New aspects on the cohesion of simple compounds. II

J.M. Stevels

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In the preceding paper it is shown theoretically, that the sum of the contributions of the Debye and Keesom energy to the boiling point of halogenated methane, ethane and ethene derivatives should be about a constant. In this paper it is shown, how far this holds experimentally. An up to date complete list of the boiling points of the ethane and ethene derivatives is given. For the methane derivatives only those are given which have not been published before by van Arkel and coworkers. The boiling points of all these compounds are split up into several parts, according to the different kinds of cohesion effects. Special methods are developed for the 1.1‐ and cis‐ and trans‐1.2‐isomers C2H2X2. The “anomalies” of the boiling points of the C2H2I2 and C2H2ClI can easily be understood on the basis of the new theory.

Original languageEnglish
Pages (from-to)244-256
Number of pages13
JournalRecueil des Travaux Chimiques des Pays-Bas
Issue number3
Publication statusPublished - 1939
Externally publishedYes


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