In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.

In cases of stereochemical retention , the migrating group translates without rotation into the bonding position , while in the case of stereochemical inversion the migrating group both rotates and translates to reach its bonded conformation .
In the case of stereochemical inversion the migrating group both rotates and translates to reach its bonded conformation .