
New TopShim run:

version = topshim 2.4.0
date = 2026-10-27
time = 18:04:07.954
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= 9.5 Hz, Target= 0.2 Hz, After= 3.0 Hz
Iteration  2: FWHM Before= 3.0 Hz, Target= 4.6 Hz, After= 5.3 Hz
Iteration  3: FWHM Before= 5.3 Hz, Target= 5.7 Hz, After= 7.4 Hz
Iteration  4: FWHM Before= 7.4 Hz, Target= 6.9 Hz, After= 7.4 Hz
Iteration  5: FWHM Before= 7.4 Hz, Target= 4.7 Hz, After= 4.8 Hz
Iteration  6: FWHM Before= 4.8 Hz, Target= 4.0 Hz, After= 5.2 Hz
Iteration  7: FWHM Before= 5.2 Hz, Target= 5.1 Hz, After= 3.6 Hz
Iteration  8: FWHM Before= 3.6 Hz, Target= 3.2 Hz
Shim succeeded

Lineshape quality factor (1D spectrum, spinning) = 3.15

shim changes: 
Z	-116
Z2	+281
Z3	+83
Z4	-1351

duration = 12 min 56 sec
completed successfully
finished Tue Oct 27 18:17:02 2026


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