CORRECTION

In the article by V. A. Kalyavin, T. A. Smolina, and O. A. Reutov, “On the monomolecular mechanism of the isotopic exchange of benzylmercury halides with radioactive mercuric halide,” published in DAN, vol. 156, no. 1, 1964:

1. On p. 96, lines 1 and 2, it should read:

due to structural factors:

\[ \gamma \leftarrow \begin{array}{c} \text{benzene ring} \end{array} \leftarrow \overset{\cdot}{\mathrm{C}}\mathrm{H}_2^{(-)} \quad {}^{(+)}\mathrm{HgBr} \]

1. On p. 96, in the reaction-mechanism scheme, it should be:

\[ \mathrm{O_2N{-}} \begin{array}{c} \text{benzene ring} \end{array} {-}\mathrm{CH_2{-}}{}^{203}\mathrm{HgBr} \ \xrightleftharpoons[\text{fast}]{\text{slow}}\ \mathrm{O_2N{-}} \begin{array}{c} \text{benzene ring} \end{array} {-}\overset{\cdot}{\mathrm{C}}\mathrm{H}_2^{(-)} \quad {}^{(+)\,203}\mathrm{HgBr} \]

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