Organic Chemistry HNMR, CNMR, IR Spec
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Last updated 10:23 PM on 2/14/24
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25 Terms
1
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Methyl (CH3-R)
0.8-1.0
2
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Methylene (R-CH2-R)
1.2-1.4
3
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Methine (R3-CH)
1.4-1.7
4
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Allylic + Benzyllic H
2.1-2.5
5
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CHₓ-C=O
2.1-2.6
6
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Alkyne (C≡C-H)
2-3.1
7
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R-Br, R-Cl
3.3-3.8
8
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Ether (R-O-R)
3.3-4.3
9
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OH, NH2
0.5-5
10
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Terminal Alkene (CH=CH2)
4.5-5.5
11
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Internal Alkene (RCH=CHR)
4.5-6.5
12
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Aromatic H
6.5-8.5
13
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Aldehyde (CHO)
9-10
14
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Carboxylic Acid (COOH)
11-13
15
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Aldehyde/Ketone - CNMR*
190-210
16
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COOH, COO, CON, COCl -CNMR*
170-185
17
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Aromatic, Alkene, Nitrile - CNMR*
100-160
18
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Alkyne - CNMR*
65-95
19
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Alcohol, Ether - CNMR*
50-90
20
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RX - CNMR*
20-50
21
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Alkyl - CNMR*
5-45
22
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OH, NH - IR Spectrum
3500 - 3200
23
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Triple Bonds - IR Spectrum
2300 - 2100
24
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Carbonyl - IR Spectrum
1800 - 1650
25
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Double Bonds - IR Spectrum
1650 - 1500
Note 
Flashcards (40)