Bürgi-Dunitz angle
= Bürgi-Dunitz angle
{c}
{title2=$\angle\mathrm{Nu-C-O}\simeq107^\circ$}
The <Bürgi-Dunitz angle> describes the oblique approach of a nucleophile toward a carbonyl carbon, conventionally measured relative to C=O. A typical trajectory is near $107^\circ$, with the optimum depending on the system.