct elements: 5
• Space group number: 1
• Hermann-Mauguin space group symbol: C 1
• Hall space group symbol: C 1
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No