Eliel, Ernest L. Department of Chemistry, University of North Carolina, Raleigh, North Carolina.
Last reviewed:January 2020
- Constitutional isomers
- Related Primary Literature
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The property of compounds (isomers) which have the same molecular formula but different physical and chemical properties. The difference in properties is caused by a difference in molecular structure (that is, molecular architecture). A typical example is dimethyl ether, CH3OCH3, a chemically quite inert gas which condenses at −24°C (−11°F), and ethyl alcohol, CH3CH2OH, a liquid of substantial chemical reactivity which boils at 78°C (172°F); both compounds have the molecular formula C2H6O.
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