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15 Cards in this Set
- Front
- Back
|
Ester |
1740 |
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Conjugated carbonyl |
1680 |
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Conjugated C=C Double bond |
1600 |
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|
Unconjugated carbonyl |
1720 |
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|
Unconjugated double C=C bond |
1630-1640 |
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Alkenes |
1600-1850 |
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|
C=N |
1660 |
|
|
Double bond region |
1600 - 1850 |
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What effect does hybridization state have in wavenumber |
sp > sp2 > sp3
More bonds to carbon increases the strength and reduces the bond length to hydrogen, thereby increasing energy and thus wavenumber. |
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|
C(sp)-H |
3300
Recall hybridization states |
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C(sp2)-H |
3100 |
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Double bond region? |
1600-1850 |
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Carboxylic acid IR spec |
Broad signals from 2200-3600 With carbonyl spike at ~1720 |
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What FG contains 2 broad signals between 3200 & 3600? |
Alcohol |
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What FG has signals between 1600 & 1700? |
Double bonds |
