Organic Chemistry HNMR, CNMR, IR Spec

Methyl (CH3-R)

0.8-1.0

Methylene (R-CH2-R)

1.2-1.4

Methine (R3-CH)

1.4-1.7

Allylic + Benzyllic H

2.1-2.5

CHₓ-C=O

2.1-2.6

Alkyne (C≡C-H)

2-3.1

R-Br, R-Cl

3.3-3.8

Ether (R-O-R)

3.3-4.3

OH, NH2

0.5-5

Terminal Alkene (CH=CH2)

4.5-5.5

Internal Alkene (RCH=CHR)

4.5-6.5

Aromatic H

6.5-8.5

Aldehyde (CHO)

9-10

Carboxylic Acid (COOH)

11-13

Aldehyde/Ketone - CNMR*

190-210

COOH, COO, CON, COCl -CNMR*

170-185

Aromatic, Alkene, Nitrile - CNMR*

100-160

Alkyne - CNMR*

65-95

Alcohol, Ether - CNMR*

50-90

RX - CNMR*

20-50

Alkyl - CNMR*

5-45

OH, NH - IR Spectrum

3500 - 3200

Triple Bonds - IR Spectrum

2300 - 2100

Carbonyl - IR Spectrum

1800 - 1650

Double Bonds - IR Spectrum

1650 - 1500