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Information card for entry 2018301
Preview
| Coordinates | 2018301.cif | 
|---|---|
| Structure factors | 2018301.hkl | 
| Original IUCr paper | HTML | 
| External links | PubChem | 
| Chemical name | 2,4-diamino-5(4-chlorophenyl)-6-ethylpyrimidine dimethyl sulfoxide monosolvate | 
|---|---|
| Formula | C14 H19 Cl N4 O S | 
| Calculated formula | C14 H19 Cl N4 O S | 
| SMILES | CS(=O)C.CCc1nc(N)nc(c1c1ccc(cc1)Cl)N | 
| Title of publication | A new polymorph and two pseudopolymorphs of pyrimethamine | 
| Authors of publication | Tutughamiarso, Maya; Bolte, Michael | 
| Journal of publication | Acta Crystallographica Section C | 
| Year of publication | 2011 | 
| Journal volume | 67 | 
| Journal issue | 11 | 
| Pages of publication | o428 - o434 | 
| a | 13.5596 ± 0.0009 Å | 
| b | 7.7212 ± 0.0004 Å | 
| c | 16.287 ± 0.0011 Å | 
| α | 90° | 
| β | 111.609 ± 0.005° | 
| γ | 90° | 
| Cell volume | 1585.35 ± 0.18 Å3 | 
| Cell temperature | 173 ± 2 K | 
| Ambient diffraction temperature | 173 ± 2 K | 
| Number of distinct elements | 6 | 
| 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 | 0.0475 | 
| Residual factor for significantly intense reflections | 0.0409 | 
| Weighted residual factors for significantly intense reflections | 0.1048 | 
| Weighted residual factors for all reflections included in the refinement | 0.1096 | 
| Goodness-of-fit parameter for all reflections included in the refinement | 1.002 | 
| 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.  | 
	2018301.cif 2018301.hkl | 
| 180852 | 2016-04-02 | cif/2/01/ (antanas@echidna) Replacing _[local]_cod_* tags with their equivalents from the COD CIF dictionary in multiple entries in subrange 2/01/83.  | 
	2018301.cif 2018301.hkl | 
| 176760 | 2016-02-20 | cif/2/ (antanas@kurmis) Replacing _[local]_cod_* tags with their equivalents from the COD CIF dictionary in multiple entries in subrange 2/01.  | 
	2018301.cif 2018301.hkl | 
| 125873 | 2014-10-25 | cod/ (saulius@koala.ibt.lt) Adding DOIs to 1887 Acta Cryst. CIFs, their DOIs fetched using ACCE codes.  | 
	2018301.cif 2018301.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. | 2018301.cif 2018301.hkl | 
| 31968 | 2012-01-03 | hkl/ Adding automatically assigned IUCr Fobs data for the rest of the year 2001 structures.  | 
	2018301.cif 2018301.hkl | 
| 31121 | 2011-12-12 | ../uploads/cif-deposit/cod/cif Adding structures of 2018300, 2018301, 2018302, 2018303 via cif-deposit CGI script.  | 
	2018301.cif | 
          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.