Infrared Spectroscopy Flashcards by Lizard _ | Brainscape

Q

3300-2500 (broad, strong)

A

O-H stretch (carboxylic acid)

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Q

3000-2840 (variable)

A

C-H alkane stretch

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Q

3650-3200 (broad, strong)

A

O-H stretch (alcohols)

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Q

1750-1735 (strong)

A

C=O stretch (ester)

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Q

2260-2100 (variable)

A

C≡C or C≡N stretch

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Q

1760-1710 (strong)

A

C=O stretch (carboxylic acid)

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Q

1750-1690 (strong)

A

C=O stretch (aldehyde or ketone)

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Q

3500-3250 (medium)

A

N-H stretch (amide, amine)

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Q

3150-3000 (variable)

A

C-H alkene or arene stretch

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Q

1680-1620 (medium)

A

C=C stretch

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Q

3330-3260 (strong)

A

C-H alkyne stretch

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