Athanor by arbastro
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How to add an energy diagram that follows the animation

In the Timeline, press the Energy diagram button. An energy profile appears on the canvas, with the steps along the bottom and a marker that follows the playhead as the animation plays.

Steps

  1. Make an animation with at least two steps. See How to animate a reaction mechanism.

  2. In the Timeline's bar, press Energy diagram. On a narrow window it moves into the bar's ⋯ (More) menu.

  3. An energy profile appears in the corner of the canvas: the steps run along the bottom, with a peak at the transition state. A marker shows where the playhead is.

    An energy profile beside the SN2 animation, with its marker at the start of the reaction.An energy profile beside the SN2 animation, with its marker at the start of the reaction.

  4. Press Play. The marker moves along the curve with the animation.

  5. Press Energy diagram again to hide it.

Prediction

The curve is schematic, not computed: its label says so ("Schematic, not computed. Steps along the bottom."). It shows the shape of the reaction for teaching, not measured or calculated energies.

MechanismsHow to animate a reaction mechanismDraw a mechanism step with its curved arrows, open the Timeline (Animate in the top bar, or Ctrl+Shift+T) and press Animate my arrows. Athanor works out the steps that follow from the arrows and Play runs them as a film.

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Last updated Nov 12, 2026