The spatial arrangement of the atoms of a chiral molecular entity (or group) and its stereochemical description, e.g.,
R or
S.
See also: relative configuration, α (alpha), β (beta)
Source:
PAC, 1996, 68, 2193. 'Basic terminology of stereochemistry (IUPAC Recommendations 1996)' on page 2197 (https://doi.org/10.1351/pac199668122193)
See also:
Blue Book, p. 474 (https://www.acdlabs.com/iupac/nomenclature/)