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Information card for entry 4109080
Preview
| Coordinates | 4109080.cif | 
|---|---|
| Original paper (by DOI) | HTML | 
| External links | ChemSpider; PubChem | 
| Chemical name | [9]metacyclophane | 
|---|---|
| Formula | C18 H24 O5 | 
| Calculated formula | C18 H24 O5 | 
| SMILES | O1C(=O)c2c(c3c(c(c2C1)COCCCCCOC3)COC)C | 
| Title of publication | Enantioselective Synthesis of Planar-Chiral Metacyclophanes through Rhodium-Catalyzed Alkyne Cyclotrimerization | 
| Authors of publication | Ken Tanaka; Hiromi Sagae; Kazuki Toyoda; Keiichi Noguchi; Masao Hirano | 
| Journal of publication | Journal of the American Chemical Society | 
| Year of publication | 2007 | 
| Journal volume | 129 | 
| Pages of publication | 1522 - 1523 | 
| a | 8.7737 ± 0.0005 Å | 
| b | 8.8872 ± 0.0005 Å | 
| c | 20.9878 ± 0.0011 Å | 
| α | 90° | 
| β | 90° | 
| γ | 90° | 
| Cell volume | 1636.49 ± 0.16 Å3 | 
| Cell temperature | 193 K | 
| Ambient diffraction temperature | 193 K | 
| Number of distinct elements | 3 | 
| Space group number | 19 | 
| Hermann-Mauguin space group symbol | P 21 21 21 | 
| Hall space group symbol | P 2ac 2ab | 
| Residual factor for all reflections | 0.0358 | 
| Residual factor for significantly intense reflections | 0.0322 | 
| Weighted residual factors for significantly intense reflections | 0.0806 | 
| Weighted residual factors for all reflections included in the refinement | 0.0839 | 
| Goodness-of-fit parameter for all reflections included in the refinement | 1.105 | 
| Diffraction radiation wavelength | 1.54187 Å | 
| Diffraction radiation type | CuKα | 
| Has coordinates | Yes | 
| Has disorder | No | 
| Has Fobs | No | 
| Revision | Date | Message | Files | 
|---|---|---|---|
| 301832 (current) | 2025-08-20 | Add cross-references to PubChem compounds in COD range 4/10/ Each referenced PubChem compound corresponds to the full crystal structure. | 4109080.cif | 
| 201982 | 2017-10-13 | cif/ Marking COD entries in range 4 that are known to be related to ChemSpider entries using the _cod_related_entry data loop. | 4109080.cif | 
| 178836 | 2016-03-21 | cif/4/10/ (antanas@kurmis) Replacing _[local]_cod_* tags with their equivalents from the COD CIF dictionary in multiple entries in subrange 4/10/90. | 4109080.cif | 
| 120076 | 2014-07-11 | Adding DOIs to range 4/10 structures. | 4109080.cif | 
| 57832 | 2012-05-22 | cif/ Adding structures of 4109080 via cif-deposit CGI script. | 4109080.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.