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Information card for entry 4033878
Preview
| Coordinates | 4033878.cif | 
|---|---|
| Original paper (by DOI) | HTML | 
| External links | PubChem | 
| Formula | C28 H14 O4 | 
|---|---|
| Calculated formula | C28 H14 O4 | 
| SMILES | c1(=O)ccc2c(o1)ccc1c2c2c3c4c5ccc(=O)oc5ccc4ccc3ccc2cc1 | 
| Title of publication | Coumarin-Annelated Regioisomeric Heptahelicenes: Influence of Helicity on Excited-State Properties and Chiroptical Properties. | 
| Authors of publication | Mukhopadhyay, Arindam; Jana, Kanyashree; Hossen, Tousif; Sahu, Kalyanasis; Moorthy, Jarugu Narasimha | 
| Journal of publication | The Journal of organic chemistry | 
| Year of publication | 2019 | 
| Journal volume | 84 | 
| Journal issue | 17 | 
| Pages of publication | 10658 - 10668 | 
| a | 14.3827 ± 0.0011 Å | 
| b | 9.2545 ± 0.0007 Å | 
| c | 13.9386 ± 0.0011 Å | 
| α | 90° | 
| β | 90° | 
| γ | 90° | 
| Cell volume | 1855.3 ± 0.2 Å3 | 
| Cell temperature | 100 ± 2 K | 
| Ambient diffraction temperature | 100 ± 2 K | 
| Number of distinct elements | 3 | 
| Space group number | 60 | 
| Hermann-Mauguin space group symbol | P b c n | 
| Hall space group symbol | -P 2n 2ab | 
| Residual factor for all reflections | 0.119 | 
| Residual factor for significantly intense reflections | 0.0633 | 
| Weighted residual factors for significantly intense reflections | 0.1335 | 
| Weighted residual factors for all reflections included in the refinement | 0.1572 | 
| Goodness-of-fit parameter for all reflections included in the refinement | 1.029 | 
| Diffraction radiation wavelength | 0.71073 Å | 
| Diffraction radiation type | MoKα | 
| Has coordinates | Yes | 
| Has disorder | No | 
| Has Fobs | No | 
| Revision | Date | Message | Files | 
|---|---|---|---|
| 301828 (current) | 2025-08-20 | Add cross-references to PubChem compounds in COD range 4/03/ Each referenced PubChem compound corresponds to the full crystal structure.  | 
	4033878.cif | 
| 222451 | 2019-11-04 | cif/ Adding structures of 4033878 via cif-deposit CGI script.  | 
	4033878.cif | 
          All data in the COD and the database itself are dedicated to the
          public domain and licensed under the
          
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    License
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          Users of the data should acknowledge the original authors of the
          structural data.