N-Cyclohexyl-N′-(4-nitrobenzoyl)thiourea
نویسندگان
چکیده
In the title compound, C(14)H(17)N(3)O(3)S, the nitro group is twisted slightly by 2.6 (3)° from the benzene ring plane and the thio-ureido group makes a dihedral angle of 52.06 (4)° with the benzene ring. The cyclo-hexyl ring displays a chair conformation. An intra-molecular N-H⋯O inter-action is present. In the crystal, inter-molecular N-H⋯S hydrogen bonds link the mol-ecules into centrosymmetric dimers. π-π inter-actions between inversion-related benzene rings (centroid-centroid distance = 4.044 Å) and C-H⋯π inter-actions (H⋯centroid distance = 3.116 Å) between one methyl-ene cyclo-hexyl H atom and the benzene ring are also present.
منابع مشابه
N-(3-Methylphenyl)-N′-(4-nitrobenzoyl)thiourea
Two mol-ecules of the title compound, C(15)H(13)N(3)O(3)S, are linked by an inter-molecular N-H⋯S hydrogen bond. There is also an intra-molecular N-H⋯O hydrogen bond, forming a six-membered ring. The steric restriction of the m-methyl and p-nitro groups, as well as the intra-molecular hydrogen bond, are the main factors influencing the mol-ecular conformation.
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In the title compound, C(11)H(13)N(3)O(3)S, the benzene ring is twisted relative to the amidic fragment, forming a dihedral angle of 27.26 (9)°. The thiono and carbonyl groups are trans with respect to the C-N bond. Inter-molecular N-H⋯S and C-H⋯O hydrogen bonds link the mol-ecules in the crystal structure.
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In the title compound, C(14)H(10)N(4)O(5)S·0.5C(3)H(6)O, the nitro-benzoyl and nitro-phenyl groups have trans and cis configurations, respectively, with respect to the thio-urea S atom. The mol-ecular conformation is stabilized by intra-molecular N-H⋯O and C-H⋯S hydrogen bonds. The acetone solvent mol-ecule possesses a crystallographically imposed twofold axis. In the crystal packing, thio-urea...
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The title compound, C(14)H(10)BrN(3)O(3)S, crystallizes as two concomitant polymorphs that differ in colour (one yellow and one colourless). Only the structure of the colourless form could be determined. The mol-ecule exists in the thio-amide form with an intra-molecular N-H⋯O=C hydrogen bond across the thio-urea system. Mol-ecules are linked into layers parallel to (120) by Br⋯O(nitro) contact...
متن کامل1-(Benzothiazol-2-yl)-3-(4-nitrobenzoyl)thiourea
The mol-ecule of the title compound, C(15)H(10)N(4)O(3)S(2), is almost planar (r.m.s. deviation = 0.1Å for all non-H atoms). An intra-molecular N-H⋯O=C hydrogen bond is observed. In the crystal, mol-ecules are connected into layers parallel to (10) by a classical inter-molecular hydrogen bond from the second NH group to a nitro O atom and by three weak hydrogen bonds of the C-H⋯X type (X = O or...
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عنوان ژورنال:
دوره 66 شماره
صفحات -
تاریخ انتشار 2010