Constitutional isomer: Difference between revisions
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Constitutional [[ | Constitutional [[Isomers|isomers]], also known as structural isomers<ref>Bettelheim FA, Brown WH, Campbell MK, Farrell SO. Introduction to Organic and Biochemistry Seventh Edition. 2010. Brooks/Cole. Belmont. Pg 20</ref>, are isomers that share the same [[Molecular formula|molecular formula]] but has different structural formula or different order of attachment of [[Atoms|atoms]]<ref>Burg J M, Tymoczko J L, Gatto, Jr G J, Stryer L. Biochemistry Eighth Edition. 2015. W.H. Freeman and Company. New York. Pg 317</ref>. There are 3 types of constitutional isomers, which are functional group isomers, chain isomers and position isomers. | ||
Functional group isomers are isomers containing varied functional groups. [[Butane|Butane]] and [[ | Functional group isomers are isomers containing varied functional groups. [[Butane|Butane]] and [[Methylpropane|methylpropane]] are examples of functional group isomerism. | ||
Chain isomers have different length of [[ | Chain isomers have different length of [[Carbon|carbon]] chains despite the equal number of each atoms. For example, [[Butane|butane]] and [[2-methylpropane|2-methylpropane]] show chain isomerism. | ||
Every position isomers show different positions of their functional groups respectively. For example, [[1,2-dibromopropane|1,2-dibromopropane]] and [[1,3-dibromopropane|1,3-dibromopropane]] exist as position isomers<ref>Ryan L, Norris R. Cambridge International AS and A Level Chemistry Coursebook Second Edition. 2014. Latimer Trend. UK. Pg 194 - 195</ref>. | Every position isomers show different positions of their functional groups respectively. For example, [[1,2-dibromopropane|1,2-dibromopropane]] and [[1,3-dibromopropane|1,3-dibromopropane]] exist as position isomers<ref>Ryan L, Norris R. Cambridge International AS and A Level Chemistry Coursebook Second Edition. 2014. Latimer Trend. UK. Pg 194 - 195</ref>. | ||
However, some molecular formulas do not exhibit constitutional isomerism because there is only one way of connecting the atoms within the [[ | However, some molecular formulas do not exhibit constitutional isomerism because there is only one way of connecting the atoms within the [[Compound|compound]]. Examples include [[Methane|methane]], [[Ethane|ethane]] and [[Propane|propane]]<ref>Bettelheim F, Brown W, Campbell M, Farrell S. Introduction to General, Organic and Biochemistry Eighth Edition. 2007. Thomson Brooks/Cole. Belmont. Pg 305</ref>. | ||
=== References === | === References === | ||
<references /> | <references /> | ||
Latest revision as of 04:50, 24 November 2018
Constitutional isomers, also known as structural isomers[1], are isomers that share the same molecular formula but has different structural formula or different order of attachment of atoms[2]. There are 3 types of constitutional isomers, which are functional group isomers, chain isomers and position isomers.
Functional group isomers are isomers containing varied functional groups. Butane and methylpropane are examples of functional group isomerism.
Chain isomers have different length of carbon chains despite the equal number of each atoms. For example, butane and 2-methylpropane show chain isomerism.
Every position isomers show different positions of their functional groups respectively. For example, 1,2-dibromopropane and 1,3-dibromopropane exist as position isomers[3].
However, some molecular formulas do not exhibit constitutional isomerism because there is only one way of connecting the atoms within the compound. Examples include methane, ethane and propane[4].
References
- ↑ Bettelheim FA, Brown WH, Campbell MK, Farrell SO. Introduction to Organic and Biochemistry Seventh Edition. 2010. Brooks/Cole. Belmont. Pg 20
- ↑ Burg J M, Tymoczko J L, Gatto, Jr G J, Stryer L. Biochemistry Eighth Edition. 2015. W.H. Freeman and Company. New York. Pg 317
- ↑ Ryan L, Norris R. Cambridge International AS and A Level Chemistry Coursebook Second Edition. 2014. Latimer Trend. UK. Pg 194 - 195
- ↑ Bettelheim F, Brown W, Campbell M, Farrell S. Introduction to General, Organic and Biochemistry Eighth Edition. 2007. Thomson Brooks/Cole. Belmont. Pg 305