
New TopShim run:

version = topshim 2.4.0
date = 2026-10-30
time = 17:49:35.739
command = topshim  convcomp ordmax=4

FINE SHIMMING

Parameters:

probe = Z104275_0310
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= 0.4 Hz, Target= 0.3 Hz, After= 0.3 Hz
Iteration  2: FWHM Before= 0.3 Hz, Target= 4.2 Hz, After= 7.0 Hz
Iteration  3: FWHM Before= 7.0 Hz, Target= 8.9 Hz, After=10.6 Hz
Iteration  4: FWHM Before=10.6 Hz, Target= 0.2 Hz, After=10.3 Hz
Iteration  5: FWHM Before=10.3 Hz, Target= 0.3 Hz, After= 3.4 Hz
Iteration  6: FWHM Before= 3.4 Hz, Target= 0.6 Hz
Shim succeeded

Lineshape quality factor (1D spectrum, spinning) = 6.49

shim changes: 
Z	+346
Z2	+560
Z3	-1661
Z4	-5908

duration = 6 min 19 sec
completed successfully
finished Fri Oct 30 17:55:53 2026


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