Information card for entry 1534957

Structure parameters

• Chemical name: Mg7 (Si4 O14 (O H)2)
• Formula: H2 Mg7 O16 Si4
• Calculated formula: H2 Mg7 O16 Si4
• Title of publication: A crystallographic model for hydrous wadsleyite (beta Mg2 Si O4): An ocean in the eath's interior?
• Authors of publication: Smyth, J.R.
• Journal of publication: American Mineralogist
• Year of publication: 1994
• Journal volume: 79
• Pages of publication: 1021 - 1024
• a: 5.6921 Å
• b: 11.46 Å
• c: 8.253 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 538.355 ų
• Number of distinct elements: 4
• Space group number: 51
• Hermann-Mauguin space group symbol: P m m b
• Hall space group symbol: -P 2b 2
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No