INCAPE   05401
INSTITUTO DE INVESTIGACIONES EN CATALISIS Y PETROQUIMICA "ING. JOSE MIGUEL PARERA"
Unidad Ejecutora - UE
artículos
Título:
A combined experimental and computational study of the esterification reaction of glycerol with acetic acid
Autor/es:
G. A. BEDOGNI; C.L. PADRÓ; N. B. OKULIK
Revista:
JOURNAL OF MOLECULAR MODELING - (Print)
Editorial:
SPRINGER
Referencias:
Lugar: Berlin; Año: 2014 vol. 20 p. 1 - 13
ISSN:
1610-2940
Resumen:
This work describes theoretical and experimental
studies on glycerol esterification to obtain acetins focusing on
the obtained isomers. The reaction of glycerol with acetic acid
was carried out on Amberlyst 36 wet. Density functional
theory calculations on the level of M06-2X functional and 6-
311+G(d,p) basis set are carried out and the most stable
structures of the reactants and products are located by considering
a large number of conformers. The thermodynamics is
discussed in terms of the calculated reaction Gibbs free energy.
The AIM theory was used to characterize reactants and
products. The glycerol esterification with acetic acid is found
to be thermodynamically favored, with exothermal property.
These agree well with experiments and allow us to explain the
relative selectivity of products.