Information card for entry 7134330

Structure parameters

• Formula: C23 H20 Se2
• Calculated formula: C23 H20 Se2
• Title of publication: Synthesis and photochromism of a turn-on fluorescent diarylethene having benzo[b]selenophene groups as the aryl units
• Authors of publication: Watanabe, Yoshiyuki; Kim, Sunnam; Kosumi, Daisuke; Kitagawa, Daichi; Kobatake, Seiya; Fukaminato, Tsuyoshi
• Journal of publication: Chemical Communications
• Year of publication: 2025
• Journal volume: 61
• Journal issue: 34
• Pages of publication: 6304 - 6307
• a: 9.0615 ± 0.0002 Å
• b: 11.8873 ± 0.0003 Å
• c: 17.2354 ± 0.0005 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1856.54 ± 0.08 ų
• Cell temperature: 100 ± 0.1 K
• Ambient diffraction temperature: 100 ± 2 K
• Number of distinct elements: 3
• Space group number: 19
• Hermann-Mauguin space group symbol: P 21 21 21
• Hall space group symbol: P 2ac 2ab
• Residual factor for all reflections: 0.0431
• Residual factor for significantly intense reflections: 0.0419
• Weighted residual factors for significantly intense reflections: 0.1087
• Weighted residual factors for all reflections included in the refinement: 0.1103
• Goodness-of-fit parameter for all reflections included in the refinement: 1.062
• Diffraction radiation wavelength: 1.54184 Å
• Diffraction radiation type: CuKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No