Information card for entry 1011128

Structure parameters

• Chemical name: Dicalcium diniobate
• Mineral name: Pyrochlore
• Formula: Ca2 Nb2 O7
• Calculated formula: Ca2 Nb2 O7
• Title of publication: Die Kristallstrukturen von Loparit und Pyrochlor.
• Authors of publication: Gaertner, H R von
• Journal of publication: Zentralblatt fuer Mineralogie, Geologie und Palaeontologie, Abt. A (Teil 1)
• Year of publication: 1930
• Journal volume: 61
• Pages of publication: 1 - 30
• a: 10.34 ± 0.02 Å
• b: 10.34 ± 0.02 Å
• c: 10.34 ± 0.02 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1105.5 ų
• Number of distinct elements: 3
• Space group number: 227
• Hermann-Mauguin space group symbol: F d -3 m :1
• Hall space group symbol: F 4d 2 3 -1d
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No