Journal
JOURNAL OF MOLECULAR STRUCTURE
Volume 1264, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.molstruc.2022.133222
Keywords
Chalcone; Single-crystal; XRD; ATR-FTIR; FT-Raman; DFT
Categories
Funding
- PQ/FUNCAP [BP4-0172-00075.01.00/20]
- PQ/CNPq [308178/2021-1]
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In this study, a chalcone named DMAP was synthesized, crystallized, and characterized. It was found that DMAP differs from most chalcones as it is formed by only one aromatic ring. The crystal structure of DMAP was found to be stable and organized in layers.
Chalcones are a large and promising source of molecules that can be used for drug development, as they have a wide variety of pharmacological activities associated with their structural diversity. In this work, the chalcone named (3E)-4-[4-(dimethylamine)phenyl]but-3-en-2-one (DMAP) was synthesized, crystallized, and characterized by single-crystal X-Ray Diffraction (XRD), Fourier Transform Raman (FT-Raman), Attenuated Total Reflection Fourier Transform Infrared (ATR-FTIR), and Ultraviolet-visible (UV-Vis) spectroscopy. Theoretical calculations of quantum chemistry were performed to obtain data regarding normal vibration modes, dipole moment, frontier molecular orbitals, quantum chemical parameters, molecular electrostatic potential map, Hirshfeld surfaces, and theoretical UV-vis spectrum. In contrast to most chalcones which are formed by two aromatic rings, the DMAP is formed by only one aromatic ring. The crystal of DMAP at 300 K has orthorhombic symmetry with space group P2(1)2(1)2(1) with four molecules per unit cell. The crystalline structure is stabilized by two intermolecular short contacts, both involving the dimethylamine group. In the direction of the crystallographic a-axis, the molecules are arranged to form layers. (C) 2022 Elsevier B.V. All rights reserved.
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