Crystallography Open Database

Information card for entry 4028973

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Structure parameters

Formula	C18 H16 N2 O4
Calculated formula	C18 H16 N2 O4
SMILES	O(C(=O)c1[nH]c2c(cc(OC)cc2)c1C(=O)c1ccncc1)CC
Title of publication	Total synthesis of ellipticine quinones, olivacine, and calothrixin B.
Authors of publication	Ramkumar, Nagarajan; Nagarajan, Rajagopal
Journal of publication	The Journal of organic chemistry
Year of publication	2014
Journal volume	79
Journal issue	2
Pages of publication	736 - 741
a	15.764 ± 0.008 Å
b	6.382 ± 0.003 Å
c	17.533 ± 0.009 Å
α	90°
β	114.882 ± 0.008°
γ	90°
Cell volume	1600.2 ± 1.4 Å³
Cell temperature	298 K
Ambient diffraction temperature	298 K
Number of distinct elements	4
Space group number	14
Hermann-Mauguin space group symbol	P 1 21/n 1
Hall space group symbol	-P 2yn
Residual factor for all reflections	0.1033
Residual factor for significantly intense reflections	0.0971
Weighted residual factors for significantly intense reflections	0.1914
Weighted residual factors for all reflections included in the refinement	0.194
Goodness-of-fit parameter for all reflections included in the refinement	1.363
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.	4028973.cif
178468	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 4/02/89.	4028973.cif
104254	2014-03-10	cif/ Adding structures of 4028973 via cif-deposit CGI script.	4028973.cif