318-5 - CH 318 N LECTURE 5 Textbook Assignment Chapter...

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1 CH 318 N LECTURE 5 Textbook Assignment: Chapter 13 (Cont’d) Homework (for credit): POW 3 posted Today’s Topics: NMR: Equivalent protons; integration; splitting Notice & Announcements: Organic Lecture Series 2 Origins of Signal Splitting Signal coupling: Signal coupling: an interaction in which the nuclear spins of adjacent atoms influence each other and lead to the splitting of NMR signals Coupling constant (J): the separation on an NMR spectrum (in hertz) between adjacent peaks in a multiplet; – a quantitative measure of the influence of the spin-spin coupling with adjacent nuclei
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