Nuclear Magnetic Resonance Facility (NMR) | VNMR - Quick Reference

Login your name and password
Activate VNMR (from CDE toolbar)
CDE Toolbar
VNMR Display Screen
Insert the NMR tube with spinner into the depth Gauge
Insert your sample, type e (eject), then i (insert) in the VNMR window
Click Main Menu – Setup – nucleus, solvent – click on sw5shims button
Main Menu
Read shims - click on (sw5shims) button
Click Acqi.
Acqi Window
Click Lock. Turn off lock and then set lock parameters (lockgain, lockpower) – see Table
Finding Lock
Click SHIM, Adjust z1 and z2 for maximum lock level.
Axial Shims (z1-z6)
Click Close.
Start Acquisition, GO WFT
Interactive spectrum display (ds program)
Phase the spectrum.
1H NMR spectrum (without phase)
1H NMR spectrum (with phasing, type aph)
Setting the reference (chemical shift) on the TMS
Adjust weighting functions
Line Broadening (lb) - optional
Click Part Integral, type cz to remove zeroes for the integral
Click Resets to define zeroes for the integral, click box to exit the resets program.
Spectrum with defined integral regions (with dotted lines)
Spectrum with defined integral regions (no dotted lines)
Setting Intensity of signal (Set Int program)
Spectrum with integral values (dpir program)
Inset program, see manual located in room #113
Type text (‘any information’) to attach a text to your spectrum.
Type Save the spectrum, type svf (‘file name’)
Threshold, for pick picking
Threshold, click on th button
Click Plot to print your spectrum (type pl pscale pir ppf pll page)
Plot commands (pl pscale pir ppf pll page)
Plot commands (pl pscale pir pll page)
Plot commands (pl pscale axis = 'h' ppf axis = 'p' page)
Type e (eject) in the VNMR input window to eject from the magnet, then insert standard sample type i (insert)
Exit VNMR, click Main Menu – More – click Exit VNMR or type exit in the VNMR input window
Click exit (from CDE toolbar) then click OK to logout.

VNMR – Quick Reference