Information card for entry 1525642

Structure parameters

• Chemical name: Ca9 Er (V O4)7
• Formula: Ca9 Er O28 V7
• Calculated formula: Ca9.019 Er0.981 O28 V7
• Title of publication: Crystal structures of double vanadates Ca9 R (V O4)7. IV. R= Er, Tm, Yb and Lu
• Authors of publication: Belik, A.A.; Dmitrienko, L.O.; Grechkin, S.V.; Morozov, V.A.; Khasanov, S.S.; Lazoryak, B.I.
• Journal of publication: Kristallografiya
• Year of publication: 2000
• Journal volume: 45
• Pages of publication: 976 - 981
• a: 10.8554 Å
• b: 10.8554 Å
• c: 37.967 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 3874.61 ų
• Number of distinct elements: 4
• Space group number: 161
• 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