Molecular complexes of I2: A Mössbauer effect study

Abstract

Molecular complexes of I₂ with different organic solvents, in frozen solution, were studied using Mössbauer effect in ¹²⁹I. The results obtained for the hyperfine constants indicate that the complexes may be divided into three main groups with increasing bond strength, according to the organic solvent used: (a) π solvents, (b) alcohols and ether, and (c) amines. The same classification was also used in the analyasis of various properties of the I₂ complexes. Some general conclusions on the electronic nature of the I₂‐complexant bond are derived and discussed.