
New TopShim run:

version = topshim 2.4.0
date = 2025-12-03
time = 14:41:24.281
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.
Iteration  1: FWHM Before=15.8 Hz, Target= 0.2 Hz, After= 0.4 Hz
Iteration  2: FWHM Before= 0.4 Hz, Target= 0.3 Hz, After= 0.3 Hz
Iteration  3: FWHM Before= 0.3 Hz, Target= 0.2 Hz, After= 0.3 Hz
Iteration  4: FWHM Before= 0.3 Hz, Target= 0.2 Hz, After= 0.4 Hz
Iteration  5: FWHM Before= 0.4 Hz, Target= 0.3 Hz, After= 0.3 Hz
Iteration  6: FWHM Before= 0.3 Hz, Target= 0.2 Hz, After= 0.3 Hz
Iteration  7: FWHM Before= 0.3 Hz, Target= 0.3 Hz
Shim succeeded

Lineshape quality factor (1D spectrum, spinning) = 0.396


Performing tune after shimming
tune lock level increase = 1.1

shim changes: 
Z	-316
Z2	-101
Z3	-568
Z4	-280
Z5	-853

duration = 3 min 38 sec
completed successfully
finished Wed Dec  3 14:45:00 2025


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