Published in

American Institute of Physics, The Journal of Chemical Physics, 20(127), p. 204105

DOI: 10.1063/1.2801986

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An analytical derivative procedure for the calculation of vibrational Raman optical activity spectra

Journal article published in 2007 by Vincent Liégeois, Kenneth Ruud ORCID, Benoı̂t Champagne
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

We present an analytical time-dependent Hartree-Fock algorithm for the calculation of the derivatives of the electric dipole–magnetic dipole polarizability with respect to atomic Cartesian coordinates. Combined with analogous procedures to determine the derivatives of the electric dipole–electric dipole and electric dipole–electric quadrupole polarizabilities, it enables a fully analytical evaluation of the three frequency-dependent vibrational Raman optical activity (VROA) invariants within the harmonic approximation. The procedure employs traditional non-London atomic orbitals, and the gauge-origin dependence of the VROA intensities has, therefore, been assessed for the commonly used aug-cc-pVDZ and rDPS:3-21G basis sets.