Information card for entry 4112257

Structure parameters

• Formula: C8 H8 O4
• Calculated formula: C8 H8 O4
• Title of publication: Crystal Structures and Topochemical Polymerizations of 7,7,8,8-Tetrakis(alkoxycarbonyl)quinodimethanes
• Authors of publication: Shinji Nomura; Takahito Itoh; Hirofumi Nakasho; Takahiro Uno; Masataka Kubo; Kazuki Sada; Katsunari Inoue; Mikiji Miyata
• Journal of publication: Journal of the American Chemical Society
• Year of publication: 2004
• Journal volume: 126
• Pages of publication: 2035 - 2041
• a: 8.6023 ± 0.0004 Å
• b: 8.889 ± 0.002 Å
• c: 5.287 ± 0.0006 Å
• α: 96.305 ± 0.004°
• β: 105.636 ± 0.005°
• γ: 87.323 ± 0.008°
• Cell volume: 386.9 ± 0.1 ų
• Cell temperature: 298.2 K
• Number of distinct elements: 3
• Space group number: 2
• Hermann-Mauguin space group symbol: P -1
• Hall space group symbol: -P 1
• Residual factor for significantly intense reflections: 0.0623
• Weighted residual factors for all reflections included in the refinement: 0.1834
• Goodness-of-fit parameter for all reflections included in the refinement: 1.822
• Diffraction radiation wavelength: 0.7107 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No