Information card for entry 9010625

Structure parameters

• Formula: H8 K Np O9 P
• Calculated formula: H6 K Np O9 P
• Title of publication: The crystal structures of X(NpO2)(PO4)(H2O)3 (X = K+, Na+, Rb+, NH4+) and their relationship to the autunite group Sample: KP1
• Authors of publication: Forbes, T. Z.; Burns, P. C.
• Journal of publication: The Canadian Mineralogist
• Year of publication: 2007
• Journal volume: 45
• Pages of publication: 471 - 477
• a: 6.9564 Å
• b: 6.9564 Å
• c: 17.826 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 862.627 ų
• Number of distinct elements: 5
• Space group number: 130
• Hermann-Mauguin space group symbol: P 4/n c c :2
• Hall space group symbol: -P 4a 2ac
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No