Torsional Angle Driver (TorAD) System for HyperChem/Excel
Ronald Starkey · Journal of Chemical Education · 1999
The torsional angle driver system for HyperChem/Excel is a package of several Excel spreadsheets and macro programs to be used with HyperChem to obtain and plot information, such as total energy, for the conformations that result from a 360° rotation about a torsional angle system in a molecule.