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NMR IR - Flashcards

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Class:CHEM - Organic Chemistry 1 - Introduction
Subject:Chemistry
University:Brigham Young University
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      Mode:   CARDS LIST       ? pages   PRINT EXIT
1-1.5 Alkyl
1.75-2.25 alpha to carbonyl O=C-C-H or allylic R2-C=C-C-H
3-4.5 CH-X, X = electron withdrawing
4-6 vinyl C=CH
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7.90-8.25 aromatic
8.5-9.5 RCHO (aldehyde)
9.5-10.5 RCO2H carboxylic acid
3600-3300 O-H large extremely large is almost always COOH
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3300-3200 C-H sp
3100-3000 C-H sp3
3200-3100 sp2 C-H
2900-2800 -C=O aldehyde | H (C-H)
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2200-2000 C=-C N=-C
1800-1600 R2-C=O (carbonyl, aldehydes, ketones, carboxylic acids, esters)
1600 R2-C=C-R2 weak
1100 C-O
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<1100 fingerprint region
3600-3300 two fairly strong spikes 1 degree N-H b/c 2 N-H, N-H OH is a little deeper
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 1-1.5Alkyl
 1.75-2.25alpha to carbonyl O=C-C-H
or allylic R2-C=C-C-H
 3-4.5CH-X, X = electron withdrawing
 4-6vinyl C=CH
 7.90-8.25aromatic
 8.5-9.5RCHO (aldehyde)
 9.5-10.5RCO2H carboxylic acid
 3600-3300O-H large

extremely large is almost always COOH
 3300-3200C-H sp
 3100-3000C-H sp3
 3200-3100sp2 C-H
 2900-2800-C=O aldehyde
|
H (C-H)
 2200-2000 C=-C
N=-C
 1800-1600R2-C=O

(carbonyl, aldehydes, ketones, carboxylic acids, esters)
 1600R2-C=C-R2 weak
 1100C-O
 <1100fingerprint region
 3600-3300 two fairly strong spikes1 degree N-H b/c 2 N-H, N-H

OH is a little deeper
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