nJH,H-Coupling Constants

Absolute values are given.
most probable sign:
  1. 2JH,H- Coupling constants mostly negative
  2. 3JH,H- Coupling constants mostly positive
  3. n>3JH,H- Coupling constants positve/negative
Type J (Hz) Type J ( Hz)
[Picture] 12-15 [Picture] 2-9
[Picture] 0 [Picture] 6,5- 7,5
[Picture] 5,5- 7,0 [Picture]
  • aa 5-8
  • ae 2-4
  • ee 2-4
[Picture] 0,5- 3 [Picture] 7-12
[Picture] 13-18 [Picture] 4-10
[Picture] 0,5- 2,5 [Picture] 0
[Picture] 9- 13 [Picture] 2- 3
[Picture] 1- 3 [Picture] 2- 4
[Picture]
  • o 6- 9
  • m 1- 3
  • p 0- 1
[Picture]
  • 1-2 1,6-2,0
  • 1-3 0,6-1,0
  • 1-4 1,3-1,8
  • 2-3 3,2-3,8
[Picture]
  • 1-2 2,0-2,6
  • 1-3 1,5-2,2
  • 1-4 1,8-2,3
  • 2-3 2,8-4,0
[Picture]
  • 1-2 4,6-5,8
  • 1-3 1,0-1,8
  • 1-4 2,1-3,3
  • 2-3 3,0-4,2
[Picture]
  • 1-2 4,9-5,7
  • 1-3 1,6-2,6
  • 1-4 0,7-1,1
  • 1-5 0,2-0,5
  • 2-3 7,2-8,5
  • 2-4 1,4-1,9