Abstract
In the cation of the title salt, C16H14Cl2N3S+·Br-, the central thia-zolidine ring adopts an envelope conformation. The phenyl ring is disordered over two sites with a refined occupancy ratio of 0.541 (9):0.459 (9). In the crystal, C-H⋯Br and N-H⋯Br hydrogen bonds link the components into a three-dimensional network with the cations and anions stacked along the b-axis direction. Weak C-H⋯π inter-actions, which only involve the minor disorder component of the ring, also contribute to the mol-ecular packing. In addition, there are also inversion-related Cl⋯Cl halogen bonds and C-Cl⋯π (ring) contacts. A Hirshfeld surface analysis was conducted to verify the contributions of the different inter-molecular inter-actions.
Highlights
In the cation of the title salt, C16H14Cl2N3S+ÁBrÀ, the central thiazolidine ring adopts an envelope conformation
The phenyl ring is disordered over two sites with a refined occupancy ratio of 0.541 (9):0.459 (9)
C—HÁ Á ÁBr and N—HÁ Á ÁBr hydrogen bonds link the components into a three-dimensional network with the cations and anions stacked along the b-axis direction
Summary
Schiff bases of heterocyclic amines and their complexes have attracted attention over the past decades due to the relatively easy synthesis, and in view of their potential biological, pharmacological and analytical applications (Akbari et al, 2017; Gurbanov et al, 2018a,b; Hazra et al, 2018; Kvyatkovskaya et al, 2017; Mahmoudi et al, 2016, 2017a,b, 2018a,b; Mitoraj et al, 2018; Shetnev et al, 2017). We report strong charge-assisted hydrogen bonds and halogen bonding in the structure of (E)3-[(2,3-dichlorobenzylidene)amino]-5-phenylthiazolidin-2iminium bromide
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