Information card for entry 2002203

Structure parameters

• Chemical name: Dicalcium diniobate
• Formula: Ca2 Nb2 O7
• Calculated formula: Ca2 Nb2 O7
• Title of publication: Zur Kristallstruktur von Ca2 Nb2 O7
• Authors of publication: Scheunemann, K; Mueller-Buschbaum, Hk
• Journal of publication: Journal of Inorganic and Nuclear Chemistry
• Year of publication: 1974
• Journal volume: 36
• Pages of publication: 1965 - 1970
• a: 26.45699 Å
• b: 5.501 Å
• c: 7.692 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1119.5 ų
• Number of distinct elements: 3
• Space group number: 33
• Hermann-Mauguin space group symbol: P n 21 a
• Hall space group symbol: P -2ac -2n
• Residual factor for all reflections: 0.056
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No