... Calculation of anharmonic intensities in the Vibrational Raman Spectrum and a Full Interpretation of the Vibrational spectrum of trans -1,3-butadiene . ... For a rigorous analysis of such molecules it is necessary to measure Raman spectra and to have a corresponding theoretical model for calculation of anharmonic intensities. ... The method of calculation of scale factors of anharmonic force field was proposed. ... Moscow University Chemistry Bulletin . 2010, Vol. ...