Information card for entry 9009757

Structure parameters

• Mineral name: Crookesite
• Formula: Cu7 Se4 Tl
• Calculated formula: Cu7 Se4 Tl
• Title of publication: Structure refinement of TlCu7Se4 from X-ray powder profile data Sample: GH Note: Cell parameters are an average of Table 1 values
• Authors of publication: Eriksson, L.; Werner, P. E.; Berger, R.; Meerschaut, A.
• Journal of publication: Journal of Solid State Chemistry
• Year of publication: 1991
• Journal volume: 90
• Pages of publication: 61 - 68
• a: 10.45 Å
• b: 10.45 Å
• c: 3.9708 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 433.621 ų
• Number of distinct elements: 3
• Space group number: 87
• Hermann-Mauguin space group symbol: I 4/m
• Hall space group symbol: -I 4
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No