Journal
JOURNAL OF CHEMICAL PHYSICS
Volume 122, Issue 19, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.1900085
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Interaction potentials of the iodine atom, atomic cation, and anion with light rare-gas atoms from He to Ar are calculated within the unified ab initio approach using the unrestricted coupled-cluster with singles and doubles and perturbative treatment of triples correlation treatment, relativistic small-core pseudopotential, and an extended basis set. Ab initio points are fit to a flexible analytical function. The calculated potentials are compared with available literature data, assessed in the I--and I+-ion mobility calculations and the Ar-I--anion zero electron kinetic-energy spectra simulations, and analyzed using the correlation rules. The results indicate a high precision of the reported potentials. (c) 2005 American Institute of Physics.
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