Information card for entry 7042883

Structure parameters

• Formula: C21 H59 K2 N5 Si4
• Calculated formula: C21 H59 K2 N5 Si4
• 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: 12.1271 ± 0.00015 Å
• b: 19.1298 ± 0.00016 Å
• c: 15.5311 ± 0.00014 Å
• α: 90°
• β: 99.414 ± 0.001°
• γ: 90°
• Cell volume: 3554.52 ± 0.06 ų
• Cell temperature: 123 ± 2 K
• Ambient diffraction temperature: 123 ± 2 K
• Number of distinct elements: 5
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/n 1
• Hall space group symbol: -P 2yn
• Residual factor for all reflections: 0.0367
• Residual factor for significantly intense reflections: 0.0331
• Weighted residual factors for significantly intense reflections: 0.0869
• Weighted residual factors for all reflections included in the refinement: 0.0901
• Goodness-of-fit parameter for all reflections included in the refinement: 1.042
• Diffraction radiation wavelength: 1.54184 Å
• Diffraction radiation type: CuKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No