Information card for entry 1521068

Structure parameters

• Chemical name: (Ca1.89 Sm0.11) (Ta1.86 Sm0.05 Ti0.10) O7
• Formula: Ca1.89 O7 Sm0.16 Ta1.86 Ti0.1
• Calculated formula: Ca1.89 O7 Sm0.155 Ta1.86025 Ti0.09475
• Title of publication: New calcium tantalate polytypes in the system Ca2 Ta2 O7 Sm2 Ti2 O7
• Authors of publication: Grey, I.E.; Roth, R.S.
• Journal of publication: Journal of Solid State Chemistry
• Year of publication: 2000
• Journal volume: 150
• Pages of publication: 167 - 177
• a: 7.353 Å
• b: 7.353 Å
• c: 30.264 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 1417.05 ų
• Number of distinct elements: 5
• Space group number: 144
• Hermann-Mauguin space group symbol: P 31
• Hall space group symbol: P 31
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No