Information card for entry 7135698

Structure parameters

• Formula: C72 H52 Fe4
• Calculated formula: C72 H52 Fe4
• Title of publication: Synthesis of planar chiral biferrocenes by iridium-catalyzed [2+2+2] cycloaddition of biferrocene-linked diynes with nitriles: asymmetric desymmetrization and kinetic resolution.
• Authors of publication: Sawano, Takahiro; Murata, Kayo; Suzaki, Tomoaki; Urasawa, Kazuki; Kobayashi, Manami; Aso, Ryota; Ozasa, Kazuki; Ishikawa, Eri; Takeuchi, Ryo
• Journal of publication: Chemical communications (Cambridge, England)
• Year of publication: 2026
• Journal volume: 62
• Journal issue: 33
• Pages of publication: 8451 - 8455
• a: 12.3172 ± 0.0002 Å
• b: 13.1072 ± 0.0003 Å
• c: 17.4271 ± 0.0003 Å
• α: 87.741 ± 0.002°
• β: 70.757 ± 0.002°
• γ: 73.585 ± 0.002°
• Cell volume: 2543.55 ± 0.09 ų
• Cell temperature: 99.97 ± 0.11 K
• Ambient diffraction temperature: 99.97 ± 0.11 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 all reflections: 0.0315
• Residual factor for significantly intense reflections: 0.0291
• Weighted residual factors for significantly intense reflections: 0.0701
• Weighted residual factors for all reflections included in the refinement: 0.0711
• Goodness-of-fit parameter for all reflections included in the refinement: 1.033
• Diffraction radiation probe: x-ray
• Diffraction radiation wavelength: 1.54184 Å
• Diffraction radiation type: CuKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No