Information card for entry 2108796

Structure parameters

• Formula: Ba0.87 Ca0.17 Fe0.36 K0.45 Mg0.08 Mn0.24 Na2.46 O18 Si4 Sr0.51 Ti2.86
• Calculated formula: Ba0.87 Ca0.17 Fe0.36 K0.45 Mg0.08 Mn0.24 Na2.46 O18 Si4 Sr0.51 Ti2.86
• Title of publication: Crystal chemistry of lamprophyllite-group minerals from the Murun alkaline complex (Russia) and pegmatites of Rocky Boy and Gordon Butte (USA): single crystal X-ray diffraction and Raman spectroscopy study
• Authors of publication: Aksenov, Sergey M.; Ryanskaya, Anastasia D.; Shchapova, Yuliya V.; Chukanov, Nikita V.; Vladykin, Nikolay V.; Votyakov, Sergey L.; Rastsvetaeva, Ramiza K.
• Journal of publication: Acta Crystallographica Section B
• Year of publication: 2021
• Journal volume: 77
• Journal issue: 2
• a: 19.769 ± 0.0007 Å
• b: 7.1076 ± 0.0001 Å
• c: 5.4065 ± 0.0002 Å
• α: 90°
• β: 96.731 ± 0.003°
• γ: 90°
• Cell volume: 754.43 ± 0.04 ų
• Cell temperature: 293 K
• Ambient diffraction temperature: 293 K
• Number of distinct elements: 11
• Space group number: 12
• Hermann-Mauguin space group symbol: C 1 2/m 1
• Hall space group symbol: -C 2y
• Residual factor for all reflections: 0.0304
• Residual factor for significantly intense reflections: 0.0302
• Weighted residual factors for significantly intense reflections: 0.0496
• Weighted residual factors for all reflections included in the refinement: 0.0497
• Goodness-of-fit parameter for significantly intense reflections: 1.87
• Goodness-of-fit parameter for all reflections included in the refinement: 1.87
• Diffraction radiation probe: x-ray
• Diffraction radiation wavelength: 0.71075 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes