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Information card for entry 2241107
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| Coordinates | 2241107.cif | 
|---|---|
| Structure factors | 2241107.hkl | 
| Original IUCr paper | HTML | 
| External links | PubChem | 
| Common name | (S)-2-Methylaspardic acid | 
|---|---|
| Chemical name | (<i>S</i>)-2-Amino-2-methylsuccinic acid | 
| Formula | C5 H9 N O4 | 
| Calculated formula | C5 H9 N O4 | 
| SMILES | C(=O)([C@@](CC(=O)O)(C)[NH3+])[O-] | 
| Title of publication | Crystal structure of (<i>S</i>)-2-amino-2-methylsuccinic acid | 
| Authors of publication | Fujii, Isao | 
| Journal of publication | Acta Crystallographica Section E | 
| Year of publication | 2015 | 
| Journal volume | 71 | 
| Journal issue | 10 | 
| Pages of publication | o731 - o732 | 
| a | 8.3398 ± 0.0012 Å | 
| b | 9.6725 ± 0.001 Å | 
| c | 8.0671 ± 0.001 Å | 
| α | 90° | 
| β | 95.175 ± 0.005° | 
| γ | 90° | 
| Cell volume | 648.09 ± 0.14 Å3 | 
| Cell temperature | 297 K | 
| Ambient diffraction temperature | 297 ± 2 K | 
| Number of distinct elements | 4 | 
| Space group number | 5 | 
| Hermann-Mauguin space group symbol | C 1 2 1 | 
| Hall space group symbol | C 2y | 
| Residual factor for all reflections | 0.034 | 
| Residual factor for significantly intense reflections | 0.034 | 
| Weighted residual factors for significantly intense reflections | 0.0963 | 
| Weighted residual factors for all reflections included in the refinement | 0.0964 | 
| Goodness-of-fit parameter for all reflections included in the refinement | 1.266 | 
| Diffraction radiation wavelength | 1.54178 Å | 
| Diffraction radiation type | CuKα | 
| Has coordinates | Yes | 
| Has disorder | No | 
| Has Fobs | Yes | 
| Revision | Date | Message | Files | 
|---|---|---|---|
| 301807 (current) | 2025-08-19 | Add cross-references to PubChem compounds in COD range 2/24 Each referenced PubChem compound corresponds to the full crystal structure. | 2241107.cif 2241107.hkl | 
| 181912 | 2016-04-06 | hkl/2/24/ (antanas@echidna) Adding IUCr specific svn headers to multiple entries in subrange 2/24/11. | 2241107.cif 2241107.hkl | 
| 176428 | 2016-02-13 | Replaced deprecated COD CIF data names with their more modern alternatives. The _cod_cif_authors_sg_Hall and _cod_cif_authors_sg_H-M data items were renamed to _cod_original_sg_symbol_Hall and _cod_cif_authors_sg_H-M respectively. | 2241107.cif 2241107.hkl | 
| 158360 | 2015-09-26 | cif/ hkl/ Adding structures of 2241107 via cif-deposit CGI script. | 2241107.cif 2241107.hkl | 
          All data in the COD and the database itself are dedicated to the
          public domain and licensed under the
          
    CC0
    License
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          Users of the data should acknowledge the original authors of the
          structural data.