Three 4-(4-fluorophenyl)piperazin-1-ium salts containing organic anions : supramolecular assembly in one, two and three dimensions
MetadataShow full item record
Three salts containing the 4-(4-fluorophenyl)piperazin-1-ium cation have been prepared and structurally characterized. In 4-(4-fluorophenyl)piperazin-1-ium 2-hydroxy-3,5-dinitrobenzoate, C10H14FN2 +·C7H3N2O7 -, (I), the anion contains an intramolecular O-H···O hydrogen bond, and it has a structure similar to that of the picrate ion. The cations and anions are linked into  chains of rings by a combination of two three-centre N-H··· (O)2 hydrogen bonds. The anion in 4-(4-fluorophenyl)piperazin-1-ium hydrogen oxalate, C10H14FN2 +·C2HO4 -, (II), is planar, and the cations and anions are linked into (100) sheets by multiple hydrogen bonds including two-centre N-H···O, three-centre N-H.. (O)2, O-H···O, C-H···O and C-H··· π(arene) types. In 4-(4-fluorophenyl)piperazin-1-ium hydrogen (2R,3R)-tartrate monohydrate, C10H14FN2 +·C4H5O6 -·H2O, (III), the anion exhibits an approximate non-crystallographic twofold rotation symmetry with antiperiplanar carboxyl groups. A combination of eight hydrogen bonds, encompassing two-and three-centre N-H··· O systems, O-H···O and C-H··· π(arene) types, link the independent components into a three-dimensional framework. Comparisons are made with some related structures.
Chinthal , C H , Yathirajan , H S , Archana , S D , Foro , S & Glidewell , C 2020 , ' Three 4-(4-fluorophenyl)piperazin-1-ium salts containing organic anions : supramolecular assembly in one, two and three dimensions ' , Acta Crystallographica Section E: Crystallographic Communications , vol. 76 , no. 6 , pp. 841-847 . https://doi.org/10.1107/S2056989020006398
Acta Crystallographica Section E: Crystallographic Communications
Copyright © 2020 The Author(s). This is an open-access article distributed under the terms of the Creative Commons Attribution (CC-BY) Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are cited.
DescriptionHSY thanks the University Grants Commission, New Delhi, for the award of a BSR Faculty Fellowship for three years.
Items in the St Andrews Research Repository are protected by copyright, with all rights reserved, unless otherwise indicated.