DOI: https://doi.org/10.15587/1729-4061.2015.40569

Features rotational of vibrations of water molecules

Николай Тимофеевич Малафаев, Николай Иванович Погожих

Abstract


A local simulation of two-dimensional rotational vibrations of water molecules using the developed model of the dual-frequency spherical pendulum for inertia moment ratios k=IY/IX=1,5 and 3, characteristic of water molecules was performed. The simulation was carried out in a non-uniform gravity field of the form G1=gcosnθ with field non-uniformity indicators n=0…10. The possibility of transiting from independent two-dimensional rotational vibrations to one-frequency two-dimensional rotations was revealed. The regions of elliptic pendulum trajectories in nonuniform force fields were determined. The results are discussed in the framework of the model of the Jahn – Teller effect on the accountability of cooperative vibrations in the water. It is shown that the appearance of twodimensional elliptic rotations of water molecule protons around the hydrogen bond axes in the water liquid phase requires a nonuniform, along the force field angle, intermolecular interaction forces and cooperative rotational vibrations.


Keywords


water molecule; nonuniform force field; dual-frequency spherical pendulum; cooperative vibrations

References


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ISSN (print) 1729-3774, ISSN (on-line) 1729-4061