| Coupling
Constants |
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| Multiplets consist of 2nI + 1 lines |
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| I
is the nuclear spin quantum number (usually 1/2) and |
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| n
is the number of neighboring spins. |
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| The ratios
between the signal intensities within multiplets are governed |
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| by the numbers
of Pascals triangle. |
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| Configuration |
| Peak Ratios |
| A |
| 1 |
| AX |
| 1:1 |
| 1:2:1 |
| 1:3:3:1 |
| 1:4:6:4:1 |