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Abstract
Recommended vapor pressure data for important industrial solvents, aniline (CAS RN: 62-53-3), nitromethane (CAS RN: 75-52-5), 1-methyl-2-pyrrolidone (CAS RN: 872-50-4), and 2-aminoethanol (CAS RN: 141-43-5), were developed by the simultaneous correlation of vapor pressure and related thermal data (heat capacities of condensed phases, ideal-gas heat capacities and calorimetrically determined enthalpies of vaporization). For 1-methyl-2-pyrrolidone and 2-aminoethanol, new vapor pressure data were obtained using the static method and new liquid phase heat capacities were determined by Tian–Calvet calorimetry while for remaining compounds relevant thermodynamic data were taken from the literature. The thermodynamic properties in the ideal gaseous state were calculated using the methods of statistical thermodynamics based on experimental as well as calculated fundamental vibrational frequencies and molecular structure data. Comparisons with literature values are shown for all measured and derived properties.
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