Standard molar enthalpies of formation of 2-chloroquinoline, 4-chloroquinoline, 6-chloroquinoline and 4,7-dichloroquinoline by rotating-bomb calorimetry

Add time:08/02/2019    Source:sciencedirect.com

The standard (p∘ = 0.1 MPa) molar enthalpies of combustion, ΔcHm∘, for crystalline 2-, 4-, 6-chloroquinoline and 4,7-dichloroquinoline were determined at the temperature 298.15 K using a rotating-bomb combustion calorimeter. The standard molar enthalpies of sublimation, ΔcrgHm∘, at T =  298.15 K, were determined by Calvet microcalorimetry. The results were as follows:-ΔcHm∘(cr)/(kJ·mol-1)ΔcrgHm∘/(kJ·mol-1)2-Chloroquinoline4492.5 ± 1.684.3 ± 2.64-Chloroquinoline4508.4 ± 1.678.6 ± 1.76-Chloroquinoline4508.2 ± 1.680.8 ± 1.94,7-Dichloroquinoline4353.3 ± 1.389.5 ± 2.3

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