The crystal structure of the title compound, C(5)H(3)BrN(2)S, shows that bromination of 1H-thieno[2,3-d]imidazole with N-bromo-succinimide in acetonitrile occurs at position 5 of the bicyclic system. The mol-ecule is almost planar, with a mean deviation of 0.015 Å from the least-squares plane through all the non-H atoms. In the crystal, N-H⋯N hydrogen bonds link the mol-ecules into infinite C(4...

In the title compound, C(4)H(4)N(4)O(4), the two nitro groups are twisted with respect to the imidazole plane, making dihedral angles of 24.2 (3) and 33.4 (4)°. In the crystal structure, the mol-ecules are linked through non-classical inter-molecular C-H⋯O hydrogen bonds.

In the asymmetric unit of the title compound, C(9)H(8)N(2)S, there are four symmetry-independent mol-ecules (Z' = 4). The geometrical features of these mol-ecules are quite similar: in the normal probability plots the R(2) correlation factors for bond lengths and angles are generally around 0.95. The twist angles between the imidazole and phenyl rings (which are planar within 3σ) range from 9.0...

In the title compound, C(7)H(8)N(2)O(4)·H(2)O, the imidazole N atom is protonated and one of the carboxyl-ate groups is deprontonated, forming a zwitterion. The two carboxyl groups are are approximately coplanar with the imidazole ring [O-C-C-C torsion angles = -176.8 (2) and 2.9 (4)° for one group and -4.6 (3) and 176.4 (2)° for the other] and have an intra-molecular O-H⋯O hydrogen bond betwee...

In the title mol-ecule, C17H11BrN2, the planes of the anthracene ring system [maximum deviation from the mean plane = 0.036 (3) Å] and the imidazole ring form a dihedral angle of 85.14 (14)°. In the crystal, weak C-H⋯N and C-H⋯Br hydrogen bonds link the mol-ecules into double chains propagating along [01-1]. In addition, π-π stacking inter-actions between pairs of benzene rings are observed, wi...

In the crystal of the title compound, C(15)H(10)N(2)O(3), the molecules are linked together by inter-molecular N-H⋯N hydrogen bonds into chains along the c axis. The crystal structure also shows weak inter-molecular C-H⋯π hydrogen bonds. The three furanyl rings bonded to the imidazole core are not coplanar with the latter; the dihedral angles between the furanyl and imidazole ring planes are 29...

In the title mol-ecule, C(27)H(19)FN(2), the imidazole ring is essentially planar [maximum deviation = 0.004 (1) Å] and makes dihedral angles of 62.80 (6), 36.98 (6), 33.16 (6) and 46.24 (6)°, respectively, with the substituent rings in the 1-, 2-, 4- and 5-positions. No classical hydrogen bonds are observed in the crystal structure.

In the title mol-ecule, C(10)H(12)N(2)O, the dihedral angle between the benzene and imidazole rings is 14.86 (16)°. The approximately planar arrangement of the mol-ecule results in a distance of 2.54 Å between an ortho-H atom of the benzene ring and the double-bonded N atom of the imidazole ring. In the crystal structure, symmetry-related mol-ecules are linked by inter-molecular N-H⋯N hydrogen ...

In the mol-ecule of the title compound, C(10)H(12)N(2), the six- and five-membered rings are almost co-planar, forming a dihedral angle of 3.56 (8)°. In the crystal structure, neighbouring mol-ecules are linked together by inter-molecular N-H⋯N hydrogen bonds into one-dimensional infinite chains along the c axis. The crystal structure, is further stabilized by weak inter-molecular C-H⋯π and π-π...