title: The crystal structure of 6-(4-chloro-phen-yl)-2-(4-methyl-benz-yl)imidazo[2,1-b][1,3,4]thia-diazole-5-carbaldehyde.
abstract: In the title imidazo[2,1-b][1,3,4]thia-diazole derivative, C19H14ClN3OS, the 4-methyl-benzyl and chloro-phenyl rings are inclined to the planar imidazo[2,1-b][1,3,4]thia-diazole moiety (r.m.s. deviation = 0.012 Å) by 64.5 (1) and 3.7 (1)°, respectively. The mol-ecular structure is primarily stabilized by a strong intra-molecular C-H⋯O hydrogen bond, leading to the formation of a pseudo-seven-memberedS(7) ring motif, and a short intra-molecular C-H⋯N contact forming anS(5) ring motif. In the crystal, mol-ecules are linked by pairs of C-H⋯S hydrogen bonds, forming inversion dimers. The dimers are linked by C-H⋯O and C-H⋯π inter-actions, forming chains propagating along [110].
authors.affiliation: Department of Physics, M. S. Ramaiah Institute of Technology, Bangalore, India.
authors.forename: A
authors.initials: A
authors.lastname: Sowmya
authors.affiliation: Department of Physics, M. S. Ramaiah Institute of Technology, Bangalore, India.
authors.forename: G N
authors.initials: GN
authors.lastname: Anil Kumar
authors.affiliation: Department of Pharmaceutical Chemistry, KLE University's College of Pharmacy, Bangalore 560 010, India.
authors.forename: Sujeet
authors.initials: S
authors.lastname: Kumar
authors.affiliation: Department of Pharmaceutical Chemistry, KLE University's College of Pharmacy, Bangalore 560 010, India.
authors.forename: Subhas S
authors.initials: SS
authors.lastname: Karki
keywords: C—H⋯π inter­actions; crystal structure; hydrogen bonding; imidazo[2,1-b][1,3,4]thia­diazole