Abstract
AbstractCrystal structure analysis reveals the cocrystallysation of two turnstyle rotamers of a pentacoordinate silicon complex with a chiral backbone derived from 2‐amino‐1,1,2‐triphenylethanol. The structures of the two epimers are well reproduced by DFT calculations. In addition, the coexistence of two rotamers, which readily interconvert in solution, is confirmed by their solid‐state NMR spectroscopic data. Possible mechanisms of their interconversion are discussed, and preference is given to a turnstile‐like rotation of three ligands at the silicon atom about 120°.
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