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14 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
alkane (-CH3 and -CH2 stretch)
|
2900 cm-1
|
-- |
|
alkene (=CH2 stretch)
|
3100 cm-1
|
Hydrogen is light, so it can vibrate faster |
|
alkene (C=C stretch)
|
1650 cm-1 (absent of if symmetrical)
|
double bond in middle, so R groups on each side make it vibrate slower |
|
alkyne (:::C-H stretch)
|
3300 cm-1
|
Hydrogen is light, so it can vibrate faster |
|
alkyne (C:::C stretch
|
2100 cm-1 (absent if symmetrical)
|
triple bond in middle, so R groups on each side make it vibrate slower |
|
nitriles (C:::N stretch)
|
2250 cm-1
|
-- |
|
aldehydes (C(O)-H stretch/bend)
|
2720 cm-1
|
-- |
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aldeyhydes (C=O stretch)
|
1730 cm-1
|
-- |
|
ketones (C=O stretch)
|
1715 cm-1
|
-- |
|
ester
1. (C=O stretch) 2. (C(O)-O stretch) 3. (C-O stretch) |
1. 1740 cm-1
2. 1250 cm-1 3. 1050 cm-1 |
-- |
|
Carboxylic acids:
1. O-H stretch 2. C=O stretch 3. C(O)-O stretch |
1. 3160 cm-1 (BROAD)
2. 1710 cm-1 3. 1250 cm-1 |
-- |
|
Alcohols:
1. O-H stretch 2. C-O stretch |
1. 3350 cm-1 (BROAD)
2. 1060 cm-1 |
|
|
amines
( -NH2 and -NH stretch) |
3350 cm-1 (BROAD)
|
|
|
benzenes
(ring stretch) |
1600 cm-1
|
