Information card for entry 1530708

Structure parameters

• Chemical name: Pb0.24 Ta (O F)1.56
• Formula: F1.56 O1.56 Pb0.24 Ta
• Calculated formula: F1.56 O1.56 Pb0.236 Ta
• Title of publication: Structures of niobium and tantalum oxide fluorides containing lone-pair ions. V. Pbx M (O, F)3+x/2 (x= ca. 0.25, M= Nb, Ta): A disordered superstructure of the hexagonal tungsten bronze type
• Authors of publication: Savborg, O.
• Journal of publication: Journal of Solid State Chemistry
• Year of publication: 1985
• Journal volume: 57
• Pages of publication: 160 - 165
• a: 7.548 Å
• b: 7.548 Å
• c: 3.941 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 194.447 ų
• Number of distinct elements: 4
• Space group number: 191
• Hermann-Mauguin space group symbol: P 6/m m m
• Hall space group symbol: -P 6 2
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No