Information card for entry 7225078

Structure parameters

• Common name: Spirooxindole
• Chemical name: 2'-amino-2,5'-dioxo-5'H-spiro[indoline-3,4'-pyrano[3,2-c]chromene]-3'-carbonitrile
• Formula: C20 H11 N3 O4
• Calculated formula: C20 H11 N3 O4
• SMILES: O1c2c(C3OC(=C(C4(C=3C1=O)c1ccccc1NC4=O)C#N)N)cccc2
• Title of publication: Synthetic, mechanistic and kinetic studies on the organo-nanocatalyzed synthesis of oxygen and nitrogen containing spiro compounds under ultrasonic conditions
• Authors of publication: Singh, Nongthombam Geetmani; Lily, Makroni; Devi, Shougaijam Premila; Rahman, Noimur; Ahmed, Aziz; Chandra, Asit K.; Nongkhlaw, Rishanlang
• Journal of publication: Green Chem.
• Year of publication: 2016
• Journal volume: 18
• Journal issue: 15
• Pages of publication: 4216
• a: 10.3603 ± 0.0015 Å
• b: 13.054 ± 0.002 Å
• c: 14.655 ± 0.003 Å
• α: 75.239 ± 0.015°
• β: 84.652 ± 0.014°
• γ: 69.915 ± 0.014°
• Cell volume: 1800 ± 0.6 ų
• Cell temperature: 291.6 ± 0.2 K
• Ambient diffraction temperature: 291.6 ± 0.2 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: 0.1796
• Residual factor for significantly intense reflections: 0.0942
• Weighted residual factors for significantly intense reflections: 0.2287
• Weighted residual factors for all reflections included in the refinement: 0.2954
• Goodness-of-fit parameter for all reflections included in the refinement: 0.9953
• Diffraction radiation probe: x-ray
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No