Information card for entry 2108647

Structure parameters

• Chemical name: Dieuropium tricalcium tetraborate
• Formula: B4 Ca3 Eu2 O12
• Calculated formula: B4 Ca2.9999 Eu2.0001 O12
• Title of publication: Variation of cation distribution with temperature and its consequences on thermal expansion for Ca~3~Eu~2~(BO~3~)~4~
• Authors of publication: Kosyl, Katarzyna M.; Paszkowicz, Wojciech; Shekhovtsov, Alexey N.; Kosmyna, Miron B.; Antonowicz, Jerzy; Olczak, Adam; Fitch, Andrew N.
• Journal of publication: Acta Crystallographica Section B
• Year of publication: 2020
• Journal volume: 76
• Journal issue: 4
• Pages of publication: 554 - 562
• a: 7.20378 ± 0.00002 Å
• b: 15.57492 ± 0.00005 Å
• c: 8.63406 ± 0.00003 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 968.727 ± 0.005 ų
• Cell temperature: 295 K
• Ambient diffraction temperature: 295 K
• Number of distinct elements: 4
• Space group number: 62
• Hermann-Mauguin space group symbol: P n m a
• Hall space group symbol: -P 2ac 2n
• Residual factor R(I) for significantly intense reflections: 6.735
• Goodness-of-fit parameter for all reflections: 4.809
• Method of determination: powder diffraction
• Diffraction radiation wavelength: 0.400218 Å
• Diffraction radiation type: synchrotron
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No