The dependence of the polarizability of the molecular complexes X2---Y from the distance between the Y atom and X2 molecule, from the internuclear separation of the molecule X2, and the orientation of the molecule X2 in the complex has been theoretically investigated. The polarizability calculations of the complex were carried out within the framework of modified DID model in which the molecule forming the dimer is represented as two anisotropic effective atoms. The polarizability of these effective atoms was determined by the polarizability of the X2 molecule and its orientation in the dimer. The polarizabilities of the complexes X2---Y (X2.=N2, O2 and Y = He, Ne, Ar, Kr, Xe) have been calculated.
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