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The progressive-stiffness method applied to XY4 molecules in the light of the theory of characteristic frequencies

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Abstract

It is shown that the success of progressive stiffness when applied to tetrahedral XY4 molecules is due to the existence of three approximate characteristics. On separating the group of all angular coordinates for the υ4(F2) vibrations, the noncharacteristic frequency and form coefficients a and βs are approximately equal to zero; on separating the group of all the valence coordinates for the υ3(F2) vibrations, α is approximately zero.

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Authors and Affiliations

  1. Ivanovo Institute of Chemical Technology, USSR

    V. N. Vinogradova & I. N. Godnev

Authors
  1. V. N. Vinogradova
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  2. I. N. Godnev
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Vinogradova, V.N., Godnev, I.N. The progressive-stiffness method applied to XY4 molecules in the light of the theory of characteristic frequencies. Soviet Physics Journal 8, 43–46 (1965). https://doi.org/10.1007/BF00823736

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  • DOI: https://doi.org/10.1007/BF00823736

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