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Information card for entry 2240417
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| Coordinates | 2240417.cif | 
|---|---|
| Structure factors | 2240417.hkl | 
| Original IUCr paper | HTML | 
| External links | PubChem | 
| Chemical name | 3,9-Bis(2,6-difluorophenyl)-2,4,8,10-tetraoxaspiro[5.5]undecane | 
|---|---|
| Formula | C19 H16 F4 O4 | 
| Calculated formula | C19 H16 F4 O4 | 
| SMILES | C12(COC(c3c(cccc3F)F)OC1)COC(OC2)c1c(cccc1F)F | 
| Title of publication | Crystal structure of <i>rac</i>-3,9-bis(2,6-difluorophenyl)-2,4,8,10-tetraoxaspiro[5.5]undecane | 
| Authors of publication | Chen, Liang; Li, Zhengyi; Jin, Linlin; Sun, Xiaoqiang; Wang, Zhiming | 
| Journal of publication | Acta Crystallographica Section E | 
| Year of publication | 2015 | 
| Journal volume | 71 | 
| Journal issue | 2 | 
| Pages of publication | o127 - o128 | 
| a | 28.96 ± 0.005 Å | 
| b | 5.5627 ± 0.0011 Å | 
| c | 11.205 ± 0.002 Å | 
| α | 90° | 
| β | 95.442 ± 0.004° | 
| γ | 90° | 
| Cell volume | 1796.9 ± 0.6 Å3 | 
| Cell temperature | 296 ± 2 K | 
| Ambient diffraction temperature | 296 ± 2 K | 
| Number of distinct elements | 4 | 
| Space group number | 15 | 
| Hermann-Mauguin space group symbol | C 1 2/c 1 | 
| Hall space group symbol | -C 2yc | 
| Residual factor for all reflections | 0.0554 | 
| Residual factor for significantly intense reflections | 0.0501 | 
| Weighted residual factors for significantly intense reflections | 0.1423 | 
| Weighted residual factors for all reflections included in the refinement | 0.1483 | 
| Goodness-of-fit parameter for all reflections included in the refinement | 1.005 | 
| Diffraction radiation wavelength | 0.71073 Å | 
| Diffraction radiation type | MoKα | 
| 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. | 2240417.cif 2240417.hkl | 
| 181904 | 2016-04-06 | hkl/2/24/ (antanas@echidna) Adding IUCr specific svn headers to multiple entries in subrange 2/24/04 | 2240417.cif 2240417.hkl | 
| 181324 | 2016-04-03 | hkl/2/24/ (antanas@echidna) Replacing _[local]_cod_* tags with their equivalents from the COD CIF dictionary in multiple entries in subrange 2/24/04. | 2240417.cif 2240417.hkl | 
| 176809 | 2016-02-21 | cif/ (antanas@kurmis) Replacing _[local]_cod_* tags with their equivalents from the COD CIF dictionary in multiple entries in range 2. | 2240417.cif 2240417.hkl | 
| 130104 | 2015-01-25 | cif/ hkl/ Adding structures of 2240417 via cif-deposit CGI script. | 2240417.cif 2240417.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.