IR Frequencies Flashcards by Samantha Sleight

Q

3600-3300cm

A

OH, NH

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Q

3300 cm

A

Carbon Carbon Triple bond

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Q

3100 cm

A

C=C-H

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Q

2900 cm

A

C-H

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Q

2900-2800 cm

A

RCH=O

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Q

2200-2000 cm

A

Nitrile, terminal alkyne, internal alkyne

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Q

1800-1600 cm

A

Carbonyl

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Q

1600-1400 cm

A

C=C

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Q

1100-1200 cm

A

C-O

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Q

Carboxylic Acid Group

A

Huge OH peak

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Q

Aldehydes

A

Higher energy than other carbonyls

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Q

1600-1800 cm

A

C=O

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