Information card for entry 2106461

Structure parameters

• Chemical name: Eu4 As2 O
• Formula: As2 Eu4 O
• Calculated formula: As2 Eu4 O
• Title of publication: Europium arsenic oxide Eu4 As2 O . A filled La2 Sb structure and its relation to the K2 Ni F4 and Ge Te U types
• Authors of publication: Wang, Y.; Calvert, L.D.; Taylor, J.B.; Gabe, E.J.
• Journal of publication: Acta Crystallographica B (24,1968-38,1982)
• Year of publication: 1977
• Journal volume: 33
• Pages of publication: 3122 - 3125
• a: 4.7924 Å
• b: 4.7924 Å
• c: 16.1933 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 371.913 ų
• 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
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No