Information card for entry 2005921

Structure parameters

• Common name: Potassium Tungsten Selenide
• Formula: K2 Se4 W
• Calculated formula: K2 Se4 W
• SMILES: [W](=[Se])(=[Se])([Se-])[Se-].[K+].[K+]
• Title of publication: K~2~WSe~4~
• Authors of publication: Röhnert, D.; Näther, C.; Bensch, W.
• Journal of publication: Acta Crystallographica Section C
• Year of publication: 1997
• Journal volume: 53
• Journal issue: 2
• Pages of publication: 165 - 167
• a: 9.7337 ± 0.0008 Å
• b: 7.2012 ± 0.0006 Å
• c: 12.5976 ± 0.0012 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 883.02 ± 0.13 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 3
• Space group number: 62
• Hermann-Mauguin space group symbol: P n m a
• Hall space group symbol: -P 2ac 2n
• Residual factor for all reflections: 0.0605
• Residual factor for significantly intense reflections: 0.0321
• Weighted residual factors for all reflections: 0.086
• Weighted residual factors for significantly intense reflections: 0.0788
• Goodness-of-fit parameter for all reflections: 1.026
• Goodness-of-fit parameter for significantly intense reflections: 1.136
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No