Information card for entry 7214849

Structure parameters

• Formula: Al Ca Er O4
• Calculated formula: Al Ca Er O4
• Title of publication: Growth, structure and spectral properties of a novel crystal CaErAlO4 for 2.7 μm lasers
• Authors of publication: Zhu, Zhaojie; Zeng, Huiyi; Li, Jianfu; You, Zhenyu; Wang, Yan; Huang, Zixiang; Tu, Chaoyang
• Journal of publication: CrystEngComm
• Year of publication: 2012
• Journal volume: 14
• Journal issue: 21
• Pages of publication: 7423
• a: 3.642 ± 0.0003 Å
• b: 3.642 ± 0.0003 Å
• c: 11.814 ± 0.002 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 156.7 ± 0.03 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 4
• Space group number: 139
• Hermann-Mauguin space group symbol: I 4/m m m
• Hall space group symbol: -I 4 2
• Residual factor for all reflections: 0.0313
• Residual factor for significantly intense reflections: 0.0278
• Weighted residual factors for significantly intense reflections: 0.0596
• Weighted residual factors for all reflections included in the refinement: 0.0611
• Goodness-of-fit parameter for all reflections included in the refinement: 1.093
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No