eclipsing strain

Synonyms: bond opposition strain, Pitzer strain, torsional strain
@I03130@ @S06037@ present due to @N04183@ between two @E01884@ atoms or groups. It is, for example, one of the interactions responsible for the existence of a @R05408@ and hence @F02520@ about the C–C bond in ethane. It has also been called Pitzer strain, torsional strain and bond opposition strain.
PAC, 1996, 68, 2193. (Basic terminology of stereochemistry (IUPAC Recommendations 1996)) on page 2206 [Terms] [Paper]