Cocrystals of Gallic Acid with Urea and Propionamide: Supramolecular Structures, Hirshfeld Surface Analysis, and DFT Studies

2019 ◽  
Vol 54 (8) ◽  
pp. 1900016 ◽  
Author(s):  
Kanchi Lakshminarayanashetty Jyothi ◽  
Raj Gautam ◽  
Diptikanta Swain ◽  
Tayur Narasingarow Guru Row ◽  
Neratur Krishnappagowda Lokanath
Keyword(s):  
Gallic Acid ◽  
Surface Analysis ◽  
Hirshfeld Surface ◽  
Supramolecular Structures ◽  
Hirshfeld Surface Analysis ◽  
Dft Studies

scholarly journals 6-Methyl-2-oxo-N-(quinolin-6-yl)-2H-chromene-3-carboxamide: crystal structure and Hirshfeld surface analysis

2016 ◽  
Vol 72 (8) ◽  
pp. 1121-1125
Author(s):  
Lígia R. Gomes ◽  
John Nicolson Low ◽  
André Fonseca ◽  
Maria João Matos ◽  
Fernanda Borges
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Surface Analysis ◽  
Coumarin Derivative ◽  
Hirshfeld Surface ◽  
Supramolecular Structures ◽  
Hirshfeld Surface Analysis ◽  
Quinoline Ring ◽  
Π Interactions

The title coumarin derivative, C20H14N2O3, displays intramolecular N—H...O and weak C—H...O hydrogen bonds, which probably contribute to the approximate planarity of the molecule [dihedral angle between the coumarin and quinoline ring systems = 6.08 (6)°]. The supramolecular structures feature C—H...O hydrogen bonds and π–π interactions, as confirmed by Hirshfeld surface analyses.

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