Information card for entry 9015926

Structure parameters

• Mineral name: Tantalaeschynite-(Eu)
• Formula: Eu O6 Ta2
• Calculated formula: Eu4 O24 Ta8
• Title of publication: Crystal structures of dieuropium(II) ditantalum heptoxide, Eu2Ta2O7 and europium(II) ditantalum hexoxide, EuTa2O6
• Authors of publication: Jacobsen, H.; Lissner, F.; Manek, E.; Meyer, G.
• Journal of publication: Zeitschrift fur Kristallographie
• Year of publication: 1996
• Journal volume: 211
• Pages of publication: 547 - 548
• a: 11.02 Å
• b: 7.64 Å
• c: 5.61 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 472.322 ų
• Number of distinct elements: 3
• Space group number: 62
• Hermann-Mauguin space group symbol: P n m a
• Hall space group symbol: -P 2ac 2n
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No