NMR and IR Flashcards
(27 cards)
what is the chemical shift of a ketone in 13 C NMR
210
what is the chemical shift of a aldehyde in 13 C NMR
200
what is the chemical shift of a carboxylic acid in 13 C NMR
175
what is the chemical shift of the carbonyl carbon in an ester in 13 C NMR
175
what is the chemical shift of an amide in 13 C NMR
170
what is the chemical shift of an acyl chloride in 13 C NMR
170
what is the chemical shift of aromatic carbons in 13 C NMR
100-150
what is the chemical shift of a nitrile in 13 C NMR
120
what is the chemical shift of an alkene in 13 C NMR
120
more than 120 for a more substituted carbon in an alkene and less than 120 for a less substituted carbon in an alkene
what is the chemical shift of an alkyne in 13 C NMR
80
what is the chemical shift of a carbon bonded to a nitro group in 13 C NMR
80
what is the chemical shift of an ether in 13 C NMR
60
what is the chemical shift of an alcohol in 13 C NMR
60
what is the chemical shift of an alkyl halide in 13 C NMR
10-65
what is the chemical shift of an alkyl in 13 C NMR
0-50
more substituted alkyl carbons have a higher chemical shift
what is the chemical shift of a carboxylic acid (hydroxyl proton) in 1 H NMR
10-13
what is the chemical shift of an aldehyde proton in 1 H NMR
9.5-10.5
what is the chemical shift of an aromatic proton in 1 H NMR
6-8.5
what is the chemical shift of an amide proton (on the nitrogen) in 1 H NMR
5.5-8.5
what is the chemical shift of a phenolic proton in 1 H NMR
4.5-7
what is the chemical shift of a vinylic (i.e. alkene) proton in 1 H NMR
4.5-5.5
what is the chemical shift of an alkyl proton in 1 H NMR
1-2
what is the chemical shift of an ketone proton in 1 H NMR
2-3
what is the chemical shift of a benzylic proton in 1 H NMR
2-3
