Abstract

The compact sets of the diffuse functions are suggested for better description of the polarization properties of the lanthanide atoms using the small-core effective core potentials and the corresponding basis sets. The pd and 2pdfg augmentations with exponents 0.028 and 0.015 (p), 0.032 (d) and 0.05 (f,g) are recommended for all lanthanides. Scalar and tensor dipole polarizabilities calculated using the multireference averaged quadratic coupled cluster method agree well with the literature data.

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