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You can also assign a region of the spectrum just by clicking, dragging and releasing the mouse over the desired region. Once the assignment has been made, you will get an atom number label on the chemical shift and hovering the mouse over the atom will highlight the applicable peak in the spectrum and hovering the mouse over the peak will highlight the corresponding atom on the molecular structure. This peak will now be assigned to the atom (which will turn to green). Once your desired peak is highlighted on the spectrum, click on it to assign it. Then follow the menu 'Analysis/Assignment' (or use the shortcut 'A').Ĭlick on an atom on the molecular structure (or a spectrum region) and then release the mouse and drag it to your desired peak. Open your NMR spectrum and load a molecule structure. Mnova provides a very simple interface to assign your molecule. Note: Do not forget to have a look at our 1H NMR Automatic Assignments Tutorial