Athanor by arbastro
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How to move, rotate and flip

Select and drag to move. Use Object › Rotate 90° clockwise or counterclockwise, or the rotate button on the selection bar; Object › Flip horizontally or Flip vertically mirrors the selection.

Move

Select and drag.

Rotate

  • Main menu › Object › Rotate 90° clockwise or Rotate 90° counterclockwise.
  • Or the rotate button on the bar above the selection, which offers 90° CW, 90° CCW and 180°.

Flip

Main menu › Object › Flip horizontally or Flip vertically mirrors the selection.

Ibuprofen flipped horizontally.Ibuprofen flipped horizontally.

Warning

Flipping a structure with wedges or hashes inverts its stereocenters. Check the R/S labels after a flip.

Selection and arrangingHow to select atoms, structures and objectsPress V. Click takes a whole structure, Marquee (M) takes only the atoms inside the box you drag, and Lasso (L) takes whatever you draw around. Select all is Ctrl+A, and Shift+click adds to the selection.Selection and arrangingHow to align and space structures evenlySelect at least two things (three to space them) and use Object › Align and space, or the Ctrl+Shift+Alt shortcuts: L, C and R align left edges, vertical centers and right edges; T, M and B align tops, horizontal centers and bottoms; H and V space evenly across and down.

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Last updated Nov 12, 2026