Newman Navigator
Pick a molecule, choose a bond, and look straight down it. The circle is the back carbon; lines to the centre belong to the front carbon.
1 Choose a molecule
Examples: · · · · . On iPad you can write in this box with Apple Pencil.
Draw zigzag lines; every corner and end is a carbon. Tap a corner to change the atom, tap a bond to make it double or triple.
2 Pick a bond
Tap a bond in the 3D model, or pick one here.
3 Rotate the back carbon
Drag the slider, or drag around the Newman circle.
4 Torsional energy
5 Try it
Newman view · circle = back carbon
Bond
Dihedral
Energy