Information card for entry 1577003

Structure parameters

• Formula: C15 H14 N2 O3
• Calculated formula: C15 H14 N2 O3
• Title of publication: From alkynes to spiroindole δ-lactams via a copper-nitrenoid intermediate featuring unusual 1,1-addition and high Z-selectivity
• Authors of publication: Ren, Zhiqiang; Feng, Tianhui; Li, Yeyao; Chu, Mengyi; Zheng, Ye; Gao, Tianli; Han, Bo; Guo, Ruili; Ma, Haojie; Wang, Ji-Jiang; Zhang, Yuqi
• Journal of publication: Chemical Science
• Year of publication: 2026
• a: 10.5758 ± 0.0009 Å
• b: 19.7461 ± 0.0017 Å
• c: 6.5522 ± 0.0007 Å
• α: 90°
• β: 107.7 ± 0.004°
• γ: 90°
• Cell volume: 1303.5 ± 0.2 ų
• Cell temperature: 173 K
• Ambient diffraction temperature: 173 K
• Number of distinct elements: 4
• 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: 0.1053
• Residual factor for significantly intense reflections: 0.0829
• Weighted residual factors for significantly intense reflections: 0.2044
• Weighted residual factors for all reflections included in the refinement: 0.2185
• Goodness-of-fit parameter for all reflections included in the refinement: 1.048
• Diffraction radiation wavelength: 1.54178 Å
• Diffraction radiation type: CuKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No