Information card for entry 4107845

Structure parameters

• Chemical name: (E)-2-[1-(2,5-dimethyl-3-furyl)-2-methylpropylidene]-3-isopropylidenesuccinic anhydride
• Formula: C17 H20 O4
• Calculated formula: C17 H20 O4
• Title of publication: X-ray Diffraction Analysis of Photochromic Reaction of Fulgides: Crystalline State Reaction Induced by Two-Photon Excitation
• Authors of publication: Jun Harada; Ryo Nakajima; Keiichiro Ogawa
• Journal of publication: Journal of the American Chemical Society
• Year of publication: 2008
• Journal volume: 130
• Pages of publication: 7085 - 7091
• a: 8.2761 ± 0.001 Å
• b: 18.741 ± 0.002 Å
• c: 10.5382 ± 0.0013 Å
• α: 90°
• β: 111.036 ± 0.002°
• γ: 90°
• Cell volume: 1525.6 ± 0.3 ų
• Cell temperature: 90 K
• Ambient diffraction temperature: 90 K
• Number of distinct elements: 3
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/c 1
• Hall space group symbol: -P 2ybc
• Residual factor for all reflections: 0.1114
• Residual factor for significantly intense reflections: 0.0769
• Weighted residual factors for significantly intense reflections: 0.1742
• Weighted residual factors for all reflections included in the refinement: 0.19
• Goodness-of-fit parameter for all reflections included in the refinement: 1.103
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: Yes
• Has Fobs: No