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Crystal structure and Hirshfeld surface analysis of 3-methyl-4-oxo-N-phenyl-3,4-di-hydro-quinazoline-2-carbo-thio-amide.

ABSTRACT: The asymmetric unit of the title compound, C₁₆H₁₃N₃OS, comprises two mol-ecules (A and B) with similar conformations that differ mainly in the orientation of the phenyl group relative to the rest of the mol-ecule, as expressed by the C_thio-amide-N_thio-amide-C_phen-yl-C_phen-yl torsion angle of 49.3 (3)° for mol-ecule A and of 5.4 (3)° for mol-ecule B. In the crystal, two inter-molecular N-H⋯N hydrogen bonds lead to the formation of a dimer with R ₂ ²(10) graph-set notation. A Hirshfeld surface analysis revealed that H⋯H inter-actions are the most important inter-molecular inter-actions, contributing 40.9% to the Hirshfeld surface.

SUBMITTER: Pirnazarova N

PROVIDER: S-EPMC8739201 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Crystal structure of 4,4-dibutyl-2-phenyl-3,4-di-hydro-quinazoline.

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Crystal structure of 3-(thio-phen-2-yl)-5-p-tolyl-4,5-di-hydro-1H-pyrazole-1-carbo-thio-amide.

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Crystal structure and Hirshfeld surface analysis of <i>rac</i>-2-[2-(4-chloro-phen-yl)-3,4-di-hydro-2<i>H</i>-1-benzo-pyran-4-yl-idene]hydrazine-1-carbo-thio-amide.

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Project description:In 2-amino-4-(4-bromo-phen-yl)-6-oxo-1-phenyl-1,4,5,6-tetra-hydro-pyridine-3-carbo-nitrile hemihydrate, C18H14BrN3O·0.5H2O, (I), pairs of mol-ecules are linked by pairs of N-H⋯N hydrogen bonds, forming dimers with an R 2 2(12) ring motif. The dimers are connected by N-H⋯Br and O-H⋯O hydrogen bonds, and C-Br⋯π inter-actions, forming layers parallel to the (010) plane. 1,6-Di-amino-2-oxo-4-phenyl-1,2-di-hydro-pyridine-3,5-dicarbo-nitrile, C13H9N5O, (II), crystallizes in the triclinic space group P with two independent mol-ecules (IIA and IIB) in the asymmetric unit. In the crystal of (II), mol-ecules IIA and IIB are linked by inter-molecular N-H⋯N and N-H⋯O hydrogen bonds into layers parallel to (001). These layers are connected along the c-axis direction by weak C-H⋯N contacts. C-H⋯π and C-N⋯π inter-actions connect adjacent mol-ecules, forming chains along the a-axis direction. In (I) and (II), the stability of the packing is ensured by van der Waals inter-actions between the layers. In (I), Hirshfeld surface analysis showed that the most important contributions to the crystal packing are from H⋯H (37.9%), C⋯H/H⋯C (18.4%), Br⋯H/H⋯Br (13.3%), N⋯H/H⋯N (11.5%) and O⋯H/H⋯O (10.0%) inter-actions, while in (II), H⋯H inter-actions are the most significant contributors to the crystal packing (27.6% for mol-ecule IIA and 23.1% for mol-ecule IIB).

| S-EPMC9361375 | biostudies-literature

3-(4-Amino-phen-yl)-5-(4-meth-oxy-phen-yl)-4,5-di-hydro-1H-pyrazole-1-carbo-thio-amide.

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