Information card for entry 1534465

Structure parameters

• Chemical name: Ca9 Fe (P O4)7
• Formula: Ca9 Fe O28 P7
• Calculated formula: Ca9 Fe O28.002 P7
• Title of publication: Ferroelectric phase transition in the whitlockite-type Ca9 Fe (P O4)7: crystal structure of the paraelectric phase at 923 K
• Authors of publication: Lazoryak, B.I.; Morozov, V.A.; Belik, A.A.; Mitberg, E.B.; Lebedev, O.I.; Stefanovich, S.Yu.; Grebenev, V.V.; Leonidov, I.A.; Davydov, S.A.; van Tendeloo, G.
• Journal of publication: Solid State Sciences
• Year of publication: 2004
• Journal volume: 6
• Pages of publication: 185 - 195
• a: 10.3878 Å
• b: 10.3878 Å
• c: 37.8386 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 3536 ų
• Number of distinct elements: 4
• Space group number: 167
• Hermann-Mauguin space group symbol: R -3 c :H
• Hall space group symbol: -R 3 2"c
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No