
New TopShim run:

version = topshim 2.4.0
date = 2026-10-27
time = 16:04:52.169
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=96.5 Hz, Target= 1.0 Hz, After= 1.2 Hz
Iteration  2: FWHM Before= 1.2 Hz, Target= 1.3 Hz, After= 2.6 Hz
Iteration  3: FWHM Before= 2.6 Hz, Target= 1.5 Hz, After= 2.0 Hz
Iteration  4: FWHM Before= 2.0 Hz, Target= 0.3 Hz, After= 2.3 Hz
Iteration  5: FWHM Before= 2.3 Hz, Target= 1.8 Hz, After= 2.4 Hz
Iteration  6: FWHM Before= 2.4 Hz, Target= 1.1 Hz, After= 0.3 Hz
Shim succeeded

Lineshape quality factor (1D spectrum, spinning) = 0.998

shim changes: 
Z	-4005
Z2	-7050
Z3	-16068
Z4	-18708

duration = 6 min 11 sec
completed successfully
finished Tue Oct 27 16:11:02 2026


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