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Solid‐state structures, based on a Cambridge Structural Database (CSD) search, show that there is a C α N/C′O  cis   attraction in the torsional system O  cis  C′C α N of valine, causing a chirality chain. The C α  configuration controls the chirality of the rotation around the C′−C α  bond, which in turn induces a distortion of the planar unit C α C′(O)O to a flat asymmetric tetrahedron. Conformational “reactions” take place in an energy profile with respect to clockwise and counterclockwise rotation around the C′−C α  bond as well as stretching and flattening of the tetrahedron. The molecular property C α N/C′O  cis   attraction of valine is maintained in its di‐ and tripeptides.

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The Chirality Chain in Valine: How the Configuration at the C α  Position through the O  cis  C′C α N Torsional System Leads to Distortion of the Planar Group C α C′(O  cis  )O  trans   to a Flat Tetrahedron