Crystallography Open Database

Information card for entry 8103281

Preview

Coordinates	8103281.cif

Structure parameters

Formula	C20 H22 O5
Calculated formula	C20 H22 O5
SMILES	C1(=O)C=CC([C@H]([C@@]21[C@H]1[C@]3(C(=O)OC2)C(=O)C(=C)[C@@H](C3)CC1)C=O)(C)C
Title of publication	Crystal structure of 2,16-dien-1,15-dion-6,7-seco-7,20-olide-ent-kaur-6-al, C20H22O5
Authors of publication	Lu-Tai Pan; Qi-Ji Li; Ya-Hua Liu; Jing-Jie Zhang; Qi-Long Zhang
Journal of publication	Zeitschrift für Kristallographie - New Crystal Structures
Year of publication	2012
Journal volume	227
Journal issue	1
Pages of publication	81
a	7.7703 ± 0.0018 Å
b	13.761 ± 0.003 Å
c	16.008 ± 0.004 Å
α	90°
β	90°
γ	90°
Cell volume	1711.7 ± 0.7 Å³
Cell temperature	293 ± 2 K
Ambient diffraction temperature	293 ± 2 K
Number of distinct elements	3
Space group number	19
Hermann-Mauguin space group symbol	P 21 21 21
Hall space group symbol	P 2ac 2ab
Residual factor for all reflections	0.0494
Residual factor for significantly intense reflections	0.0407
Weighted residual factors for significantly intense reflections	0.0866
Weighted residual factors for all reflections included in the refinement	0.0908
Goodness-of-fit parameter for all reflections included in the refinement	1.073
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
211175 (current)	2018-09-26	cif/ Removing _chemical_name_systematic and _chemical_name_common data items with placeholder values from 513 entries in range 8.	8103281.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.	8103281.cif
52246	2012-04-09	../uploads/cif-deposit/cod/cif Adding structures of 8103281 via cif-deposit CGI script.	8103281.cif