Information card for entry 8103018

Structure parameters

• Chemical name: Potassium Hexa-Aquamagnesium(II) Selenate
• Formula: H12 K2 Mg O14 Se2
• Calculated formula: H12 K2 Mg O14 Se2
• Title of publication: Crystal structure of Tutton's salts K2[MII(H2O)6](SeO4)2, MII = Co, Ni, Zn and refinement of the crystal structure of potassium hexaaquamagnesium(II) selenate, K2[Mg(H2O)6](SeO4)2
• Authors of publication: Harald Euler; Bruno Barbier; Alke Meents; Armin Kirfel
• Journal of publication: Zeitschrift für Kristallographie - New Crystal Structures
• Year of publication: 2009
• Journal volume: 224
• Journal issue: 3
• Pages of publication: 351
• a: 9.264 ± 0.0011 Å
• b: 12.4207 ± 0.0014 Å
• c: 6.2514 ± 0.0008 Å
• α: 90°
• β: 104.286 ± 0.01°
• γ: 90°
• Cell volume: 697.08 ± 0.15 ų
• Cell temperature: 295 ± 2 K
• Ambient diffraction temperature: 295 ± 2 K
• Number of distinct elements: 5
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/a 1
• Hall space group symbol: -P 2yab
• Residual factor for all reflections: 0.0218
• Residual factor for significantly intense reflections: 0.0168
• Weighted residual factors for significantly intense reflections: 0.0336
• Weighted residual factors for all reflections included in the refinement: 0.0345
• Goodness-of-fit parameter for all reflections included in the refinement: 1.104
• Diffraction radiation wavelength: 0.71069 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No