Crystallography Open Database  
  
  - COD Home
- Accessing COD Data
- Add Your Data
- Documentation
Information card for entry 4320657
Preview
| Coordinates | 4320657.cif | 
|---|---|
| Original paper (by DOI) | HTML | 
| External links | PubChem | 
| Formula | C28 H20 B2 F4 N2 O3 | 
|---|---|
| Calculated formula | C28 H20 B2 F4 N2 O3 | 
| SMILES | O1[B]2(Oc3c(C=[N]2CC[N]2=Cc4c(O[B]12c1ccc(F)cc1F)cccc4)cccc3)c1ccc(F)cc1F | 
| Title of publication | Preparation of Seven- and Eight-Membered Boron Heterocycles from Different Salen Ligands and Arylboronic Acids | 
| Authors of publication | Mario Sánchez; Herbert Höpfl; Maria-Eugenia Ochoa; Norberto Farfán; Rosa Santillan; Susana Rojas-Lima | 
| Journal of publication | Inorganic Chemistry | 
| Year of publication | 2001 | 
| Journal volume | 40 | 
| Pages of publication | 6405 - 6412 | 
| a | 9.735 ± 0.0004 Å | 
| b | 21.4186 ± 0.0009 Å | 
| c | 12.1635 ± 0.0005 Å | 
| α | 90° | 
| β | 100.936 ± 0.001° | 
| γ | 90° | 
| Cell volume | 2490.15 ± 0.18 Å3 | 
| Cell temperature | 293 ± 2 K | 
| Ambient diffraction temperature | 293 ± 2 K | 
| Number of distinct elements | 6 | 
| Space group number | 14 | 
| Hermann-Mauguin space group symbol | P 1 21/c 1 | 
| Hall space group symbol | -P 2ybc | 
| Residual factor for all reflections | 0.079 | 
| Residual factor for significantly intense reflections | 0.0397 | 
| Weighted residual factors for significantly intense reflections | 0.086 | 
| Weighted residual factors for all reflections included in the refinement | 0.0979 | 
| Goodness-of-fit parameter for all reflections included in the refinement | 0.848 | 
| Diffraction radiation wavelength | 0.71073 Å | 
| Diffraction radiation type | MoKα | 
| Has coordinates | Yes | 
| Has disorder | No | 
| Has Fobs | No | 
| Revision | Date | Message | Files | 
|---|---|---|---|
| 301838 (current) | 2025-08-21 | Add cross-references to PubChem compounds in COD range 4/32/ Each referenced PubChem compound corresponds to the full crystal structure. | 4320657.cif | 
| 179309 | 2016-03-23 | cif/4/32/ (antanas@kurmis) Replacing _[local]_cod_* tags with their equivalents from the COD CIF dictionary in multiple entries in subrange 4/32/06. | 4320657.cif | 
| 120105 | 2014-07-12 | Adding DOIs to range 4/32 structures. | 4320657.cif | 
| 34330 | 2012-02-24 | cif/4/ Reorganising CIF range 4 into a prefix tree. | 4320657.cif | 
| 17853 | 2011-04-10 | ../uploads/cif-deposit/cod/cif Adding structures of 4320657 via cif-deposit CGI script. | 4320657.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.