Information card for entry 4322780

Structure parameters

• Formula: C52 H50 N4 Si3
• Calculated formula: C52 H50 N3 Si2.5
• Title of publication: Crystallographic Studies of Organosilicon Porphyrins: Stereoelectronic Effects of Axial Groups on the Nonplanarity of the Porphyrin Ring
• Authors of publication: Jian-Yu Zheng; Katsuaki Konishi; Takuzo Aida
• Journal of publication: Inorganic Chemistry
• Year of publication: 1998
• Journal volume: 37
• Pages of publication: 2591 - 2594
• a: 12.104 ± 0.003 Å
• b: 18.381 ± 0.004 Å
• c: 20.85 ± 0.004 Å
• α: 90 ± 0°
• β: 100.03 ± 0.02°
• γ: 90 ± 0°
• Cell volume: 4567.9 ± 1.8 ų
• Cell temperature: 298 K
• Number of distinct elements: 4
• Space group number: 15
• Hermann-Mauguin space group symbol: C 1 2/c 1
• Hall space group symbol: -C 2yc
• Residual factor for significantly intense reflections: 0.109
• Weighted residual factors for significantly intense reflections: 0.137
• Goodness-of-fit parameter for significantly intense reflections: 2.68
• Diffraction radiation wavelength: 1.54178 Å
• Diffraction radiation type: CuK-alpha
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No