4-Acetylpiperazinium picrate

Kavitha, C. N. and Kaur, Manpreet and Jasinski, J. P. and Yathirajan, H. S. (2014) 4-Acetylpiperazinium picrate. Acta Crystallographica, Section E: Structure Reports Online, 70 (6). 0717-0718. ISSN 1600-5368

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Official URL: http://dx.doi.org/10.1107/S1600536814011726

Abstract

In the title salt, C6H13N2O+�C6H2N3O7 systematic name: 4- acetylpiperazin-1-ium 2,4,6-trinitrophenolate), the piperazin- 1-ium ring has a slightly distorted chair conformation. In the picrate anion, the mean planes of the two o-NO2 and p-NO2 groups are twisted with respect to the benzene ring by 15.0 (2), 68.9 (4) and 4.4 (3)�, respectively. In the crystal, N—H� � �O hydrogen bonds are observed, linking the ions into an infinite chain along [010]. In addition, weak cation–anion C—H� � �O intermolecular interactions and a weak �–� stacking interaction between the benzene rings of the anions, with an intercentroid distance of 3.771 (8) A ˚ , help to stabilize the crystal packing, giving an overall sheet structure lying parallel to (100). Disorder was modelled for one of the O atoms in one of the o-NO2 groups over two sites with an occupancy ratio of 0.57 (6):0.43 (6)

Item Type: Article
Subjects: Physical Sciences > Chemistry
Divisions: PG Campuses > Manasagangotri, Mysore > Chemistry
Depositing User: Kodandarama
Date Deposited: 02 Jun 2014 05:51
Last Modified: 19 May 2015 06:56
URI: http://eprints.uni-mysore.ac.in/id/eprint/16742

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