4-Ethyl-1-(4-methylbenzylidene)thiosemicarbazide
نویسندگان
چکیده
The title compound, C(10)H(13)N(3)S, prepared by the reaction of 4-methyl-benzaldehyde and 4-methyl-thio-semicarbazide, is approximately planar (r.m.s. deviation for the non-H atoms = 0.032 Å). Its conformation is stabilized by an intra-molecular N-H⋯N hydrogen bond, generating an S(5) ring. In the crystal, inversion dimers linked by pairs of N-H⋯S hydrogen bonds occur. Further weak N-H⋯S links connect the dimers into (100) sheets.
منابع مشابه
Ethyl 3-(4-methylbenzylidene)carbazate
There are two mol-ecules in the asymmetric unit of the title compound, C(11)H(14)N(2)O(2), which have similar conformations. In the crystal, the mol-ecules are linked by N-H⋯O hydrogen bonds, generating C(4) chains propagating in [001].
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In the title compound, C(11)H(15)N(3)OS, the dihedral angle between the aromatic ring and the thio-urea unit is 4.28 (7)° and an intra-molecular N-H⋯N hydrogen bond generates an S(5) ring. In the crystal, mol-ecules are linked into (001) sheets by N-H⋯S hydrogen bonds.
متن کامل4-Ethyl-1-[4-(methylsulfanyl)benzylidene]thiosemicarbazide
There are four independent mol-ecules in the asymmetric unit of the title compound, C(11)H(15)N(3)S(2), with different conformations: the dihedral angles between the benzene rings and thio-urea units are 16.85 (9), 0.56 (10), 8.05 (12) and 4.56 (8)°. Each mol-ecule contains an intra-molecular N-H⋯N hydrogen bond, generating an S(5) ring. The crystal structure is stabilized by inter-molecular N-...
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The title compound, C(17)H(16)N(4)OS, is stabilized in the form of a two-dimensional polymeric network due to inter-molecular N-H⋯S and N-H⋯O hydrogen bonds. An intra-molecular N-H⋯N hydrogen bond forms an S(5) ring, whereas inter-actions of the N-H⋯O and C-H⋯S types complete S(6) ring motifs. π-π inter-actions with a centroid-centroid distance of 3.6514 (10) Å are found between the ethyl-subst...
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In the title compound, C(16)H(16)N(2)O, the dihedral angle formed by the two benzene rings is 50.3 (1)°. In the crystal structure, mol-ecules are linked into an infinite one-dimensional supra-molecular structure by inter-molecular O-H⋯N hydrogen-bond inter-actions.
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عنوان ژورنال:
دوره 66 شماره
صفحات -
تاریخ انتشار 2010