Ch_322a_9.012 - the number of neighboring equivalent H. (3)...

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Summary of Rules for Spin-Spin Interaction (1) Magnetically equivalent H do not show spin-spin interactions. Cl-C H 2 - C H 2 -Cl only a single resonance equivalent C H 3 -C-C H 2 Br Br C H 3 equivalent two resonances both singlets (2) Neighboring magnetically nonequivalent H show splittings according to the formula N = n + 1 where N is the number of lines of a resonance, and n is
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Unformatted text preview: the number of neighboring equivalent H. (3) The spacings between the lines is the coupling constant, J . When the nuclear spins of two groups of neighboring hydrogens ( H and H ) interact, the resonances of H and H will be split by the same J ....
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This note was uploaded on 07/22/2009 for the course CHEM 322AL taught by Professor Jung during the Summer '07 term at USC.

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