Information card for entry 1008517

Structure parameters

• Chemical name: Cobalt arsenide (2/1) - α
• Formula: As Co2
• Calculated formula: As Co2
• Title of publication: Analyse comparative des modifications structurales α et β de Co~2~As
• Authors of publication: Artigas, M.; Bacmann, M.; Fruchart, D.; Fruchart, R.; Soubeyroux, J.-L.; Wolfers, P.
• Journal of publication: Comptes Rendus de l'Academie des Sciences, Serie II: Mecanique, Physique, Chimie, Sciences de la Terre et de l'Univers
• Year of publication: 1991
• Journal volume: 313
• Pages of publication: 635 - 640
• a: 11.9867 ± 0.0005 Å
• b: 11.9867 ± 0.0005 Å
• c: 3.5875 ± 0.0002 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 446.4 ų
• Number of distinct elements: 2
• Space group number: 189
• Hermann-Mauguin space group symbol: P -6 2 m
• Hall space group symbol: P -6 -2
• Residual factor for all reflections: 0.025
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No