Crystallography Open Database

Information card for entry 4511515

Preview

Coordinates	4511515.cif
Original paper (by DOI)	HTML

Structure parameters

Common name	Methylpyrazine dicarboxylic acid
Chemical name	5-Methyl-pyrazine-2, 3-dicarboxylic acid
Formula	C7 H6 N2 O4
Calculated formula	C7 H6 N2 O4
SMILES	c1(nc(c(nc1)C(=O)O)C(=O)O)C
Title of publication	MultipleZ‘ in Carboxylic Acid−Pyridine Trimer Synthon and Kagomé Lattice in the Structure of 5-Methylpyrazine-2,3-dicarboxylic Acid
Authors of publication	Babu, N. Jagadeesh; Nangia, Ashwini
Journal of publication	Crystal Growth & Design
Year of publication	2006
Journal volume	6
Journal issue	9
Pages of publication	1995
a	13.6919 ± 0.0016 Å
b	13.6919 ± 0.0016 Å
c	21.789 ± 0.005 Å
α	90°
β	90°
γ	120°
Cell volume	3537.5 ± 1 Å³
Cell temperature	298 ± 2 K
Ambient diffraction temperature	298 ± 2 K
Number of distinct elements	4
Space group number	170
Hermann-Mauguin space group symbol	P 65
Hall space group symbol	P 65
Residual factor for all reflections	0.0861
Residual factor for significantly intense reflections	0.073
Weighted residual factors for significantly intense reflections	0.1382
Weighted residual factors for all reflections included in the refinement	0.1428
Goodness-of-fit parameter for all reflections included in the refinement	1.313
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
179662 (current)	2016-03-24	cif/4/51/ (antanas@kurmis) Replacing _[local]_cod_* tags with their equivalents from the COD CIF dictionary in multiple entries in subrange 4/51/15.	4511515.cif
118633	2014-06-30	cif/ Adding structures of 4511515 via cif-deposit CGI script.	4511515.cif