Information card for entry 4124925

Structure parameters

• Chemical name: 2014/7
• Formula: As2 Ca Co1.87
• Calculated formula: As2 Ca Co1.874
• Title of publication: A Transition from Localized to Strongly Correlated Electron Behavior and Mixed Valence Driven by Physical or Chemical Pressure in ACo2As2 (A = Eu and Ca).
• Authors of publication: Tan, Xiaoyan; Fabbris, Gilberto; Haskel, Daniel; Yaroslavtsev, Alexander A.; Cao, Huibo; Thompson, Corey M.; Kovnir, Kirill; Menushenkov, Alexey P.; Chernikov, Roman V.; Garlea, V. Ovidiu; Shatruk, Michael
• Journal of publication: Journal of the American Chemical Society
• Year of publication: 2016
• Journal volume: 138
• Journal issue: 8
• Pages of publication: 2724 - 2731
• a: 3.9927 ± 0.0002 Å
• b: 3.9927 ± 0.0002 Å
• c: 10.3133 ± 0.0006 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 164.411 ± 0.015 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 3
• 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: 0.0204
• Residual factor for significantly intense reflections: 0.02
• Weighted residual factors for significantly intense reflections: 0.0476
• Weighted residual factors for all reflections included in the refinement: 0.0477
• Goodness-of-fit parameter for all reflections included in the refinement: 1.161
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No