Information card for entry 1001167

Structure parameters

• Chemical name: Ammonium tantalum tungsten oxide (1/1/1/6)
• Formula: H4 N O6 Ta W
• Calculated formula: H4 N O6 Ta W
• Title of publication: Proprietes d'echanges d'ions de quelques oxydes ternaires de type pyrochlore: les pyrochlores H~1+x~ (H~2~ O) Ta~1+x~ W~1-x~ O~6~ et N H~4~ Ta W O~6~
• Authors of publication: Hervieu, M; Michel, C; Raveau, B
• Journal of publication: Bulletin de la Societe Chimique de France (Vol=Year)
• Year of publication: 1971
• Journal volume: 1971
• Pages of publication: 3939 - 3943
• a: 10.358 ± 0.005 Å
• b: 10.358 ± 0.005 Å
• c: 10.358 ± 0.005 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1111.3 ų
• Number of distinct elements: 5
• Space group number: 227
• Hermann-Mauguin space group symbol: F d -3 m :2
• Hall space group symbol: -F 4vw 2vw 3
• Residual factor for all reflections: 0.09
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No