Crystallography Open Database

Information card for entry 7217997

Preview

Coordinates	7217997.cif
Original paper (by DOI)	HTML

Structure parameters

Formula	C18 H21.57 N3 O9.28
Calculated formula	C18 H21 N3 O9
Title of publication	Crystal structures and hydrogen bond analysis of five amino acid conjugates of terephthalic and benzene-1,2,3-tricarboxylic acids
Authors of publication	Karmakar, Anirban; Oliver, Clive L.; Platero-Prats, Ana E.; Laurila, Elina; Öhrström, Lars
Journal of publication	CrystEngComm
Year of publication	2014
Journal volume	16
Journal issue	35
Pages of publication	8243
a	18.3488 ± 0.0005 Å
b	18.3488 ± 0.0005 Å
c	11.1379 ± 0.0006 Å
α	90°
β	90°
γ	120°
Cell volume	3247.5 ± 0.2 Å³
Cell temperature	293 ± 2 K
Ambient diffraction temperature	293 ± 2 K
Number of distinct elements	4
Space group number	148
Hermann-Mauguin space group symbol	R -3 :H
Hall space group symbol	-R 3
Residual factor for all reflections	0.093
Residual factor for significantly intense reflections	0.0889
Weighted residual factors for significantly intense reflections	0.2394
Weighted residual factors for all reflections included in the refinement	0.2413
Goodness-of-fit parameter for all reflections included in the refinement	1.25
Diffraction radiation wavelength	0.71073 Å
Diffraction radiation type	MoKα
Duplicate of	7216181
Has coordinates	Yes
Has disorder	Yes
Has F_obs	No

Version history

Revision	Date	Message	Files
180510 (current)	2016-03-26	cif/7/21/ (antanas@kurmis) Replacing _[local]_cod_* tags with their equivalents from the COD CIF dictionary in multiple entries in subrange 7/21/79.	7217997.cif
124581	2014-10-05	cif/ (saulius@koala.ibt.lt) Marking up 890 duplicates of COD. The duplicates were indentified as entries havin identical DOIs, cell length parameters and formulae, unspecified or identical RI R-factors, and not already marked as duplicates or suboptimal structures. Furthermore, coordinates had to be identical when comparing results of cif2ref conversion: codsql \ 'select d1.file, d1.doi, d2.file, d2.doi from data as d1 join data as d2 on d1.doi = d2.doi where d1.a = d2.a and d1.b = d2.b and d1.c = d2.c and d1.duplicateof is null and d2.duplicateof is null and d1.optimal is null and d2.optimal is null and (d1.RI is null or d2.RI is null or d1.RI = d2.RI) and d1.file > d2.file and (d1.formula = d2.formula or d1.calcformula = d2.calcformula)' \ -NB \ \| awk '{print $1, $3}' \ \| xargs codid2file \ \| xargs -n2 \ \| xargs -i bash -c ' \ CIF1=$(echo {} \| awk "{print \$1}"); \ CIF2=$(echo {} \| awk "{print \$2}"); \ echo -e "\n=== {} ==="; \ diff -bw -u <(cif2ref $CIF1) <(cif2ref $CIF2)' \ \| perl -00 -ne 'print unless /^(-\|\+)/m' \ \| grep . > ~/duplicates-2014-10-05.lst The resulting '~/duplicates-2014-10-05.lst' was post-processed as follows: awk '{print $2, $3}' duplicates-2014-10-05.lst \ \| xargs -i bash -c ' \ ID2=$(basename $(echo {} \| awk "{print \$2}") .cif); \ CIF1=$(echo {} \| awk "{print \$1}"); \ set -x; echo _cod_duplicate_entry $ID2 >> $CIF1' Structures from one powder diffraction paper were reverted: svn revert /home/saulius/struct/cod/cif/4/12/19/412199[567].cif And two files with more than one duplicate identified were fixed by hand: emacs -nw /home/saulius/struct/cod/cif/7/05/43/7054322.cif emacs -nw /home/saulius/struct/cod/cif/7/05/43/7054325.cif	7217997.cif
123194	2014-09-07	cif/ Adding structures of 7217993, 7217994, 7217995, 7217996, 7217997 via cif-deposit CGI script.	7217997.cif