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Isomers
Molecules with same molecular formula but different structure or arrangement. Divided into constitutional and stereoisomers.
Constitutional Isomers
➤Different bonding patterns
➤ Atoms can physically move and arrange bonds differently
Enantiomers
➤Non-identical, ARE mirror images
➤ ALL chiral centers flipped
Diastereomers
➤Stereoisomers, NOT mirror images
➤ At least one, but NOT ALL chiral centers flipped
Alkene E/Z stereoisomers
➤ Alkenes with different geometric composition are diastereomers
Meso Compounds
➤Achiral stereoisomers with a plane of symmetry
➤ Compound and its mirror image are identical
Plane of Symmetry
A dividing plane that splits a molecule into two identical halves
Meso Compounds
Achiral molecule with chirality centers that is identical to its mirror image
Stereoisomers
Isomers with same structure but different 3D arrangement (non-superimposable)
Chirality
➤ Molecule that cannot be superimposed on its mirror image (like a hand)
➤ Enantiomers are chiral
Achiral
➤ Achiral molecule can be superimposed on its mirror image (socks)
