The symmetry correspondence among units belonging to the same chain. The symmetry elements always bear a special relationship to the chain axis.
line repetition groups
Source: Purple Book, 1st ed., p. 77 [Terms] [Book]
Citation: 'geometrical equivalence' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. https://doi.org/10.1351/goldbook.G02618 RISBibTexEndNote