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6-Chloro-2-(thio-phen-2-yl)-1-[(thio-phen-2-yl)meth-yl]-1H-benzimidazole.

ABSTRACT: The title compound, C16H11ClN2S2, co-crystallizes with a small amount of the 5-chloro- isomer. The ratio of 6-chloro- to 5-chloro- isomers is 0.969?(2):0.031?(2). One thio-phen-2-yl substitutent displays rotational disorder with 80.6?(4)% of the mol-ecules exhibiting the major orientation. In the crystal, weak C-H?N and C-H?S hydrogen-bonding inter-actions result in chains of mol-ecules parallel to [001].

SUBMITTER: Geiger DK

PROVIDER: S-EPMC3648326 | biostudies-literature | 2013 May

REPOSITORIES: biostudies-literature

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6-Chloro-2-(thio-phen-2-yl)-1-[(thio-phen-2-yl)meth-yl]-1H-benzimidazole.

Geiger David K DK Nellist Michael R MR

Acta crystallographica. Section E, Structure reports online 20130430 Pt 5

The title compound, C16H11ClN2S2, co-crystallizes with a small amount of the 5-chloro- isomer. The ratio of 6-chloro- to 5-chloro- isomers is 0.969 (2):0.031 (2). One thio-phen-2-yl substitutent displays rotational disorder with 80.6 (4)% of the mol-ecules exhibiting the major orientation. In the crystal, weak C-H⋯N and C-H⋯S hydrogen-bonding inter-actions result in chains of mol-ecules parallel to [001]. ...[more]

PMID: 23723946

Similar Datasets

5-Chloro-2-(thio-phen-2-yl)-1-(thio-phen-2-ylmeth-yl)-1H-benzimidazole-6-chloro-2-(thiophen-2-yl)-1-(thiophen-2-ylmethyl)-1H-benzimidazole (0.94/0.06).

Project description:There are two independent mol-ecules in the asymmetric unit of the title compound, C16H11ClN2S2. The structure exhibits rotational disorder of the 2-thio-phen-2-yl substituent in each of the unique mol-ecules with a major:minor component ratio of 0.927?(2):0.073?(2). For one of the symmetry-unique molecules, 6.0?(2)% of the sites are occupied by the 6-chloro-isomer. The major component thio-phene rings make dihedral angles of 38.90?(12) and 36.32?(11)° with the benzimidazole rings in the two independent mol-ecules. In the crystal, mol-ecules are linked into chains parallel to [100] via weak C-H?N inter-actions.

| S-EPMC3790407 | biostudies-literature

5,6-Dimethyl-2-(5-methyl-thio-phen-2-yl)-1-[(5-methyl-thio-phen-2-yl)meth-yl]-1H-benzimidazole.

Project description:The title mol-ecule, C20H20N2S2, is T-shaped and consists of a nearly flat 5,6-dimethyl-2-(5-methyl-thio-phen-2-yl)benzimidazole system approximately perpendicular to the 5-methyl-thio-phen-2-ylmethyl substituent. The 5,6-dimethyl-2-(5-meth-yl-thio-phen-2-yl)benzimidazole system is rotationally disordered about the two imidazole N atoms as approximated by a twofold rotation axis with a refined major/minor occupancy ratio of 0.884 (2):0.116 (2). The benzimidazole ring system is essentially planar, the largest deviations being 0.026 (2) and 0.044 (18) Å in the major and minor components, respectively. The inter-planar angles between the benzimidazole unit and the 5-methyl-thio-phen-2-yl substituent are 10.8 (3) and 8(3)° in the major and minor components, respectively, and the corresponding angles with the 5-methyl-thio-phen-2-ylmethyl substituent are 88.12 (8) and 89.5 (4)°. In the crystal, mol-ecules are oriented with their 2-(5-methyl-thio-phen-2-yl)benzimidazole mean planes approximately parallel to (11[Formula: see text]) and appear to be held together by π-π [2-thiophene⋯imidazole centroid-centroid distance = 4.1383 (7) Å] and C-H⋯π contacts. A weak C-H⋯N hydrogen bond generates infinite chains parallel to [100].

| S-EPMC3998620 | biostudies-literature

2-(Thio-phen-2-yl)-1-(thio-phen-2-ylmeth-yl)-1H-benzimidazole.

Project description:In the title compound, C(16)H(12)N(2)S(2), the thio-phene groups are rotationally disordered over two sets of sites, by approximately 180°, with occupancy ratios of 0.916?(2):0.084?(2) and 0.903?(2):0.097?(2). The major components of the thio-phene and methyl-ene substituted thio-phene rings are canted by 24.06?(12) and 85.07?(10)°, respectively, from the benzimidazole ring system plane and the dihedral angle between the major component thio-phene ring planes is 84.90?(14)°. In the crystal, there is a weak C-H?N hydrogen bond which links mol-ecules into chains.

| S-EPMC3275178 | biostudies-literature

4-Bromo-2-(5-bromo-thio-phen-2-yl)-1-[(5-bromo-thio-phen-2-yl)meth-yl]-5,6-dimethyl-1H-benzimidazole.

