
New TopShim run:

version = topshim 4.4.0
date = 2026-05-05
time = 14:14:39.098
command = topshim 1d ls coil=1H ls tuneaxyz ordmax=6

FINE SHIMMING

Parameters:

probe = Z113652_0123
solvent = CDCl3
shim nucleus = 2H
nucleus optimised for = 1H
o1p (from lock) = 7.24 ppm

Results:


1D Shimming:
echo time must be reduced
echo time must be reduced
Low S/N encountered. The acquisition parameters will be changed to improve this issue.
echo time must be reduced
echo time must be reduced
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= 4.1 Hz, Target= 0.3 Hz, After= 1.3 Hz
Required SINO has not been achieved!
Please increase DURMAX if a better map quality is needed.
Iteration 2: FWHM Before= 1.3 Hz, Target= 0.3 Hz, After= 1.6 Hz
Required SINO has not been achieved!
Please increase DURMAX if a better map quality is needed.
Iteration 3: FWHM Before= 1.6 Hz, Target= 1.4 Hz, After= 0.4 Hz
Shim succeeded

Lineshape quality factor (1D spectrum, spinning) = 1.16


Performing tune after shimming
tune lock level increase = 1.0

shim changes: 
Z	-129
Z2	-160
Z3	-148
Z4	+840
Z5	+83
Z6	-2590
X	-1
Y	-3

duration = 15 min 48 sec
completed successfully
finished Tue May  5 14:30:26 2026


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New TopShim run:

version = topshim 4.4.0
date = 2026-05-05
time = 14:32:06.016
command = topshim 1d ls coil=1H ls tuneaoff lockoff 1h o1p=7.29 selwid=0.5 ordmax=6

FINE SHIMMING

Parameters:

probe = Z113652_0123
solvent = CDCl3
shim nucleus = 1H
nucleus optimised for = 1H
o1p (set) = 7.29 ppm
selective excitation width = 0.5 ppm

Results:

shim changes: none

duration = 2 sec
completed with failure
finished Tue May  5 14:32:07 2026

TopshimLock::getLockAndSweepStatus - lock is on despite option 'lockoff' being used: please switch off the lock or take away the 'lockoff' option


========================================================================

New TopShim run:

version = topshim 4.4.0
date = 2026-05-05
time = 14:32:57.577
command = topshim 1d ls coil=1H ls tuneaoff lockoff 1h o1p=7.29 selwid=0.5 ordmax=6

FINE SHIMMING

Parameters:

probe = Z113652_0123
solvent = CDCl3
shim nucleus = 1H
nucleus optimised for = 1H
o1p (set) = 7.29 ppm
selective excitation width = 0.5 ppm

Results:


1D Shimming:
Iteration 1: FWHM Before= 1.6 Hz, Target= 0.2 Hz, After= 0.8 Hz
Iteration 2: FWHM Before= 0.8 Hz, Target= 0.2 Hz, After= 0.5 Hz
Iteration 3: FWHM Before= 0.5 Hz, Target= 0.2 Hz, After= 0.2 Hz
Iteration 4: FWHM Before= 0.2 Hz, Target= 0.2 Hz, After= 0.4 Hz
Iteration 5: FWHM Before= 0.4 Hz, Target= 0.3 Hz, After= 0.4 Hz
Iteration 6: FWHM Before= 0.4 Hz, Target= 0.3 Hz, After= 0.3 Hz
Shim succeeded

Lineshape quality factor (1D spectrum, spinning) = 0.39

shim changes: 
Z	-26
Z2	+84
Z3	+69
Z4	-957
Z5	-116
Z6	+2044

duration = 30 sec
completed successfully
finished Tue May  5 14:33:27 2026


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