Dipole (Hyper)Polarizability and Differential (Hyper)Polarizability in the Antimony Octamer Sb8
Abstract:We have calculated the electric (hyper)polarizability and differential-per-atom (hyper)polarizability of a highly symmetric isomer of the antimony octamer. Relying on a systematic sequence of basis sets specially designed for electric property calculations we estimate the polarizability and mean hyperpolarizability of Sb8 as α/e2a20E−1h = 401.3±12.0 and 10−3 × /e4a40E−3h = 260±26. The respective differential-per-atom properties are DPA/e2a20E−1h = 8 and 10−3 × DHPA/e4a40E−3h = 21. This is the opposite trend than that previously observed for silicon clusters. The (hyper)polarizability-per-atom for the antimony octamer is significantly lower than that of the tetramer.
Document Type: Research Article
Publication date: April 1, 2009
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