Crystallography Open Database

Information card for entry 4027714

Preview

Structure parameters

Formula	C21 H14 I N O
Calculated formula	C21 H14 I N O
SMILES	IC1c2c(C(OC=1c1ccccc1)=Nc1ccccc1)cccc2
Title of publication	Iodocyclization of o-Alkynylbenzamides Revisited: Formation of Isobenzofuran-1(3H)-imines and 1H-Isochromen-1-imines Instead of Lactams
Authors of publication	Claudine Schlemmer; Lars Andernach; Dieter Schollmeyer; Bernd F. Straub; Till Opatz
Journal of publication	Journal of Organic Chemistry
Year of publication	2012
Journal volume	77
Pages of publication	10118 - 10124
a	17.3734 ± 0.0007 Å
b	8.1254 ± 0.0004 Å
c	23.7944 ± 0.0016 Å
α	90°
β	90°
γ	90°
Cell volume	3359 ± 0.3 Å³
Cell temperature	193 ± 2 K
Ambient diffraction temperature	193 ± 2 K
Number of distinct elements	5
Space group number	61
Hermann-Mauguin space group symbol	P b c a
Hall space group symbol	-P 2ac 2ab
Residual factor for all reflections	0.0542
Residual factor for significantly intense reflections	0.0333
Weighted residual factors for significantly intense reflections	0.0773
Weighted residual factors for all reflections included in the refinement	0.0838
Goodness-of-fit parameter for all reflections included in the refinement	0.917
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
301812 (current)	2025-08-19	Add cross-references to PubChem compounds in COD range 4/02/ Each referenced PubChem compound corresponds to the full crystal structure.	4027714.cif
201982	2017-10-13	cif/ Marking COD entries in range 4 that are known to be related to ChemSpider entries using the _cod_related_entry data loop.	4027714.cif
178456	2016-03-21	cif/4/02/ (antanas@kurmis) Replacing _[local]_cod_* tags with their equivalents from the COD CIF dictionary in multiple entries in subrange 4/02/77.	4027714.cif
81800	2013-04-17	cif/ Adding structures of 4027714 via cif-deposit CGI script.	4027714.cif