
New TopShim run:

version = topshim 2.4.0
date = 2025-11-25
time = 16:48:17.026
command = topshim  1d tuneaxyz

FINE SHIMMING

Parameters:

probe = Z108618_0305
solvent = CDCl3
shim nucleus = 2H
nucleus optimised for = 1H
o1p (from lock) = 7.24 ppm

Results:


1D Shimming:
Low S/N encountered. The acquisition parameters will be changed to improve this issue.
echo time must be reduced
Iteration  1: FWHM Before= 0.3 Hz, Target= 0.9 Hz, After= 0.2 Hz
Iteration  2: FWHM Before= 0.2 Hz, Target= 0.5 Hz, After= 0.4 Hz
Iteration  3: FWHM Before= 0.4 Hz, Target= 0.2 Hz, After= 1.0 Hz
Iteration  4: FWHM Before= 1.0 Hz, Target= 0.3 Hz
Shim succeeded

Lineshape quality factor (1D spectrum, spinning) = 1.27


Performing tune after shimming
tune lock level increase = 1.8

shim changes: 
Z	+306
Z2	-982
Z3	+377
Z4	-14834
Z5	+9243

duration = 3 min 15 sec
completed successfully
finished Tue Nov 25 16:51:30 2025


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