Halogen bonds on substituted dibromonitrobenzene derivatives.
2020
Halogen bonding is a noncovalent interaction that has attracted great attention because of its importance in several areas, such as photonics, nonlinear optics, pharmaceutical products, supramolecular engineering, biochemistry, protein-ligand complexes, and polymer interactions. In this context, we describe the synthesis, molecular structure, supramolecular arrangement, and theoretical calculations of five dibromonitrobenzene derivatives, which present different halogen atoms substituted. The solid-state characterization was carried out by X-ray diffraction with the contribution of Hirshfeld surfaces for analysis of molecular interactions. The frontier molecular orbital, molecular electrostatic potential, and quantum theory of atoms in molecules were carried out at the M06-2X/6-311+G(d,p) level of theory. Those observed halogen interactions indicate the crystalline solid-state stabilization for the dibromonitrobenzene derivatives.
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