
New TopShim run:

version = topshim 2.4.0
date = 2026-10-02
time = 20:03:35.910
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=15.7 Hz, Target= 0.4 Hz, After= 0.9 Hz
Iteration  2: FWHM Before= 0.9 Hz, Target= 0.2 Hz, After= 2.2 Hz
Iteration  3: FWHM Before= 2.2 Hz, Target= 0.6 Hz, After= 0.9 Hz
Iteration  4: FWHM Before= 0.9 Hz, Target= 1.1 Hz, After= 0.5 Hz
Iteration  5: FWHM Before= 0.5 Hz, Target= 0.8 Hz, After= 0.8 Hz
Iteration  6: FWHM Before= 0.8 Hz, Target= 1.2 Hz
Shim succeeded

Lineshape quality factor (1D spectrum, spinning) = 1.03

shim changes: 
Z	-4401
Z2	-8396
Z3	-19335
Z4	-29090

duration = 6 min 12 sec
completed successfully
finished Fri Oct 02 20:09:46 2026


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