
New TopShim run:

version = topshim 4.4.0
date = 2026-10-01
time = 11:29:30.423
command = topshim 1d optsolvent coil=1H optsolvent tuneaoff hrmas

HRMAS SHIMMING

Parameters:

probe = Z180004_0001
angle PHI = 270.5 degree
solvent = H2O+D2O
shim nucleus = 1H
nucleus optimised for = 1H
o1p (from lock) = 4.70 ppm

Results:

Iteration 1: FWHM Before= 0.4 Hz, Target= 0.5 Hz, After=47.3 Hz
Iteration 2: FWHM Before=47.3 Hz, Target= 0.4 Hz, After= 8.0 Hz
Iteration 3: FWHM Before= 8.0 Hz, Target= 0.2 Hz, After= 1.6 Hz
Iteration 4: FWHM Before= 1.6 Hz, Target= 0.2 Hz, After=36.0 Hz
Iteration 5: FWHM Before=36.0 Hz, Target= 0.3 Hz, After= 0.5 Hz
Diverging behaviour detected. Shimming was aborted.
Rejecting all results and reverting to the initial shim state.

Lineshape quality factor (1D spectrum, MAS) = 1.59


MAS shims:
Z'	-16001
Z2'	+92154
Z3'	-46373
Z4'	+0


duration = 1 min 45 sec
completed successfully
finished Thu Oct  1 11:31:14 2026


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