Information card for entry 1001103

Structure parameters

• Chemical name: Strontium tantalosilicate *
• Formula: O26 Si4 Sr3 Ta6
• Calculated formula: O26 Si4 Sr3 Ta6
• Title of publication: De nouveaux oxydes a reseau forme d'octahedres NbO6 (TaO6) et de groupes Si2O7: Les phases A3Ta6Si4O26 (A = Ba,Sr) et K6M6Si4O26 (M = Nb,Ta)
• Authors of publication: Choisnet, J.; Nguyen, N.; Groult, D.; Raveau, B.
• Journal of publication: Materials Research Bulletin
• Year of publication: 1976
• Journal volume: 11
• Pages of publication: 887 - 894
• a: 8.913 Å
• b: 8.913 Å
• c: 7.633 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 525.1 ų
• Number of distinct elements: 4
• Space group number: 189
• Hermann-Mauguin space group symbol: P -6 2 m
• Hall space group symbol: P -6 -2
• Residual factor for all reflections: 0.072
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No