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You can either watch this video or read the starting guide.
Carrying out of predictions in Mnova with the NMRPredict Desktop plugin is very easy and intuitive. Click here to download the mol file used on this starting guide.
1. Just, import a molecular structure. Currently, molecular structures can be imported as a .mol file by simply using the Open command exactly in the same way as this would be applied to a spectrum. Bear in mind, that you are currently able to copy&paste .cdx structures from ChemDraw and .mol from IsisDraw but not drag&drop them. Support to ‘drag & drop’ operations are currently limited to ChemSketch.
2. Right click on the molecule structure and select ‘Predict Spectrum ‘ (1H, 13C, 31P, 19F, 15N, 17O, 29Si).
3. After that, you will obtain the desired predicted spectrum which can be analyzed as a real one (e.g. it can be integrated, peak picking, etc).
Finally, if you want to know the “predicted assignment”, just hover the mouse over the desired atom, (so that it becomes highlighted in a red box) and the corresponding signal in the spectrum will automatically highlight in blue (increasing slightly its intensity); or vice versa (hovering the mouse over the peak will highlight the corresponding atom on the molecular structure).
A similar procedure will be followed to run X-Nuclei predictions: 31P, 19F, 15N, 17O, 29Si. In this case, just follow the menu ‘Molecule’ and select the desired option:
This feature will calculate in the background a simulation of the spectrum of the molecular structure present in the spectral window, highlighting the expected chemical shifts when the user hovers the mouse over a proton or a carbon.
The user will be able to use this tool just by pasting the corresponding molecular structure over the spectrum and following the menu ‘Analysis//Predict & Highlight/Predict’, as shown in the picture below:
Hovering the mouse over an atom will highlight the area on the spectrum corresponding to the simulated value for that atom.
Just paste the corresponding molecular structure over the spectrum and follow the menu ‘Analysis/Predict/Predict & Compare’, as shown in the picture below:
This feature displays, in stacked mode, a simulated spectrum for the molecular structure present in the spectral window, highlighting the expected chemical shifts when the user hovers the mouse over an atom on the molecule. This tool can be very useful as assistance in the process of assigning 1H and 13C NMR spectra.