Abstract
The mol-ecular structure of the title chalcone derivative, C15H10FNO3, is nearly planar and the mol-ecule adopts a trans configuration with respect to the C=C double bond. The nitro group is nearly coplanar with the attached benzene ring, which is nearly parallel to the second benzene ring. In the crystal, mol-ecules are connected by pairs of weak inter-molecular C-H⋯O hydrogen bonds into inversion dimers. The dimers are further linked by another C-H⋯O hydrogen bond and a C-H⋯F hydrogen bond into sheets parallel to (104). π-π inter-actions occur between the sheets, with a centroid-centroid distance of 3.8860 (11) Å. Hirshfeld surface analysis was used to investigate and qu-antify the inter-molecular inter-actions.
Highlights
The molecular structure of the title chalcone derivative, C15H10FNO3, is nearly planar and the molecule adopts a trans configuration with respect to the C C double bond
Molecules are connected by pairs of weak intermolecular C—HÁ Á ÁO hydrogen bonds into inversion dimers
The dimers are further linked by another C—HÁ Á ÁO hydrogen bond and a C—HÁ Á ÁF hydrogen bond into sheets parallel to (104). – interactions occur between the sheets, with a centroid–centroid distance of 3.8860 (11) A
Summary
Non-linear optics (NLO) is the study of interactions between intense light and matter, in which the dielectric polarization responds non-linearly to the electric field of the light. This non-linearity leads to frequency-mixing processes (second-, third- and high-harmonic generations), the optical Kerr effect etc (Boulanger & Zyss, 2006). In a continuation of our ongoing studies on non-linear optical properties of various chalcone derivatives (Chandra Shekhara Shetty et al, 2017; Ekbote et al, 2017; Kwong et al, 2018), we report the synthesis, structure determination and Hirshfeld surface analysis of the title compound.
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