Information card for entry 7251854

Structure parameters

• Common name: [HMG][TDI]
• Chemical name: hexamethyl guanidinium 4,5-dicyano-2-(trifluoromethyl)imidazolide
• Formula: C13 H18 F3 N7
• Calculated formula: C13 H18 F3 N7
• Title of publication: The Impact of Anion Structure on the Physicochemical and Transport Properties of Hexamethylguanidinium-Based Sodium-Ion Electrolytes
• Authors of publication: Kufel, Lukasz Jan; Debono, Julia; Barrutia, Elene Sasieta; O'Dell, Luke Austin; Wieczorek, Wladyslaw; Forsyth, Craig M.; Forsyth, Maria; Pringle, Jennifer M.
• Journal of publication: Physical Chemistry Chemical Physics
• Year of publication: 2026
• a: 16.8658 ± 0.0003 Å
• b: 15.6883 ± 0.0003 Å
• c: 12.6267 ± 0.0003 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 3340.97 ± 0.12 ų
• Cell temperature: 123 ± 2 K
• Ambient diffraction temperature: 123 ± 2 K
• Number of distinct elements: 4
• Space group number: 64
• Hermann-Mauguin space group symbol: C m c e
• Hall space group symbol: -C 2ac 2
• Residual factor for all reflections: 0.043
• Residual factor for significantly intense reflections: 0.0399
• Weighted residual factors for significantly intense reflections: 0.1092
• Weighted residual factors for all reflections included in the refinement: 0.1127
• Goodness-of-fit parameter for all reflections included in the refinement: 1.089
• Diffraction radiation wavelength: 1.54184 Å
• Diffraction radiation type: CuKα
• Has coordinates: Yes
• Has disorder: Yes
• Has Fobs: No