Information card for entry 8100827

Structure parameters

• Common name: erbium copper diarsenide
• Formula: As2 Cu Er
• Calculated formula: As2 Cu Er
• Title of publication: Refinement of the crystal structure of five ternary arsenides, YCuAs~2~, TbCuAs~2~, DyCuAs~2~, ErCuAs~2~ and TmCuAs~2~
• Authors of publication: Jemetio Feudjio, Jean-Paul; Doert, Thomas; Böttcher, Peter
• Journal of publication: Zeitschrift für Kristallographie - New Crystal Structures
• Year of publication: 2002
• Journal volume: 217
• Journal issue: 4
• Pages of publication: 455 - 457
• a: 3.865 ± 0.001 Å
• b: 3.865 ± 0.001 Å
• c: 9.802 ± 0.002 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 146.42 ± 0.06 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 3
• Space group number: 129
• Hermann-Mauguin space group symbol: P 4/n m m :2
• Hall space group symbol: -P 4a 2a
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No