
New TopShim run:

version = topshim 2.4.0
date = 2026-10-01
time = 18:31:53.869
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= 2.1 Hz, Target= 0.2 Hz, After= 0.3 Hz
Iteration  2: FWHM Before= 0.3 Hz, Target= 0.2 Hz, After= 0.4 Hz
Iteration  3: FWHM Before= 0.4 Hz, Target= 0.4 Hz, After= 0.5 Hz
Iteration  4: FWHM Before= 0.5 Hz, Target= 0.4 Hz, After= 0.3 Hz
Shim succeeded

Lineshape quality factor (1D spectrum, spinning) = 0.387


Performing tune after shimming
tune lock level increase = 1.0

shim changes: 
Z	+52
Z2	+3
Z3	-163
Z4	+35
Z5	+681

duration = 2 min 45 sec
completed successfully
finished Thu Oct  1 18:34:37 2026


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