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Comparison of the theoretical and experimental O=C-C=C-NH- stretching frequencies of a model trans-enamine acyl-enzyme and isotopologues.
 | |||
|---|---|---|---|
| A trans-enamine (-NH-) |
B trans-enamine (-ND-) |
C trans-enamine (-ND-, D at C6) |
|
|
Theoretical O=C-C=C-N- stretch (cm−1) |
1594 | 1590 | 1579 |
|
Experimental O=C-C=C-N- stretch (cm−1) |
1595 | - | 1581 |
