Abstract
The influence of the synchronous motion of various atoms on the probability of elementary chemical reactions in a condensed medium is theoretically investigated. The factor of synchronization is defined as the ratio of the probability of the multibond transition W to the probability W 0 of the transition along one degree of freedom calculated in the Condon approximation at fixed equilibrium positions of the other atoms. It is shown that the synchronous rearrangement of several chemical bonds involves in general three types of synchronization electronic, electron-configurational and energetic synchronization. The factor of electron synchronization is smaller than or equal to unity. The factor of electron-configurational synchronization is usually greater than unity. The factor of energy synchronization K E S is the most important for adiabatic reactions. It represents the product of an exponential ( K F S) and an entropy ( K s S) factor. The entropy factor K s S is usually not very restrictive for multibond rearrangements, and the path of the transition is determined mainly by the exponential factor K F S.
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