ChemDraw User's Manual - CambridgeSoft

The structures are generated to a newdocument.The selection rectangle surrounds the selectedobjects.AdministratorCH 311CH 31CH 3OUltraSpectrum-Structure AssignmentsChemDraw Ultra enables you to assign structuresto spectra.You can then display the structureassociated with a specific peak by placing thepointer on that peak.Assigning Structures toSpectraTo assign structures to a spectrum:1. Open a spectral file.2. Draw the structure or structures you want toassign to the spectrum.3. Select specific atoms and bonds in thestructure.4. Shift-click the peak or peaks to which you wantthe structure assigned.1086PPM5. From the Structure menu, choose MakeSpectrum-Structure Assignment.The selected atoms and bonds in the structureare associated with the selected spectral peaks.Viewing SpectralAssignmentsTo view the spectral assignments:1. Click the Lasso or Marquee tool.2. Place the pointer over a peak.420146•Working With StructuresCambridgeSoftSpectrum-Structure Assignments