Crystallography Open Database

Information card for entry 8100176

Preview

Coordinates	8100176.cif
External links	ChemSpider

Structure parameters

Formula	C4 H3 F2 N
Calculated formula	C4 H3 F2 N
SMILES	Fc1c[nH]cc1F
Title of publication	Crystal structure of 3,4-difluoro-1H-pyrrole, C~4~H~3~F~2~N
Authors of publication	Leroy, Jacques; Bondon, Arnaud; Toupet, Loic; Meerschaut, Alain
Journal of publication	Zeitschrift für Kristallographie - New Crystal Structures
Year of publication	2004
Journal volume	219
Journal issue	4
Pages of publication	389 - 390
a	5.5515 ± 0.0011 Å
b	11.017 ± 0.002 Å
c	13.597 ± 0.003 Å
α	90°
β	90°
γ	90°
Cell volume	831.6 ± 0.3 Å³
Cell temperature	120 ± 1 K
Ambient diffraction temperature	293 ± 2 K
Number of distinct elements	4
Space group number	61
Hermann-Mauguin space group symbol	P b c a
Hall space group symbol	-P 2ac 2ab
Has coordinates	Yes
Has disorder	No
Has F_obs	No

Version history

Revision	Date	Message	Files
202018 (current)	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.	8100176.cif
130149	2015-01-27	cod/ (saulius@kolibris) Deriving Hall space group symbols for 12003 CIFs using the 'cif_filter --estimate-spacegroup' command.	8100176.cif
107867	2014-03-22	cif/8/ (antanas@lokys.ibt.lt) Adding and updating bibliographic information: volume, authors, issue, first page, last page.	8100176.cif
35911	2012-02-28	cif/ Reorganising ranges 1, 3, 5, 6 and 8 into a prefix-directory tree.	8100176.cif
17004	2011-03-31	cif/ Commiting CIFs, that were updated with the 'cif_fix_values' script, using options '--fix-misspelled replacement_values.lst', '--fix-temperature' and '--fix-enums' with built-in table of enum values. The following cmd was used: > (set -x; find ? -name \*.cif \| sort \| xargs -i sh -c 'if !( > cif_fix_values --fix-misspelled ~/../inputs/replacament_values.lst {} \| > cif_filter --add-cif-header {} \| > sponge {} ) 2>&1 \| grep NOTE; then svn revert {}; > fi' ) &	8100176.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.	8100176.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/'	8100176.cif
14	2008-01-14	Appending a header with SVN keywords, COD URL and copying policy to all COD CIF files.	8100176.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.	8100176.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)	8100176.cif