Dependences of the Interatomic Quasielastic Force Coefficient and the Root-Mean-Square Amplitude of Thermal Vibrations of Atoms on the Configuration of Valence Electrons

The interatomic quasielastic force coefficient f and the root-mean-square amplitude of thermal vibrations √︀u2 of atoms in s-, d-, and p-elements located in various groups of Mendeleev’s Periodic Table are calculated. It is found that, with an increase in the atomic number of elements in the groups, the quasielastic force coefficient f and the amplitudes √︀u2 of thermal vibrations of atoms in the s-, d-, and p-elements change according to different patterns depending on the atomic number of the element in a group. The discovered regularities can be explained by the configurational model of the electronic structure of matter.

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