4-(4-Methylphenylsulfonyl)piperazin-1-ium trifluoroacetate

In the title salt, C11H17N2O2S+·CF3COO−, the cation is protonated at the secondary piperazine N atom. The dihedral angle between the benzene ring and the piperazine mean plane is 85.54 (10)°. In the crystal, cations and anions are connected by two types of strong N-H...O hydrogen bonds into chains e...

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Bibliographic Details
Published in:Acta crystallographica. Section E, Structure reports online Structure reports online, 2013-07, Vol.69 (7), p.o1112-o1112
Main Authors: Sreenivasa, S., Mohan, N. R., Madhu Chakrapani Rao, T., Suchetan, P. A., Palakshamurthy, B. S., Vijithkumar
Format: Article
Language:English
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Summary:In the title salt, C11H17N2O2S+·CF3COO−, the cation is protonated at the secondary piperazine N atom. The dihedral angle between the benzene ring and the piperazine mean plane is 85.54 (10)°. In the crystal, cations and anions are connected by two types of strong N-H...O hydrogen bonds into chains extending along [101]. The chains are further assembled into (10-1) layers via stacking interactions between benzene rings of the cations [centroid-centroid distance = 3.7319 (13) Å] and a C-H...O interaction involving a piperazine C-H group and a sulfonyl O atom. Another C-H...O interaction between the piperazine ring and the sulfonyl group connects the ions into a three-dimensional network.
ISSN:1600-5368
1600-5368
DOI:10.1107/S1600536813015900