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Alphabetical Index

Additional Indexes

Physical Constants Units of Measure Physical Quantities SI Prefixes Ring Index General Formulae Exact Formulae Source Documents Terms by IUPAC Div.

Version 3.0.1 (6463 Terms)

DOI: 10.1351/goldbook

Jan Kaiser - Content Editor
Stuart Chalk - Technical Editor
Joint Subcommittee
on the IUPAC Gold Book

Terms sourced from: 10.1351/pac199668122193

"Basic terminology of stereochemistry (IUPAC Recommendations 1996)", Moss, G.P., Pure and Applied Chemistry 1996, 68(12), 2193

absolute configuration ac achiral ambo angle strain anomeric effect anomers antipodes ap apical (basal, equatorial) asymmetric asymmetric carbon atom asymmetric centre asymmetric destruction asymmetric induction asymmetric synthesis asymmetric transformation atropisomers axial chirality axial (equatorial) axis of helicity anisometric antiperiplanar axis of chirality anti α (alpha), β (beta)

bisecting conformation boat bowsprit (flagpole) Bredt's rule β (beta) Baeyer strain Berry pseudorotation bond opposition strain

C. I. P. system Cahn–Ingold–Prelog system chair–chair interconversion chemical species chiral chirality chirality axis chirality centre chirality element chirality plane chirality sense chiroptic/chiroptical chirotopic CIP priority cis, trans cis-trans isomers cisoid conformation configuration (stereochemical) conformation conformational analysis conformer conglomerate constitution constitutional isomerism crown conformation centre of chirality clinal compensation chair, boat, twist

Δ (delta), Λ (lambda) d, l, dl d, l, dl desymmetrization desymmetrization step diastereoisomer excess diastereoisomerism diastereoisomerization diastereomeric ratio diastereomorphism diastereotopic dihedral angle dissymmetry deracemization diastereomers

E, Z eclipsed (eclipsing) eclipsing strain enantiomer enantiomer excess enantiomeric purity enantiomeric ratio enantiomerically enriched enantiomerically pure enantiomerism enantiomerization enantiomorph enantioselectivity enantiotopic endo, exo, syn, anti ent envelope conformation epimerization epimers equatorial erythro, threo external compensation eclipsing conformation element of chirality enantioconvergence enantioenriched enantiopure

fiducial group Fischer projection Fischer–Rosanoff convention free rotation Fischer–Tollens projection flagpole

gauche geometric isomerism gauche effect

half-chair handedness helicity heterotopic homochiral homomorphic homotopic hindered rotation

in-out isomerism internal compensation inversion isomer isomeric isomerism isometric isotopomer

kinetic resolution

l, u l

meso meso-compound mutarotation

Newman projection nonbonded interactions

optical activity optical antipodes optical isomers optical purity optical resolution optical rotation optical yield optically labile out-isomer

perspective formula planar chirality point group polytopal rearrangement primary structure priority pro-E, pro-Z pro-R, pro-S prochirality centre projection formula pseudo-asymmetric carbon atom pseudorotation pyramidal inversion prochirality plus, minus

quasi-enantiomers quasi-racemic compound quaternary structure

r, s R, S R*, S* racemate racemic racemic compound racemic conglomerate racemic mixture racemization Re, Si rel resolution ring reversal rotamer rotational barrier rotatory power relative configuration

s-cis, s-trans sawhorse projection sc secondary structure sequence rules skew sp space formula staggered conformation stereochemical formula stereoconvergence stereodescriptor stereoelectronic stereoelectronic control stereogenic unit stereoheterotopic stereoisomerism stereoisomers stereomutation stereoselective synthesis stereoselectivity superposability stereospecificity steric strain syn

tertiary structure topomerization torsion angle torsional stereoisomers transannular strain transoid conformation tub conformation

Walden inversion wedge projection

zig-zag projection

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