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Information card for entry 8100720
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| Coordinates | 8100720.cif |
|---|---|
| External links | ChemSpider; PubChem |
| Common name | 2,4,5,7-tetranitrofluorene |
|---|---|
| Formula | C13 H6 N4 O8 |
| Calculated formula | C13 H6 N4 O8 |
| SMILES | c12c3c(Cc1cc(N(=O)=O)cc2N(=O)=O)cc(cc3N(=O)=O)N(=O)=O |
| Title of publication | Crystal structure of 2,4,5,7-tetranitrofluorene, C~26~H~12~N~8~O~16~ |
| Authors of publication | Rubin, J. M.; Mazor, R.; Bernstein, R.; Khodorkovsky, V. |
| Journal of publication | Zeitschrift für Kristallographie - New Crystal Structures |
| Year of publication | 2002 |
| Journal volume | 217 |
| Journal issue | 3 |
| Pages of publication | 439 - 440 |
| a | 12.2952 ± 0.0018 Å |
| b | 10.6567 ± 0.0018 Å |
| c | 20.763 ± 0.003 Å |
| α | 90° |
| β | 94.308 ± 0.007° |
| γ | 90° |
| Cell volume | 2712.7 ± 0.7 Å3 |
| Cell temperature | 295 ± 2 K |
| Ambient diffraction temperature | 295 ± 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 |
| Has coordinates | Yes |
| Has disorder | No |
| Has Fobs | No |
| Revision | Date | Message | Files |
|---|---|---|---|
| 301880 (current) | 2025-08-23 | Add cross-references to PubChem compounds in COD range 8/ Each referenced PubChem compound corresponds to the full crystal structure. |
8100720.cif |
| 202018 | 2017-10-14 | cif/ Marking COD entries in range 8 that are known to be related to ChemSpider entries using the _cod_related_entry data loop. |
8100720.cif |
| 176728 | 2016-02-18 | cif/ (antanas@echidna.ibt.lt) Replacing _[local]_cod_* tags with their equivalents from the COD CIF dictionary in multiple entries in range 8. |
8100720.cif |
| 103374 | 2014-03-03 | cif/8/ (antanas@lokys.ibt.lt) Adding and updating bibliographic information: volume, authors, issue, first page, last page. |
8100720.cif |
| 100680 | 2014-02-06 | cif/8/10/ (antanas@lokys.ibt.lt) Added paper volumes. |
8100720.cif |
| 35911 | 2012-02-28 | cif/ Reorganising ranges 1, 3, 5, 6 and 8 into a prefix-directory tree. |
8100720.cif |
| 20456 | 2011-06-07 | smi/8 A few more SMILES with atoms in special positions including small fixes in some CIFs |
8100720.cif |
| 1059 | 2010-03-30 | Finished fixing uniq tags with mistakes from unrecognised-tag.lst |
8100720.cif |
| 966 | 2010-01-30 | cif/ Adding _cod_database_code tags to all COD entries. Adding tag description to the cif_cod.dic dictionary so that COD entries can be validated. |
8100720.cif |
| 853 | 2009-11-16 | cif/ Reconstructing spacegroup designators from the symmetry operators were possible. The comands used can be found in the log file reformat-spacegroups-2009.11.14.log committed with the current revision. Only lines that contained spacegroup designators were changed, and all files pass vcif test after the conversion. |
8100720.cif |
| 19 | 2008-01-26 | Changing all end-of-line codes from DOS style to UNIX style in all COD CIF files, for more convenient processing: In the cod/cif/ directory: ff \*.cif | xargs perl -i -pe 's/\r\n/\n/' |
8100720.cif |
| 14 | 2008-01-14 | Appending a header with SVN keywords, COD URL and copying policy to all COD CIF files. |
8100720.cif |
| 13 | 2008-01-13 | Setting the svn:keywords property to "Author Date Revision URL Id" for all CIF files in the cod/cif directory. |
8100720.cif |
| 1 | 2007-11-30 | Adding all .cif files from the COD, downloaded in a Cod.zip file on 2007.02.07 (and the same Cod.zip is downloadable today, on 2007.11.29) |
8100720.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.