1H NMR Shifts
Pretsch, E. Tables of Spectral Data, Springer 2009
22SSI CHEM 143B
Klosterman
NMR Spectroscopy Handout
Coupling Constants
Relationship between coupling constants (3J, 2J) and dihedral angle ψ. Upper curves represent
original Karplus equation, lower curves are the Altona equation for heteroatom-substituted carbon chains.
©2022 Jeremy K. Klosterman. Do not copy or distribute without permission.
22SSI CHEM 143B
Klosterman
1H NMR Coupling Patterns and Constants
Crews,et al. Organic Structure analysis, Oxford 2010
Coupling Constants
2J) and dihedral angle ψ. Upper curves represent
Relationship
between
constants
(3J,copy
©2022 Jeremy
K. coupling
Klosterman.
Do not
or distribute without permission.
original Karplus equation, lower curves are the Altona equation for heteroatom-substituted carbon chains.