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2-(3-Nitro-phen-yl)-4,5-diphenyl-1H-imidazol-3-ium nitrate.

ABSTRACT: In the cation of the title compound, C(21)H(16)N(3)O(2) (+)·NO(3) (-), the N atom in the 3-position of the imidazole ring is protonated. The three pendant aromatic rings are twisted from the plane of the imidazolium ring by dihedral angles of 22.75?(1), 79.63?(1) and 29.65?(1)°. In the crystal structure, N-H?O hydrogen bonds link the mol-ecules, forming an infinite one-dimensional chain parallel to the b axis.

SUBMITTER: Zhang Y

PROVIDER: S-EPMC2969496 | biostudies-other | 2009

REPOSITORIES: biostudies-other

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2-(3-Nitro-phen-yl)-4,5-diphenyl-1H-imidazol-3-ium nitrate.

Zhang Yi Y

Acta crystallographica. Section E, Structure reports online 20090624 Pt 7

In the cation of the title compound, C(21)H(16)N(3)O(2) (+)·NO(3) (-), the N atom in the 3-position of the imidazole ring is protonated. The three pendant aromatic rings are twisted from the plane of the imidazolium ring by dihedral angles of 22.75 (1), 79.63 (1) and 29.65 (1)°. In the crystal structure, N-H⋯O hydrogen bonds link the mol-ecules, forming an infinite one-dimensional chain parallel to the b axis. ...[more]

PMID: 21582934

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2-(3-Nitro-phen-yl)-4,5-diphenyl-1H-imidazol-3-ium chloride.

Project description:The title compound, C(21)H(16)N(3)O(2) (+)·Cl(-), contains two organic cations with similar conformation and two chloride ions in the asymmetric unit. The imidazole and benzene rings are twisted with respect to each other [dihedral angles of 24.05?(16), 24.31?(16) and 50.38?(13) in one cation and 27.70?(15), 25.07?(16) and 45.86?(14)° in the other]. The crystal packing is stabilized by N-H?Cl hydrogen bonds, forming an infinite one-dimensional chain parallel to the c axis.

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Project description:In the cation of the title compound, C(22)H(19)N(2) (+)·NO(3) (-), the N atom in the 3-position of the imidazole is protonated. The three pendant aromatic rings are twisted from the plane of the imadazolium ring by dihedral angles of 38.1?(1), 43.74?(9) and 20.4?(1)°. In the crystal structure, N-H?O and N-H?(O,O) hydrogen bonds link the mol-ecules to form an infinite one-dimensional chain parallel to the c axis.

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4,5-Diphenyl-2-p-tolyl-1H-imidazol-3-ium perchlorate.

Project description:In the title compound, C(22)H(19)N(2) (+)·ClO(4) (-), the three pendant aromatic rings are twisted from the plane of the imidazolium ring by dihedral angles of 17.3?(2), 65.7?(2) and 3.4?(2)°. In the crystal structure, N-H?O and N-H?(O,O) hydrogen bonds link the ions, forming a ribbon-like structure along the a axis.

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Project description:In the crystal structure of the title compound, C(27)H(39)N(2) (+)·I(3) (-), the imidazolidinium ring is perpendicular to a mirror plane which bis-ects the cation. The dihedral angle between the imidazolidinium ring and the benzene ring is 89.0?(2)°. The triiodide anion also lies on a mirror plane and is almost linear with an I-I-I bond angle of 178.309?(18)°.

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(E)-Ethyl 2-cyano-3-[4-(4,5-diphenyl-1H-imidazol-2-yl)phen-yl]acrylate dihydrate.

Project description:In the title compound, C(27)H(21)N(3)O(2)·2H(2)O, the three benzene rings attached to the heterocyclic imidazole ring are not coplanar with the latter, making dihedral angles of 14.8?(2), 31.4?(2), and 37.5?(2)°, respectively, for the benzene ring planes in the 2-, 4- and 5-positions. In the crystal, there are two water mol-ecules which serve as connectors between the acrylate mol-ecules and stabilize the structure via N-H?O, O-H?N, C-H?O and O-H?O hydrogen bonding.

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