Thermochemistry of Chloroanilines

M.A.V. Ribeiro da Silva, L.M.P.F. Amaral, J.R.B. Gomes, A.I.M.C.L. Ferreira

Centro de Investigação em Química,
Dept. of Chemistry, Faculty of Science, University of Porto
Rua do Campo Alegre, 687, P-4169-007 Porto, Portugal.

The standard molar enthalpies of formation, in the condensed phase, at T = 298.15 K, of the six isomers of dichloroaniline, four isomers of trichloroaniline and one tetrachloroaniline, have been measured by rotating bomb combustion calorimetry. The enthalpies of sublimation of these compounds were measured by high temperature Calvet microcalorimetry, and the standard molar enthalpies of formation in the gaseous phase of all compounds have been measured. These experimental values are further compared with results computed using "state of the art" density functional theory calculations.