Information card for entry 7251921

Structure parameters

• Formula: C23 H20 N4 O4
• Calculated formula: C23 H20 N4 O4
• Title of publication: A sustainable one-pot multi-component approach toward the synthesis of symmetric and unsymmetrical spiro heterocycles catalyzed by the Brønsted acidic ionic liquid [CMMIM][BF4]
• Authors of publication: Begum, Rujuma; Maiti, Barnali
• Journal of publication: RSC Advances
• Year of publication: 2026
• Journal volume: 16
• Journal issue: 24
• Pages of publication: 21953 - 21966
• a: 9.18 ± 0.0007 Å
• b: 10.8402 ± 0.0008 Å
• c: 11.1726 ± 0.0009 Å
• α: 71.138 ± 0.003°
• β: 89.122 ± 0.003°
• γ: 73.437 ± 0.003°
• Cell volume: 1004.83 ± 0.14 ų
• Cell temperature: 302 ± 2 K
• Ambient diffraction temperature: 302 ± 2 K
• Number of distinct elements: 4
• Space group number: 2
• Hermann-Mauguin space group symbol: P -1
• Hall space group symbol: -P 1
• Residual factor for all reflections: 0.1059
• Residual factor for significantly intense reflections: 0.0626
• Weighted residual factors for significantly intense reflections: 0.1519
• Weighted residual factors for all reflections included in the refinement: 0.1963
• Goodness-of-fit parameter for all reflections included in the refinement: 1.072
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No