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Chapter 9 Definition
Chemistry
Term | Definition |
---|---|
Stereoisomers | same atom-to-atom connectivity but different arrangement in space |
Stereocentre / Chirality Centre | atom (usually carbon) bound to four different groups |
Chiral compound | contains a stereocentre |
Achiral compound | contains no stereocentres |
Enantiomers / optical isomers | mirror image molecules which rotate plan-polarised light in opposing directions |
Polarimeter | measures rotation of polarised light by a sample |
Racemic mixture | 50:50 mixture of 2 enantiomers |
R and S | configurations of stereoisomers |