Crystallography Open Database
- COD Home
- Accessing COD Data
- Add Your Data
- Documentation
Information card for entry 7203909
Preview
| Coordinates | 7203909.cif |
|---|---|
| Original paper (by DOI) | HTML |
| External links | PubChem |
| Formula | C21 H20 O |
|---|---|
| Calculated formula | C21 H20 O |
| SMILES | O=C1C(=C2\CCC(c3ccccc3)CC2)\Cc2c1cccc2 |
| Title of publication | Chemoselective, solvent-free aldol condensation reaction |
| Authors of publication | Raston, Colin L.; Scott, Janet L. |
| Journal of publication | Green Chemistry |
| Year of publication | 2000 |
| Journal volume | 2 |
| Journal issue | 2 |
| Pages of publication | 49 |
| a | 12.2718 ± 0.0002 Å |
| b | 7.8706 ± 0.0001 Å |
| c | 16.1076 ± 0.0003 Å |
| α | 90° |
| β | 102.299 ± 0.001° |
| γ | 90° |
| Cell volume | 1520.07 ± 0.04 Å3 |
| Cell temperature | 123 ± 2 K |
| Ambient diffraction temperature | 123 ± 2 K |
| Number of distinct elements | 3 |
| 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 | 0.0641 |
| Residual factor for significantly intense reflections | 0.0448 |
| Weighted residual factors for significantly intense reflections | 0.1089 |
| Weighted residual factors for all reflections included in the refinement | 0.116 |
| Goodness-of-fit parameter for all reflections included in the refinement | 1.053 |
| Diffraction radiation wavelength | 0.71073 Å |
| Diffraction radiation type | MoKα |
| Has coordinates | Yes |
| Has disorder | No |
| Has Fobs | No |
| Revision | Date | Message | Files |
|---|---|---|---|
| 301863 (current) | 2025-08-22 | Add cross-references to PubChem compounds in COD range 7/20/ Each referenced PubChem compound corresponds to the full crystal structure. |
7203909.cif |
| 180370 | 2016-03-26 | cif/7/20/ (antanas@kurmis) Replacing _[local]_cod_* tags with their equivalents from the COD CIF dictionary in multiple entries in subrange 7/20/39. |
7203909.cif |
| 120112 | 2014-07-12 | Adding DOIs to range 7 structures. | 7203909.cif |
| 35909 | 2012-02-26 | cif/7/: reorganising range 7 into a prefix-directory tree. | 7203909.cif |
| 11752 | 2011-02-18 | cif/7/ Redepositing RSC CIFs that were formally processed with an old version of cif_fix_values script. |
7203909.cif |
| 3890 | 2010-12-07 | cif/7/ Adding CIFs with data extracted from New-J-Chem-2004-2000/, Org-Biomol-Chem-2004-2000/ and RSC-2004-2000/. |
7203909.cif |
All data in the COD and the database itself are dedicated to the
public domain and licensed under the
CC0
License
.
Users of the data should acknowledge the original authors of the
structural data.