Information card for entry 7161021

Structure parameters

• Common name: ram_n_25_r3_a
• Formula: C21 H21 N3 O5
• Calculated formula: C21 H21 N3 O5
• Title of publication: C(3)-H alkenylation of quinoxalin-2(1<i>H</i>)-ones with Hantzsch esters and <i>in silico</i> studies.
• Authors of publication: Kumar, Saurabh; Pathak, Amit Kumar; Newar, Uma Devi; Nayak, Abhimanyu; Bora, Monjuri; Sarmah, Hrishikesh; Ghosh, Subrata; Maurya, Ram Awatar
• Journal of publication: Organic & biomolecular chemistry
• Year of publication: 2026
• Journal volume: 24
• Journal issue: 4
• Pages of publication: 921 - 933
• a: 9.3689 ± 0.0004 Å
• b: 20.2488 ± 0.0011 Å
• c: 19.9947 ± 0.0009 Å
• α: 90°
• β: 90.219 ± 0.002°
• γ: 90°
• Cell volume: 3793.1 ± 0.3 ų
• Cell temperature: 304 ± 2 K
• Ambient diffraction temperature: 304 ± 2 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 all reflections: 0.0765
• Residual factor for significantly intense reflections: 0.0497
• Weighted residual factors for significantly intense reflections: 0.1289
• Weighted residual factors for all reflections included in the refinement: 0.1514
• Goodness-of-fit parameter for all reflections included in the refinement: 1.051
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: Yes
• Has Fobs: No