01:160:307 Chapter 13: Ch13-2

• School: Rutgers University
• Department: Chemistry
• Course: 01:160:307
• Professor: Boikkes

Document Summary

The!number!of! nearby!nuclei! group!of! represented!by!the! interac>ng!with!the! equivalent!nuclei! signal! nucleus! Equivalent hydrogens: are hydrogens that have the same chemical environment. A molecule with one set of equivalent hydrogens gives one. C h3 c c h3 c l ch 2 c h2 c l. These cases of equivalence are due to symmetry; other principles can cause equivalence as well. All three 1h nuclei of the methyl group are equivalent due to rotation; both 1h nuclei of the methylene group are equivalent. 19f nuclei are equivalent due to cyclohexane inversion. A molecule with two or more sets of equivalent hydrogens gives. Ch3chcl b a a b b a a. Cyclopent- (z)-1-chloro- ethane anone (2 signals) (2 signals) propene (3 signals) a different nmr signal for each set. c c b b a a. Oc 307 chapter 13 nmr spectry-3 h. d. roth chloromethyl methyl ether: two different groups - two signals.