Crystallography Open Database

Information card for entry 1503794

Preview

Coordinates	1503794.cif
Original paper (by DOI)	HTML

Structure parameters

Formula	C20 H22 O4
Calculated formula	C20 H22 O4
SMILES	C1(CC(=C)C(=C\C(=C/c2ccccc2)C)/C1)(C(=O)OC)C(=O)OC
Title of publication	6Pi e- versus 8pi e- electrocyclization of 1-aryl- and heteroaryl-substituted (1Z,3Z)-1,3,5-hexatrienes: a matter of aromaticity.
Authors of publication	García-Rubín, Silvia; Varela, Jesús A; Castedo, Luis; Saá, Carlos
Journal of publication	Organic letters
Year of publication	2009
Journal volume	11
Journal issue	4
Pages of publication	983 - 986
a	6.121 ± 0.005 Å
b	34.927 ± 0.005 Å
c	8.13 ± 0.005 Å
α	90 ± 0.005°
β	95.221 ± 0.005°
γ	90 ± 0.005°
Cell volume	1730.9 ± 1.8 Å³
Cell temperature	293 ± 2 K
Ambient diffraction temperature	100 ± 2 K
Number of distinct elements	3
Space group number	4
Hermann-Mauguin space group symbol	P 1 21 1
Hall space group symbol	P 2yb
Residual factor for all reflections	0.0994
Residual factor for significantly intense reflections	0.0668
Weighted residual factors for significantly intense reflections	0.1516
Weighted residual factors for all reflections included in the refinement	0.1655
Goodness-of-fit parameter for all reflections included in the refinement	1.038
Diffraction radiation probe	x-ray
Diffraction radiation wavelength	0.7107 Å
Diffraction radiation type	MoKα
Has coordinates	Yes
Has disorder	No
Has F_obs	No

Version history

Revision	Date	Message	Files
176729 (current)	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 1.	1503794.cif
91932	2013-12-28	cif/ (saulius@koala.ibt.lt) Adding DOIs that could be assigned unambiguously to the range 1 CIFs.	1503794.cif
39084	2012-03-07	../uploads/cif-deposit/cod/cif Adding structures of 1503794 via cif-deposit CGI script.	1503794.cif