Rerefinement of the co-crystal of 4-hydroxypyridine with 4-hydroxypyridinium nitrate

Gao, S. and Ng, S.W. and Zain, Sharifuddin Md and Huo, L.H. and Lu, Z.Z. (2004) Rerefinement of the co-crystal of 4-hydroxypyridine with 4-hydroxypyridinium nitrate. Acta Crystallographica Section E: Structure Reports Online, 60. O2195-O2196. ISSN 1600-5368, DOI

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The crystal structure of the title salt adduct, C5H6NO+.NO3-.C5H5NO, has a C5H6NO+/ C5HNO cation/ molecule assembly ( which lies on an inversion center) whose components are linked through their O atoms by a short hydrogen bond [2.446 (3) Angstrom]. The cation is formally the 4-hydroxypyridinium cation and the neutral component the 4-pyridinone molecule, but the two could not be differentiated as they occupy equivalent positions, with the H atom disordered between them. The nitrogen-bound H atom interacts with the nitrate ion [2.840 ( 1) Angstrom], which lies on another special position of site symmetry 2.

Item Type: Article
Additional Information: Department of Chemistry, Faculty of Science Building, University of Malaya, 50603 Kuala Lumpur, MALAYSIA
Subjects: Q Science > QD Chemistry
Divisions: Faculty of Science > Department of Chemistry
Depositing User: Miss Malisa Diana
Date Deposited: 22 Apr 2013 01:28
Last Modified: 31 Jan 2019 04:08

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