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Information card for entry 2019996
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| Coordinates | 2019996.cif | 
|---|---|
| Structure factors | 2019996.hkl | 
| Original IUCr paper | HTML | 
| External links | PubChem | 
| Chemical name | <i>L</i>-Norvalinium hydrogen maleate–<i>L</i>-norvaline (1/1) | 
|---|---|
| Formula | C14 H26 N2 O8 | 
| Calculated formula | C14 H26 N2 O8 | 
| Title of publication | New hydrophobic <small>L</small>-amino acid salts: maleates of <small>L</small>-leucine, <small>L</small>-isoleucine and <small>L</small>-norvaline | 
| Authors of publication | Arkhipov, Sergey G.; Rychkov, Denis A.; Pugachev, Alexey M.; Boldyreva, Elena V. | 
| Journal of publication | Acta Crystallographica Section C | 
| Year of publication | 2015 | 
| Journal volume | 71 | 
| Journal issue | 7 | 
| a | 12.2269 ± 0.0006 Å | 
| b | 5.30779 ± 0.00017 Å | 
| c | 15.4678 ± 0.0006 Å | 
| α | 90° | 
| β | 113.055 ± 0.005° | 
| γ | 90° | 
| Cell volume | 923.65 ± 0.07 Å3 | 
| Cell temperature | 298 K | 
| Ambient diffraction temperature | 298 K | 
| Number of distinct elements | 4 | 
| Space group number | 4 | 
| Hermann-Mauguin space group symbol | P 1 21 1 | 
| Hall space group symbol | P 2yb | 
| Residual factor for all reflections | 0.0569 | 
| Residual factor for significantly intense reflections | 0.048 | 
| Weighted residual factors for significantly intense reflections | 0.1058 | 
| Weighted residual factors for all reflections included in the refinement | 0.1136 | 
| Goodness-of-fit parameter for all reflections included in the refinement | 1.081 | 
| Diffraction radiation wavelength | 0.71073 Å | 
| Diffraction radiation type | MoKα | 
| Has coordinates | Yes | 
| Has disorder | Yes | 
| Has Fobs | Yes | 
| Revision | Date | Message | Files | 
|---|---|---|---|
| 301798 (current) | 2025-08-19 | Add cross-references to PubChem compounds in COD range 2/01 Each referenced PubChem compound corresponds to the full crystal structure. | 2019996.cif 2019996.hkl | 
| 181869 | 2016-04-06 | hkl/2/01/ (antanas@echidna) Adding IUCr specific svn headers to multiple entries in subrange 2/01/99. | 2019996.cif 2019996.hkl | 
| 139369 | 2015-06-19 | cif/ hkl/ Adding structures of 2019994, 2019995, 2019996 via cif-deposit CGI script. | 2019996.cif 2019996.hkl | 
          All data in the COD and the database itself are dedicated to the
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          Users of the data should acknowledge the original authors of the
          structural data.