
New TopShim run:

version = topshim 2.4.0
date = 2026-10-30
time = 17:05:32.907
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
echo time must be reduced

NOTE: very poor map quality encountered despite the CONVCOMP option being used.

Required SINO has not been achieved!
Please increase DURMAX if a better map quality is needed.
Required SINO has not been achieved!
Please increase DURMAX if a better map quality is needed.
Iteration  1: FWHM Before=89.6 Hz, Target= 0.2 Hz, After= 0.9 Hz
Iteration  2: FWHM Before= 0.9 Hz, Target= 2.3 Hz, After= 0.2 Hz
Iteration  3: FWHM Before= 0.2 Hz, Target= 1.9 Hz, After= 1.8 Hz
Iteration  4: FWHM Before= 1.8 Hz, Target= 1.9 Hz, After= 0.4 Hz
Iteration  5: FWHM Before= 0.4 Hz, Target= 0.6 Hz, After= 2.5 Hz
Iteration  6: FWHM Before= 2.5 Hz, Target= 1.0 Hz, After= 0.2 Hz
Iteration  7: FWHM Before= 0.2 Hz, Target= 0.3 Hz, After= 0.3 Hz
Iteration  8: FWHM Before= 0.3 Hz, Target= 0.9 Hz, After= 0.6 Hz
Using the best result as the final shim state.

Lineshape quality factor (1D spectrum, spinning) = 1.32

shim changes: 
Z	-12431
Z2	-18825
Z3	-24793
Z4	-19242

duration = 12 min 49 sec
completed successfully
finished Fri Oct 30 17:18:20 2026


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