CRYSTAL STRUCTURE, HIRSHFELD SURFACE ANALYSIS AND ENERGY FRAMEWORK STUDY OF THE NITRONE N-BENZYLIDENE-N-BUTYLAMINO-4-Β-PYRIDYL-N-OXIDE

ABSTRACT The title compound, C16H16N2O, a potential antiparasitic agent, crystallizes in the orthorhombic Pca21 space group with unit cell parameters a= 9.912(1) Å, b= 9.035(1) Å, c= 15.681(2) Å. The crystalline structure is stabilized by weak C---H⋯O and C--H⋯Cg(π) interactions among neighboring mo...

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Bibliographic Details
Published in:Journal of the Chilean Chemical Society 2020-09, Vol.65 (3), p.4865-4869
Main Authors: Delgado, Gerzon E., Mora, Asiloé J., Bahsas, Ali, Koustnetzov, Vladimir V., Chacón, Cecilia, Cisterna, Jonathan, Cárdenas, Alejandro, Brito, Iván
Format: Article
Language:English
Subjects:
CHEMISTRY, MULTIDISCIPLINARY
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Summary:ABSTRACT The title compound, C16H16N2O, a potential antiparasitic agent, crystallizes in the orthorhombic Pca21 space group with unit cell parameters a= 9.912(1) Å, b= 9.035(1) Å, c= 15.681(2) Å. The crystalline structure is stabilized by weak C---H⋯O and C--H⋯Cg(π) interactions among neighboring molecules producing an efficient packing with 66.0% of occupied space. The C--H⋯O hydrogen bond keeps the molecules linked into supramolecular chains propagating along the a axis direction with a graph-set notation C(4), which are reinforced by C--H⋯Cg(π) interactions. Hirshfeld surface analysis of the intermolecular contacts reveal that the most important contributions for the crystal packing are from H⋯H (55.2%) and H⋯C/C⋯H (27.1%) interactions. Energy framework calculations suggest that the contacts formed between molecules are slightly dispersive in nature.
ISSN:0717-9707
0717-9707
DOI:10.4067/s0717-97072020000204865