ABSTRACT

The standard (p = 0.1 MPa) molar enthalpies of formation, in the liquid phase, of 2-, 3- and 4-chloroanisoles, at T = 298.15 K, were derived from their standard massic energies of combustion, in oxygen, to yield CO2(g) and HCl Ae 600H2O(l), measured by rotating bomb combustion calorimetry. The Calvet high-temperature microcalorimetry technique was used to measure the standard molar enthalpies of vaporization of these compounds.From these two sets of experimental values, the standard molar enthalpies of formation in the gaseous phase, at T = 298.15 K, were derived, compared with the same parameters estimated by the Cox scheme and interpreted in terms of molecular structure.

Compounds

#	Formula	Name
1	ClH	hydrogen chloride
2	CO2	carbon dioxide
3	H2O	water
4	O2	oxygen
5	C7H5ClO2	4-chlorobenzoic acid
6	C7H7ClO	1-chloro-2-methoxybenzene
7	C7H7ClO	3-chloromethoxybenzene
8	C7H7ClO	4-chloromethoxybenzene

Datasets

The table above is generated from the ThermoML associated json file (link above). POMD and RXND refer to PureOrMixture and Reaction Datasets. The compound numbers are included in properties, variables, and phases, if specificied; the numbers refer to the table of compounds on the left.
Type	Compound-#	Property	Variable	Phase	Method	#Points
POMD	6	Molar enthalpy of vaporization or sublimation, kJ/mol ; Liquid	Temperature, K; Liquid	Liquid Gas	Calvet calorimetry with estimated adjustment using gas-phase Cp	1
POMD	6	Molar enthalpy, kJ/mol ; Gas	Temperature, K; Gas Pressure, kPa; Gas	Gas	calvet microcalorimetry	1
POMD	7	Molar enthalpy of vaporization or sublimation, kJ/mol ; Liquid	Temperature, K; Liquid	Liquid Gas	Calvet calorimetry with estimated adjustment using gas-phase Cp	1
POMD	7	Molar enthalpy, kJ/mol ; Gas	Temperature, K; Gas Pressure, kPa; Gas	Gas	calvet microcalorimetry	1
POMD	8	Molar enthalpy of vaporization or sublimation, kJ/mol ; Liquid	Temperature, K; Liquid	Liquid Gas	Calvet calorimetry with estimated adjustment using gas-phase Cp	1
POMD	8	Molar enthalpy, kJ/mol ; Gas	Temperature, K; Gas Pressure, kPa; Gas	Gas	calvet microcalorimetry	1
RXND	5 1 2 3 4	Specific internal energy of reaction at constant volume, J/g			Rotating bomb calorimetry	1
RXND	6 1 2 3 4	Specific internal energy of reaction at constant volume, J/g			Rotating bomb calorimetry	1
RXND	7 1 2 3 4	Specific internal energy of reaction at constant volume, J/g			Rotating bomb calorimetry	1
RXND	8 1 2 3 4	Specific internal energy of reaction at constant volume, J/g			Rotating bomb calorimetry	1

Thermodynamics Research Center / ThermoML | Journal of Chemical Thermodynamics

Standard molar enthalpies of formation of the three isomers of chloroanisole

Ribeiro da Silva, M. A. V.[Manuel A. V.], Ferreira, A. I. M. C. L.[Ana I. M. C. L.]

ABSTRACT