1-(2-Hy­dr­oxy­eth­yl)-4-{3-[(E)-2-(tri­fluoro­meth­yl)-9H-thioxanthen-9-yl­­idene]prop­yl}piperazine-1,4-diium bis­­(3-carb­­oxy­prop-2-enoate)

Siddegowda, M. S. and Butcher, Ray J. and Akkurt, Mehmet and Yathirajan, H. S. and Ramesh, A. R. (2011) 1-(2-Hy­dr­oxy­eth­yl)-4-{3-[(E)-2-(tri­fluoro­meth­yl)-9H-thioxanthen-9-yl­­idene]prop­yl}piperazine-1,4-diium bis­­(3-carb­­oxy­prop-2-enoate). Acta Crystallographica Section E, 67 (8). o2017-o2018. ISSN 2056-9890

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Official URL: https://doi.org/10.1107/S160053681102722X


In the title salt, C23H27F3N2OS+·2C4H3O4−, a non-merohedral twin [ratio of the twin components = 0.402 (1):0.598 (1)], the –CF3 group is disordered over two sets of sites with occupancy factors in the ratio 0.873 (2):0.127 (2). The dihedral angle between the two outer aromatic rings of the 9H-thioxanthene unit, whose thio­pyran ring has a screw-boat conformation, is 33.01 (9)°. The diprotonated piperazine ring adopts a chair conformation. In the crystal, inter­molecular O—H⋯O, N—H⋯O and C—H⋯O hydrogen bonds between neighboring mol­ecules form zigzag chains along the a axis and contribute to the stabilization of the packing.

Item Type: Article
Subjects: C Chemical Science > Chemistry
Divisions: Department of > Chemistry
Depositing User: C Swapna Library Assistant
Date Deposited: 30 Oct 2019 09:48
Last Modified: 04 Aug 2022 09:36
URI: http://eprints.uni-mysore.ac.in/id/eprint/9713

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