
New TopShim run:

version = topshim 2.4.0
date = 2025-11-18
time = 15:00:38.137
command = topshim  1d tuneaxyz

FINE SHIMMING

Parameters:

probe = Z108618_0305
solvent = CDCl3
shim nucleus = 2H
nucleus optimised for = 13C
o1p (from lock) = 7.24 ppm

Results:


1D Shimming:
Low S/N encountered. The acquisition parameters will be changed to improve this issue.
Iteration  1: FWHM Before=18.8 Hz, Target= 0.3 Hz, After= 0.5 Hz
Iteration  2: FWHM Before= 0.5 Hz, Target= 0.5 Hz, After= 0.6 Hz
Iteration  3: FWHM Before= 0.6 Hz, Target= 0.5 Hz, After= 0.5 Hz
Shim succeeded

Lineshape quality factor (1D spectrum, spinning) = 0.638


Performing tune after shimming
tune lock level increase = 1.0

shim changes: 
Z	-356
Z2	-240
Z3	-296
Z4	-878
Z5	-2542

duration = 2 min 32 sec
completed successfully
finished Tue Nov 18 15:03:08 2025


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