Information card for entry 7250409

Structure parameters

• Formula: B2 Ca2 O5
• Calculated formula: B2 Ca2 O5
• Title of publication: Thermal evolution of the Ca2B2O5 crystal structure through γ ↔ β′ ↔ α phase transitions and the crystal structure of the incommensurately modulated β′-phase
• Authors of publication: Kopylova, Yu. O.; Volkov, S. N.; Krzhizhanovskaya, M. G.; Banaru, A. M.; Yukhno, V. A.; Aksenov, S. M.; Bubnova, R. S.
• Journal of publication: CrystEngComm
• Year of publication: 2025
• Journal volume: 27
• Journal issue: 24
• Pages of publication: 4196 - 4208
• a: 3.6396 Å
• b: 5.2104 Å
• c: 11.6194 Å
• α: 90°
• β: 92.307°
• γ: 90°
• Cell volume: 220.169 ų
• Cell temperature: 830 ± 0.6 K
• Ambient diffraction temperature: 830 K
• Number of distinct elements: 3
• 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: 0.1484
• Residual factor for significantly intense reflections: 0.0518
• Weighted residual factors for significantly intense reflections: 0.1035
• Weighted residual factors for all reflections included in the refinement: 0.1198
• Goodness-of-fit parameter for significantly intense reflections: 2.0117
• Goodness-of-fit parameter for all reflections included in the refinement: 1.2209
• Diffraction radiation probe: x-ray
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No