Molecular polarisability and internal rotation in the alkyl chloride series

R. J W Le Fèvre*, B. J. Orr

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)


The molar Kerr constants and dipole moments, measured at infinite dilution in carbon tetrachloride, of t-butyl, ethyl, n-propyl, n-butyl, n-pentyl, and n-hexyl chloride are recorded. Inductive effects in these molecules are briefly discussed. Estimates of the anisotropic polarisability of the C-Cl bond in t-butyl and ethyl chloride are obtained. Molar Kerr constants of the n-alkyl chlorides lie in the range +56 to 62 × 10-12. Expectation values of the molar Kerr constants, obtained by a treatment previously applied to n-alkyl bromides and iodides, are in excellent agreement with experiment. For n-propyl chloride, the gauche-trans energy difference is found to be +0.1 4 ± 0.1 kcal./mole.

Original languageEnglish
Pages (from-to)37-40
Number of pages4
JournalDalton Transactions
Publication statusPublished - 1966
Externally publishedYes


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