Covalent anion of Li(HF) 3-system. An ab initio study
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Abstract
31++G** and CCSD(T)/6-31++G** level of theory. Five possible conformers of Li(HF) 3- molecular anions
have been determined employing ab initio MP2 method with 6-31++G** basis set. The most stable
conformer of five Li(HF) 3- anions is in a cyclic ring structure Li(HF) 3- (1). From our calculations we show
that the molecule is stable towards electron attachment, with an electron adiabatic electron affinity
(AEA) of 199.5 meV (233.1 meV with zero point energy correction) and 471.3 meV at the MP2 and
CCSD(T) levels, respectively. In addition we present vertical detachment energies of 230.2 meV and 795.8
meV at the MP2, CCSD(T), respectively. The importance of the latter has to do with the ability of
experimental detection of this value.
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