Information card for entry 1563145

Structure parameters

• Formula: Al2 O8 Si2 Sr
• Calculated formula: Al2 O8 Si2 Sr
• Title of publication: Crystal Structure Evolution of Slawsonite SrAl2Si2O8 and Paracelsian BaAl2Si2O8 upon Compression and Decompression
• Authors of publication: Gorelova, Liudmila A.; Pakhomova, Anna S.; Krzhizhanovskaya, Maria G.; Pankin, Dmitrii V.; Krivovichev, Sergey V.; Dubrovinsky, Leonid S.; Kasatkin, Anatoly V.
• Journal of publication: The Journal of Physical Chemistry C
• Year of publication: 2021
• Journal volume: 125
• Journal issue: 23
• Pages of publication: 13014 - 13023
• a: 8.7239 ± 0.0011 Å
• b: 8.507 ± 0.007 Å
• c: 6.5045 ± 0.0013 Å
• α: 90°
• β: 90.697 ± 0.016°
• γ: 90°
• Cell volume: 482.7 ± 0.4 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 4
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/c 1
• Hall space group symbol: -P 2ybc
• Residual factor for all reflections: 0.1226
• Residual factor for significantly intense reflections: 0.0865
• Weighted residual factors for significantly intense reflections: 0.2169
• Weighted residual factors for all reflections included in the refinement: 0.2619
• Goodness-of-fit parameter for all reflections included in the refinement: 1.105
• Diffraction radiation wavelength: 0.41106 Å
• Diffraction radiation type: synchrotron
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No