IR Frequencies Word Scramble
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Question | cm -1 |
Alkane sp3 C-H stretch | 2950 |
Alkene sp2 C-H stretch | 3050 |
C=C stretch | 1600 (often weak) |
Alkynes sp C-H stretch | 3300 |
C-tb-C stretch | 2200 |
Alcohols O-H stretch | 3440 (usually big and broad) |
C-O stretch | 1150 |
Ketones C=O stretch | 1710 |
Aldehydes C=O stretch | 1710 |
Aldehydes C-H stretch | 2800 |
Esters C=O stretch | 1735 |
Esters C-O stretch | 1150 |
Carboxylic acids C=O stretch | 1710 |
Carboxylic acids O-H stretch | 3400 to 2800 (usually VERY big and broad) |
N-H stretch | 3400 |
1* amine (-NH2) | two peaks |
2* amine | one peak |
3* amine | no peak |
C-N stretch | about like C-O stretch |
Amides C=O | 1810 |
Acid Anhydrides two C=O stretches | 1820, 1760 |
Benzene Rings C-C ring bonds | 1450 |
Aromatic C-H out-of-plane bonding | 750 |
C-tb-N stretch | 2200 |
Created by:
reynoldsbn
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