Information card for entry 9017228

Structure parameters

• Mineral name: Gillespite
• Formula: Ba0.5 Cu O10 Si4 Sr0.5
• Calculated formula: Ba2 Cu4 O40 Si16 Sr2
• Title of publication: Equation of state and a high-pressure structural phase transition in the gillespite-structured phase Ba0.5Sr0.5CuSi4O10 Note: P = 4.13 GPa
• Authors of publication: Knight, K. S.; Marshall, W. G.; Henderson, C. M. B.; Chamberlain, A. A.
• Journal of publication: European Journal of Mineralogy
• Year of publication: 2013
• Journal volume: 25
• Pages of publication: 909 - 917
• a: 7.2958 Å
• b: 7.2958 Å
• c: 15.396 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 819.509 ų
• Ambient diffracton pressure: 4130000 kPa
• Number of distinct elements: 5
• Space group number: 130
• Hermann-Mauguin space group symbol: P 4/n c c :2
• Hall space group symbol: -P 4a 2ac
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No