Project description:The title compound, C18H13Br3N2S2, was obtained via the reaction of N-bromo-succinamide with 5,6-dimethyl-2-(thio-phen-2-yl)-1-[(thio-phen-2-yl)meth-yl]-1H-benzimidazole. The compound exhibits rotational disorder of the 5-bromo-thio-phen-2-yl substituent with a refined major:minor occupancy ratio of 0.876 (7):0.124 (7). The 5-bromo-thio-phen-2-yl mean plane is canted to the benzimidazole plane by 20.0 (4) and 21 (4)° in the major and minor components, respectively. In the crystal, weak C-H⋯N inter-actions link the mol-ecules into infinite C(7) chains along the 21 axes.

| S-EPMC3998606 | biostudies-literature

5-Bromo-2-(thio-phen-2-yl)-1-(thio-phen-2-ylmeth-yl)-1H-benzimidazole.

Project description:There are two independent mol-ecules in the asymmetric unit of the title compound, C(16)H(11)BrN(2)S(2). In the crystal, weak C-H?N hydrogen bonds and C-H?thio-phene ring inter-actions link the mol-ecules into chains along [100]. The structure exhibits disorder of the 2-thio-phen-2-yl substituent of one of the symmetry-unique mol-ecules with a major:minor component ratio of 0.914?(3):0.086?(3).

| S-EPMC3515228 | biostudies-literature

2-[4-(Tri-fluoro-meth-yl)phen-yl]-1H-benzimidazole.

Project description:In the title compound, C14H9F3N2, the mean planes of the benzimidazole ring system and the tri-fluoro-methyl-substituted benzene ring form a dihedral angle of 30.1?(1)°. In the crystal, mol-ecules are linked by N-H?N hydrogen bonds into chains along [010]. Weak C-H?F hydrogen bonds and a weak C-H?? inter-action connect the chains into a two-dimensional network parallel to (001).

| S-EPMC4120605 | biostudies-literature

2-[4-(Trifluoro-meth-oxy)phen-yl]-1H-benzimidazole.

Project description:In the title compound, C(14)H(9)F(3)N(2)O, the best planes of the benzimidazole group and benzene ring form a dihedral angle of 26.68 (3)°. In the crystal, N-H⋯N hydrogen bonds link the mol-ecules into infinite chains parallel to the c axis. Stacking inter-actions between the benzimidazole groups [centroid-centroid distance = 3.594 (5) Å] assemble the mol-ecules into layers parallel to (100). The trifluoro-methyl group is disordered over three sets of sites with site-occupancy factors of 0.787 (4), 0.107 (7) and 0.106 (7).

| S-EPMC3569794 | biostudies-literature

1-Phenyl-2-[4-(trifluoro-meth-yl)phen-yl]-1H-benzimidazole.

Project description:In the title mol-ecule, C(20)H(13)F(3)N(2), the benzimidazole unit is close to being planar [maximum deviation = 0.012 (1) Å] and forms dihedral angles of 31.43 (7) and 61.45 (9)° with the 4-(trifluoromethyl)phenyl and 1-phenyl rings, respectively; the dihedral angle between these rings is 60.94 (10)°. In the crystal, C-H⋯F hydrogen bonds link the mol-ecules into chains along the c-axis direction. The CF(3) group is rotationally disordered with an occupancy ratio of 0.557 (8):0.443 (8) for the F atoms.

| S-EPMC3569777 | biostudies-literature

2-(4-Meth-oxy-phen-yl)-1-phenyl-1H-benzimidazole.

Project description:In the title compound, C(20)H(16)N(2)O, the 1H-benzimidazole ring forms dihedral angles of 48.00 (6) and 64.48 (6)°, respectively with the benzene and phenyl rings, which are inclined to one another by 58.51 (7)°. In the crystal, weak C-H⋯π inter-actions are the only inter-molecular inter-actions present.

| S-EPMC3569798 | biostudies-literature

1-{5-[2-Chloro-5-(trifluoro-meth-yl)phen-yl]thio-phen-2-yl}ethanone.

Project description:In the title molecule, C(13)H(8)ClF(3)OS, the dihedral angle between the mean planes of 2-chloro-5-(trifluoro-meth-yl)phenyl and tiophene rings is 54.37 (5)°. The acethyl group is twisted by 8.1 (2)° with respect to the thio-phene ring. The CF(3) group is disordered over two sets of sites with occupations of 0.49 (3) and 0.51 (3). The crystal packing features C-H⋯F and C-H⋯O hydrogen bonds, forming dimers which are connected into chains along the c axis by C-H⋯O hydrogen bonds and C-Cl⋯π [Cl⋯π = 3.415 (1) Å and C-Cl⋯π = 151.56 (5)°] inter-actions. The chains are further connected into layers perpendicular to the a axis by C-H⋯O inter-actions.

| S-EPMC3052071 | biostudies-literature

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