
PChemLabTXT | page 440 | https://thedailydialectics.com/pdfs/education/chemistry/p-chem/PChemLabTXT/PChemLabTXT.pdf
ic Rev. Confirming Pages Exp. 38 Vibrational-Rotational Spectra of Acetylenes 429 The normal modes are combinations of r, R, and 6 coordinates that provide an accu- rate description of the atomic motions as vibration takes place. These combinations must be chosen to have a symmetry corresponding to…