Bis{4-[(Z)-N'-(4-hydroxy­benzyl­idene)hydrazino]-8-(trifluoro­meth­yl)quinolinium} sulfate dihydrate

Jasinski, J. P. and Butcher, Ray J. and Narayana, B. and Sunil, K. and Yathirajan, H. S. (2008) Bis{4-[(Z)-N'-(4-hydroxy­benzyl­idene)hydrazino]-8-(trifluoro­meth­yl)quinolinium} sulfate dihydrate. Acta Crystallographica Section E, 64 (2). o481-o482. ISSN 1600-5368

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The title compound, 2C17H13F3N3O+·SO42-·2H2O, crystallizes with four independent cations (A, B, C and D) in the asymmetric unit, which is composed of two groups of two cations, one anion and two water mol­ecules (Z' = 2). The dihedral angle between the mean planes of the 4-hydroxy­phenyl and quinolinium groups is 8.9 (7)° in A, 30.1 (6)° in B, 28.8 (8)° in C and 12.8 (1)° in D. The crystal packing is stabilized by inter­molecular O-H...O and N-H...O hydrogen bonding between H atoms from 4-hydroxy­phenyl O atoms and the O atoms of nearby water molecules and sulfate anions, as well as H atoms from the N atom of the hydrazino group to O atoms of neighboring sulfate anions, linking the components into chains with the 4-hydroxy­phenyl and quinolinium rings parallel to the (011) plane. There is also an extensive array of inter­molecular hydrogen bonds between water mol­ecules themselves and with sulfate O atoms, as well as hydrogen-bond inter­actions between H atoms from the hydrazino group and sulfate O atoms. In addition, inter­molecular [pi]-[pi] stacking inter­actions occur between nearby 4-hydroxy­phenyl and quinolinium groups, with distances between the centroids of inter­acting rings in the range 3.4140 (9)-3.9659 (9) Å.

Item Type: Article
Subjects: C Chemical Science > Chemistry
Divisions: Department of > Chemistry
Depositing User: Manjula P Library Assistant
Date Deposited: 29 Aug 2019 11:02
Last Modified: 11 Jul 2022 10:05

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