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In chemistry, an enantiomer (/ɪˈnænti.əmər, ɛ-, -oʊ-/ [1] ih-NAN-tee-ə-mər; from Ancient Greek ἐναντίος (enantíos) 'opposite', and μέρος (méros) 'part') – also called optical isomer, [2] antipode, [3] or optical antipode[4] – is one of a pair of molecular entities which are mirror images of each other and non-superposable.
Enantiomers are pairs of compounds with exactly the same connectivity but opposite three-dimensional shapes. Enantiomers are not the same as each other; one enantiomer cannot be superimposed on the other. Enantiomers are mirror images of each other.
Enantiomers are a pair of molecules that exist in two forms that are mirror images of one another but cannot be superimposed one upon the other. Enantiomers are in every other respect chemically identical.
Enantiomers are molecules that have the same molecular formula and connectivity of atoms but differ in their spatial arrangement. More precisely, enantiomers are mirror-image isomers of each other, just like our left and right hands are mirror images of one another.
Enantiomers and diastereomers are both types of stereoisomers and optical isomers, and they are both are non-superimposable. While they share these similarities, enantiomers and diastereomers have important distinctions from one another, like their physical properties.
Enantiomers are mirror-image stereoisomers with identical molecular structures, distinguished by their non-superimposable nature. They possess a chiral center and exhibit unique optical activities, impacting their interactions with light and biological systems.
Enantiomers are two molecules that are nonsuperimposable mirror images: And this is what we had for our pairs of stereoisomers, they were nonsuperimposable mirror images – enantiomers. The lesson is that enantiomers are stereoisomers.
Enantiomer, either of a pair of objects related to each other as mirror images that cannot be reoriented so as to appear identical. Molecular enantiomers have identical chemical properties, except in their chemical reaction with other dissymmetric molecules and with polarized light.
Enantiomers are types of stereoisomers since all the atoms are connected the same but they have a different 3D orientation. Here is a little scheme as a reminder about constitutional isomers and stereoisomers.
To name the enantiomers of a compound unambiguously, their names must include the "handedness" of the molecule. The method for this is formally known as R/S nomenclature.