The Infra-Red Absorption of HCl in Solution

Abstract
The fundamental HCl vibrational band has been observed for solutions of HCl in nitrobenzene, o‐nitrotoluene, ethyl acetate, di‐ethyl ether, iso‐propyl ether, n‐butyl ether, and dioxan. The band is shifted appreciably to lower frequencies in all of these solvents. The shifts are too great to be attributed wholly to the dielectric constants of the solvents; they are interpreted as being caused primarily by hydrogen bonding between the HCl and the solvent.

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