Intramolecular vibrational energy transfer is a process central to many physical and
chemical phenomena in molecules. Here, various theories describing the process are …

Conspectus The role of quantum mechanical coherences or coherent superposition states in
excited state processes has received considerable attention in the last two decades largely …

Vibrational spectroscopy of water contains a wealth of information about the structure and
dynamics of this fascinating substance. Theoretical modeling of fundamental vibrational …

The highly excited vibrational states of polyatomic molecules are investigated using
canonical Van Vleck perturbation theory, implemented in a superoperator framework. This …

Intramolecular H atom transfer in malonaldehyde is described using a reaction surface
Hamiltonian. This model utilizes two large amplitude, reaction‐coordinate‐like degrees of …

A theoretical model is presented for the vibrational dynamics of highly excited CH and CD
overtones in benzene and perdeuterobenzene. The origin, path, and time scale for the …

A simple vibrational curvilinear internal coordinate Hamiltonian for bent H2X molecules is
constracted by expanding the g matrix elements and the potential energy function in terms of …

The absorption spectrum of trifluoromethane has been recorded between 900 and 14 000
cm− 1 with resolutions between 0.004 and 0.5 cm− 1 (pressure broadened). 22 bands were …

The quantum mechanics of energy flow in many-dimensional Fermi resonant systems has
several connections to the theory of Anderson localization in disordered solids. We argue …

11. Simple Local and Normal Mode Models A. Bent Symmetrical Triatomic Molecules B.
Extension to Larger Molecules C. Local Modes in the Absence of Symmetry D. Limitations of …