Crystallography Open Database

Information card for entry 7053758

Preview

Coordinates	7053758.cif
Original paper (by DOI)	HTML

Structure parameters

Formula	C21 H20 N2 O4
Calculated formula	C21 H20 N2 O4
SMILES	[nH]1nc(cc1/C=C/c1cc(OC)c(O)cc1)/C=C/c1cc(OC)c(O)cc1
Title of publication	The annular tautomerism of the curcuminoid NH-pyrazoles
Authors of publication	Cornago, Pilar; Cabildo, Pilar; Claramunt, Rosa M.; Bouissane, Latifa; Pinilla, Elena; Torres, M. Rosario; Elguero, José
Journal of publication	New Journal of Chemistry
Year of publication	2009
Journal volume	33
Journal issue	1
Pages of publication	125
a	8.2394 ± 0.001 Å
b	14.0198 ± 0.0017 Å
c	16.306 ± 0.002 Å
α	90°
β	101.06 ± 0.003°
γ	90°
Cell volume	1848.6 ± 0.4 Å³
Cell temperature	296 ± 2 K
Ambient diffraction temperature	296 ± 2 K
Number of distinct elements	4
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	0.1461
Residual factor for significantly intense reflections	0.0539
Weighted residual factors for significantly intense reflections	0.1279
Weighted residual factors for all reflections included in the refinement	0.1808
Goodness-of-fit parameter for all reflections included in the refinement	0.912
Diffraction radiation wavelength	0.71073 Å
Diffraction radiation type	MoKα
Has coordinates	Yes
Has disorder	No
Has F_obs	No

Version history

Revision	Date	Message	Files
180091 (current)	2016-03-26	cif/7/05/ (antanas@kurmis) Replacing _[local]_cod_* tags with their equivalents from the COD CIF dictionary in multiple entries in subrange 7/05/37.	7053758.cif
96610	2014-01-29	cif/ Adding structures of 7053758, 7053759, 7053760, 7053761 via cif-deposit CGI script.	7053758.cif