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14 Cards in this Set
- Front
- Back
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3500-3300 cm-1
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Alcohol: COH, or Amine: CNR2
alcohol is strong, broad amine is usually weak/medium, broad 2 peaks = 1 amine (RNH2) 1 peak = 2 amine (RR'NH) |
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3400-2400 cm-1
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Acid, COOH
very broad, also will have C=O at ~1700 |
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3300 cm-1
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Alkyne (terminal)
sharp, triple bond, also will have 2150 peak |
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3050 cm-1
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alkene or aromatic
=C-H, usually weak |
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2950 cm-1
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alkane -C-H stretch, usually weak
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2750 cm-1
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aldehyde, CHO
=C-H stretch, also 1700 peaks |
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2250 cm-1
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Nitrile, med to str
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2150 cm-1
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Alkyne
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1810, 1760 cm-1
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anhydride, (CO)2O
C=O, -30 in conj. |
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1800 cm-1
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acid chloride, COCl. -30 if conj.
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1735 cm-1
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Ester, COOR, C=O str, -25 if conj at C=O, +30 if conj at O
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1725
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Aldehyde, CHO. C=O str, -30 if conj. also 2750 peak
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1715
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Ketone, C=O. NO 2750 peak
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1710 cm-1
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Acid, COOH C=O strong, broad 3400-2400 OH
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