Δ (delta), Λ (lambda)
Designations of
stereoisomers
of tris(didentate) metal complexes and other octahedral complexes.
See:
helicity
Source:
PAC, 1996,
68
, 2193
(Basic terminology of stereochemistry (IUPAC Recommendations 1996))
on page 2205
Red Book, p. 184