Information card for entry 7042877

Structure parameters

• Formula: C22 H58 K N5 O2 Si2
• Calculated formula: C22 H58 K N5 O2 Si2
• Title of publication: Exploring the solid state and solution structural chemistry of the utility amide potassium hexamethyldisilazide (KHMDS)
• Authors of publication: Ojeda-Amador, Ana I.; Martínez-Martínez, Antonio J.; Robertson, Gemma M.; Robertson, Stuart D.; Kennedy, Alan R.; O'Hara, Charles T.
• Journal of publication: Dalton Trans.
• Year of publication: 2017
• a: 22.8421 ± 0.0006 Å
• b: 16.2474 ± 0.0004 Å
• c: 17.8186 ± 0.0006 Å
• α: 90°
• β: 90.091 ± 0.002°
• γ: 90°
• Cell volume: 6612.9 ± 0.3 ų
• Cell temperature: 123 ± 2 K
• Ambient diffraction temperature: 123 ± 2 K
• Number of distinct elements: 6
• 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: 0.0644
• Residual factor for significantly intense reflections: 0.0505
• Weighted residual factors for significantly intense reflections: 0.1338
• Weighted residual factors for all reflections included in the refinement: 0.1457
• Goodness-of-fit parameter for all reflections included in the refinement: 1.054
• Diffraction radiation wavelength: 1.5418 Å
• Diffraction radiation type: CuKα
• Has coordinates: Yes
• Has disorder: Yes
• Has Fobs: No