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In chemistry, isomerization or isomerisation is the transformation of a molecule into a different isomer . In some molecules and under some conditions, isomerisation occurs spontaneously. Many isomers are equal or roughly equal in bond energy, and so they interconvert relatively freely. When the isomerisation occurs intramolecularly it is considered a rearrangement reaction.
Additional recommended knowledge
Instances of Isomerization
Note - the second image should read 2-methylbutane rather than 2-methylpentane.
The energy difference between two isomers is called isomerisation energy. Isomerisations with low energy difference both experimental and computational (in parentheses) are endothermic trans-cis isomerisation of 2-butene with 2.6 (1.2) kcal/mol, cracking of isopentane to n-pentane with 3.6 (4.0) kcal/mol or conversion of trans-2-butene to 1-butene with 2.6 (2.4) kcal/mol.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Isomerisation". A list of authors is available in Wikipedia.|