PRE Calculator (extended model free version)

Calculate longitudinal and transverse paramagnetic relaxation enhancement (PRE) rates for a molecule:

B0 field (MHz):

Distance between nucleus and paramagnetic center (Å):

Electron spin number:

Rotational correlation time (ns):

Electron relaxation time (ns):

Fast correlation time (ns):

Slow correlation time (ns):

Overall order parameter (S2, 0 - 1):

Fast order parameter (SF2, 0 - 1):

Nucleus type (1H, 13C, or 15N):

All PRE calculators: