Illustrated Glossary of Organic Chemistry - n+1 rule

Illustrated Glossary of Organic Chemistry

n+1 rule: When splitting is first-order, the NMR signal for a nucleus having n neighbors is split into n+1 lines.


The ¹H-NMR spectrum of 2-methoxy butane, illustrating the n+1 rule.		Assignment of splitting patterns.

Related terms: Spin-spin coupling, first-order coupling, non-first-order coupling, first-order splitting, non-first-order splitting, coupling constant, J, singlet, doublet, triplet, quartet, pentet, sextet, septet, multiplet, doublet of doublets
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