Molekel can compute and display:

  • Distance between two atoms (enabled when two atoms selected)
    • Select two atoms and press the Measure toolbar button or select the Analysis-Compute Distance menu item;
  • Angle among three atoms (enabled when three atoms selected)
    • Select three atoms and press the Measure toolbar button or select Analysis-Compute Angle menu item
  • Dihedral angle (enabled when four atoms selected)
    • Select four atoms and press the Measure toolbar button or select Analysis-Compute Dihedral Angle menu item

The computed data is displayed in the status bar.

To enable multiple atom selection:

  1. Enable molecule interaction
  2. Enable picking of individual atoms
  3. Select the molecule
  4. Hold down the Shift key while selecting the atoms