5,6-Dimethyl­pyrazine-2,3-dicarb­oxy­lic acid

The asymmetric unit of the title compound, C(8)H(8)N(2)O(4), consists of one complete mol­ecule and a second mol­ecule generated by the application of twofold axis. The mean planes of the two carboxyl groups attached to the pyrazine ring at neighboring positions are twisted by 10.8 (1) and 87.9 (1)°...

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Detalles Bibliográficos
Autor principal: Liu, Fu-Hong
Formato: Online Artículo Texto
Lenguaje:English
Publicado: International Union of Crystallography 2011
Materias:
Organic Papers
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3254478/
https://www.ncbi.nlm.nih.gov/pubmed/22259420
http://dx.doi.org/10.1107/S1600536811052366
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author Liu, Fu-Hong
author_facet Liu, Fu-Hong
author_sort Liu, Fu-Hong
collection PubMed
description The asymmetric unit of the title compound, C(8)H(8)N(2)O(4), consists of one complete mol­ecule and a second mol­ecule generated by the application of twofold axis. The mean planes of the two carboxyl groups attached to the pyrazine ring at neighboring positions are twisted by 10.8 (1) and 87.9 (1)° in the complete molecule and 43.0 (1)° in the symmetry-generated molecule. The crystal packing features O—H⋯N hydrogen bonds, which link the mol­ecules into layers along [101].
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spelling pubmed-32544782012-01-18 5,6-Dimethyl­pyrazine-2,3-dicarb­oxy­lic acid Liu, Fu-Hong Acta Crystallogr Sect E Struct Rep Online Organic Papers The asymmetric unit of the title compound, C(8)H(8)N(2)O(4), consists of one complete mol­ecule and a second mol­ecule generated by the application of twofold axis. The mean planes of the two carboxyl groups attached to the pyrazine ring at neighboring positions are twisted by 10.8 (1) and 87.9 (1)° in the complete molecule and 43.0 (1)° in the symmetry-generated molecule. The crystal packing features O—H⋯N hydrogen bonds, which link the mol­ecules into layers along [101]. International Union of Crystallography 2011-12-14 /pmc/articles/PMC3254478/ /pubmed/22259420 http://dx.doi.org/10.1107/S1600536811052366 Text en © Fu-Hong Liu 2012 http://creativecommons.org/licenses/by/2.0/uk/ This is an open-access article distributed under the terms of the Creative Commons Attribution Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are cited.
spellingShingle Organic Papers
Liu, Fu-Hong
5,6-Dimethyl­pyrazine-2,3-dicarb­oxy­lic acid
title 5,6-Dimethyl­pyrazine-2,3-dicarb­oxy­lic acid
title_full 5,6-Dimethyl­pyrazine-2,3-dicarb­oxy­lic acid
title_fullStr 5,6-Dimethyl­pyrazine-2,3-dicarb­oxy­lic acid
title_full_unstemmed 5,6-Dimethyl­pyrazine-2,3-dicarb­oxy­lic acid
title_short 5,6-Dimethyl­pyrazine-2,3-dicarb­oxy­lic acid
title_sort 5,6-dimethyl­pyrazine-2,3-dicarb­oxy­lic acid
topic Organic Papers
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3254478/
https://www.ncbi.nlm.nih.gov/pubmed/22259420
http://dx.doi.org/10.1107/S1600536811052366
work_keys_str_mv AT liufuhong 56dimethylpyrazine23dicarboxylicacid

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