Information card for entry 9009999

Structure parameters

• Mineral name: Archerite
• Formula: H2 K O4 P
• Calculated formula: H2 K O4 P
• Title of publication: The crystal structure of tetragonal KH2PO4 and KD2PO4 as a function of temperature Sample: T = 127 K
• Authors of publication: Nelmes, R. J.; Meyer, G. M.; Tibballs, J. E.
• Journal of publication: Journal of Physics C: Solid State Physics
• Year of publication: 1982
• Journal volume: 15
• Pages of publication: 59 - 75
• a: 7.4264 Å
• b: 7.4264 Å
• c: 6.931 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 382.254 ų
• Ambient diffraction temperature: 127 K
• Number of distinct elements: 4
• Space group number: 122
• Hermann-Mauguin space group symbol: I -4 2 d
• Hall space group symbol: I -4 2bw
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No