How do you find a torsion angle? - Answers

A torsion angle, also known as dihedral angle, is determined by the rotation around a bond connecting two atoms in a molecule. It is calculated using the positions of four atoms, typically labeled as A, B, C, and D, where A and D are the terminal atoms and B and C are the central atoms. The angle can be found using the vector cross product method or by applying the formula involving the scalar triple product of the vectors formed by these atoms. Tools like molecular modeling software or computational chemistry methods can also be used to visualize and calculate torsion angles.