Information card for entry 9010386

Structure parameters

• Mineral name: Topaz (deuterated)
• Formula: Al2 D2 O6 Si
• Calculated formula: Al2 D2 O6 Si
• Title of publication: Pressure dependence of the hydrogen-bond geometry in topaz-OD from neutron powder diffraction Locality: synthetic Sample: 15 tons, P = 0.7 GPa
• Authors of publication: Komatsu, K.; Kagi, H.; Marshall, W. G.; Kuribayashi, T.; Parise, J. B.; Kudoh, Y.
• Journal of publication: American Mineralogist
• Year of publication: 2008
• Journal volume: 93
• Pages of publication: 217 - 227
• a: 4.7248 Å
• b: 8.925 Å
• c: 8.41 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 354.64 ų
• Ambient diffracton pressure: 700000 kPa
• Number of distinct elements: 4
• Space group number: 62
• Hermann-Mauguin space group symbol: P b n m
• Hall space group symbol: -P 2c 2ab
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No