A @C01258@ of a saturated cyclic molecular entity, containing an even number (≥8) of atoms in the ring, in which these atoms lie alternately in each of two parallel planes and are symmetrically equivalent (\(D_{4\text{d}}\) for cyclooctane, \(D_{5\text{d}}\) for cyclodecane etc). It is analogous to the @C00964@ @C01258@ of cyclohexane.
See also:
tub conformation
PAC, 1996, 68, 2193. (Basic terminology of stereochemistry (IUPAC Recommendations 1996)) on page 2205 [Terms] [Paper]