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In the title compound, [AgCl(C24H24N2)], the terminal phenyl and tetra­methyl­benzene rings [which form a dihedral angle of 87.92 (14)°] make dihedral angles of 59.59 (11) and 83.19 (12)° with respect to the central benzimidazole ring system. The Ag—C and Ag—Cl single-bond lengths are 2.087 (3) and 2.3267 (9) Å. The C—Ag—Cl bond angle is 172.84 (7)°. C—H...π inter­actions contribute to the stabilization of the crystal structure. A very weak π–π stacking inter­action between adjacent tetra­methyl­benzene rings [centroid–centroid distance = 4.0610 (18) Å] is also observed.

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In the title compound, C18H21NO4S, the aromatic rings are almost normal to each other, with a dihedral angle of 89.27 (18)°. The mol­ecular conformation is stabilized by an intra­molecular C—H...O inter­action, which generates an S(6) motif. In the crystal, N—H...O and C—H...O hydrogen bonds lead to the formation of chains propagating along [010]. Neighbouring chains are linked via a C—H...π inter­action. The –CH2CH2CH3 atoms of the butyl group are disordered over two sets of sites, with a refined site-occupancy ratio of 0.536 (16):0.464 (16).

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In the title compound, C16H22ClNS, the nine-membered 2,3-dihydro-1,3-benzothia­zole ring system is essentially planar, with a maximum deviation of 0.025 (2) Å for the N atom. Its plane is almost perpendicular to the main plane of the substituted cyclo­hexane ring, which adopts a chair conformation. In the crystal, the molecules are linked by C—H...π inter­actions.
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