Crystallography Open Database  
  
  - COD Home
- Accessing COD Data
- Add Your Data
- Documentation
Information card for entry 2228363
Preview
| Coordinates | 2228363.cif | 
|---|---|
| Structure factors | 2228363.hkl | 
| Original IUCr paper | HTML | 
| External links | ChemSpider; PubChem | 
| Chemical name | Ethyl 3-(3-oxo-3,4-dihydroquinoxalin-2-yl)propanoate | 
|---|---|
| Formula | C13 H14 N2 O3 | 
| Calculated formula | C13 H14 N2 O3 | 
| SMILES | n1c2c(cccc2)[nH]c(=O)c1CCC(=O)OCC | 
| Title of publication | Ethyl 3-(3-oxo-3,4-dihydroquinoxalin-2-yl)propanoate | 
| Authors of publication | Nasir, Waqar; Munawar, Munawar Ali; Adnan, Ahmad; Ahmad, Saeed; Akbar, Mohammad | 
| Journal of publication | Acta Crystallographica Section E | 
| Year of publication | 2010 | 
| Journal volume | 66 | 
| Journal issue | 12 | 
| Pages of publication | o3224 | 
| a | 8.3138 ± 0.0006 Å | 
| b | 13.6868 ± 0.0008 Å | 
| c | 10.8189 ± 0.0008 Å | 
| α | 90° | 
| β | 102.002 ± 0.003° | 
| γ | 90° | 
| Cell volume | 1204.16 ± 0.14 Å3 | 
| Cell temperature | 296 ± 2 K | 
| Ambient diffraction temperature | 296 ± 2 K | 
| Number of distinct elements | 4 | 
| Space group number | 14 | 
| Hermann-Mauguin space group symbol | P 1 21/n 1 | 
| Hall space group symbol | -P 2yn | 
| Residual factor for all reflections | 0.1489 | 
| Residual factor for significantly intense reflections | 0.0675 | 
| Weighted residual factors for significantly intense reflections | 0.1706 | 
| Weighted residual factors for all reflections included in the refinement | 0.2164 | 
| Goodness-of-fit parameter for all reflections included in the refinement | 0.964 | 
| Diffraction radiation wavelength | 0.71073 Å | 
| Diffraction radiation type | MoKα | 
| Has coordinates | Yes | 
| Has disorder | No | 
| Has Fobs | Yes | 
| Revision | Date | Message | Files | 
|---|---|---|---|
| 301805 (current) | 2025-08-19 | Add cross-references to PubChem compounds in COD range 2/22 Each referenced PubChem compound corresponds to the full crystal structure. | 2228363.cif 2228363.hkl | 
| 201978 | 2017-10-13 | cif/2/ Marking COD entries in range 2/22 that are known to be related to ChemSpider entries using the _cod_related_entry data loop. | 2228363.cif 2228363.hkl | 
| 181204 | 2016-04-03 | hkl/2/22/ (antanas@echidna) Replacing _[local]_cod_* tags with their equivalents from the COD CIF dictionary in multiple entries in subrange 2/22/83. | 2228363.cif 2228363.hkl | 
| 176789 | 2016-02-20 | cif/2/ (antanas@kurmis) Replacing _[local]_cod_* tags with their equivalents from the COD CIF dictionary in multiple entries in subrange 2/22. | 2228363.cif 2228363.hkl | 
| 171761 | 2015-12-30 | cod/ (antanas@echidna.ibt.lt) Removing _chemical_name_common tags with whitespace values from multiple entries in range 2. | 2228363.cif 2228363.hkl | 
| 120072 | 2014-07-11 | Adding DOIs to range 2 structures. | 2228363.cif 2228363.hkl | 
| 88064 | 2013-08-29 | Adding _cod_database_fobs_code data item to all COD CIFs that have Fobs deposited and did not have this data item yet. | 2228363.cif 2228363.hkl | 
| 26848 | 2011-09-28 | cif/2/, hkl/2/, html/ Reorganising CIFs of the range 2* into the "prefix-directory" tree. | 2228363.cif 2228363.hkl | 
| 11387 | 2011-02-15 | hkl/: Adding Reflection data for the recently deposited IUCr-originating structures. | 2228363.cif 2228363.hkl | 
| 5780 | 2011-01-06 | ../uploads/cif-deposit/cod/cif Adding structures of 2228362, 2228363, 2228364, 2228365, 2228366, 2228367, 2228368, 2228369, 2228370, 2228371 via cif-deposit CGI script. | 2228363.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.