N-(3-Methylphenyl)quinoxalin-2-amine monohydrate

The quinoxaline system in the title hydrate, C(15)H(13)N(3)center dot H(2)O, is roughly planar, the r.m.s. deviation for the 18 non-H atoms being 0.188 angstrom; this conformation features a short intramolecular C-H center dot center dot center dot N(pyrazine) interaction. In the crystal, the amine...

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Main Authors: Ariffin, Azhar, Tiekink, E.R.T., Idris, A., Abdullah, Z., Fairuz, Z.A., Ng, S.W.
Format: Article
Language:en
Published: International Union of Crystallography 2010
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Online Access:http://eprints.um.edu.my/8085/1/Idris-2010-N-%283-Methylphenyl%29qu.pdf
http://eprints.um.edu.my/8085/
http://journals.iucr.org/e/issues/2010/09/00/hb5601/hb5601.pdf
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author Ariffin, Azhar
Tiekink, E.R.T.
Idris, A.
Abdullah, Z.
Fairuz, Z.A.
Ng, S.W.
author_facet Ariffin, Azhar
Tiekink, E.R.T.
Idris, A.
Abdullah, Z.
Fairuz, Z.A.
Ng, S.W.
author_sort Ariffin, Azhar
building UM Library
collection Institutional Repository
content_provider Universiti Malaya
content_source UM Research Repository
continent Asia
country Malaysia
description The quinoxaline system in the title hydrate, C(15)H(13)N(3)center dot H(2)O, is roughly planar, the r.m.s. deviation for the 18 non-H atoms being 0.188 angstrom; this conformation features a short intramolecular C-H center dot center dot center dot N(pyrazine) interaction. In the crystal, the amine H atom forms an N-H center dot center dot center dot O hydrogen bond to the water molecule, which in turn forms two O-H center dot center dot center dot N hydrogen bonds to the pyrazine N atoms of different organic molecules. These interactions lead to supramolecular arrays in the bc plane that are two molecules thick; additional pi-pi interactions stabilize the layers [ ring centroid-centroid distance = 3.5923 (7) angstrom]. The layers stack along the a-axis direction via C-H center dot center dot center dot pi contacts.
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spelling my.um.eprints-80852019-01-31T01:05:30Z http://eprints.um.edu.my/8085/ N-(3-Methylphenyl)quinoxalin-2-amine monohydrate Ariffin, Azhar Tiekink, E.R.T. Idris, A. Abdullah, Z. Fairuz, Z.A. Ng, S.W. QD Chemistry The quinoxaline system in the title hydrate, C(15)H(13)N(3)center dot H(2)O, is roughly planar, the r.m.s. deviation for the 18 non-H atoms being 0.188 angstrom; this conformation features a short intramolecular C-H center dot center dot center dot N(pyrazine) interaction. In the crystal, the amine H atom forms an N-H center dot center dot center dot O hydrogen bond to the water molecule, which in turn forms two O-H center dot center dot center dot N hydrogen bonds to the pyrazine N atoms of different organic molecules. These interactions lead to supramolecular arrays in the bc plane that are two molecules thick; additional pi-pi interactions stabilize the layers [ ring centroid-centroid distance = 3.5923 (7) angstrom]. The layers stack along the a-axis direction via C-H center dot center dot center dot pi contacts. International Union of Crystallography 2010 Article PeerReviewed application/pdf en http://eprints.um.edu.my/8085/1/Idris-2010-N-%283-Methylphenyl%29qu.pdf Ariffin, Azhar and Tiekink, E.R.T. and Idris, A. and Abdullah, Z. and Fairuz, Z.A. and Ng, S.W. (2010) N-(3-Methylphenyl)quinoxalin-2-amine monohydrate. Acta Crystallographica Section E: Structure Reports Online, 66 (9). O2276-U60. ISSN 1600-5368, DOI https://doi.org/10.1107/s1600536810031260 <https://doi.org/10.1107/s1600536810031260>. http://journals.iucr.org/e/issues/2010/09/00/hb5601/hb5601.pdf 10.1107/s1600536810031260
spellingShingle QD Chemistry
Ariffin, Azhar
Tiekink, E.R.T.
Idris, A.
Abdullah, Z.
Fairuz, Z.A.
Ng, S.W.
N-(3-Methylphenyl)quinoxalin-2-amine monohydrate
title N-(3-Methylphenyl)quinoxalin-2-amine monohydrate
title_full N-(3-Methylphenyl)quinoxalin-2-amine monohydrate
title_fullStr N-(3-Methylphenyl)quinoxalin-2-amine monohydrate
title_full_unstemmed N-(3-Methylphenyl)quinoxalin-2-amine monohydrate
title_short N-(3-Methylphenyl)quinoxalin-2-amine monohydrate
title_sort n-(3-methylphenyl)quinoxalin-2-amine monohydrate
topic QD Chemistry
url http://eprints.um.edu.my/8085/1/Idris-2010-N-%283-Methylphenyl%29qu.pdf
http://eprints.um.edu.my/8085/
http://journals.iucr.org/e/issues/2010/09/00/hb5601/hb5601.pdf
url_provider http://eprints.um.edu.my/