作者: Liyuan Hou , Jucai Yang , Hongmei Ning
DOI: 10.1007/S00894-014-2443-X
关键词:
摘要: The structures and energies of neutral charged arsenic sulfides As n S2 (−1,0,+1) (n = 1–6) were investigated systematically by means the Gaussian-3 (G3) scheme. ground-state these species are presented. S2 can be viewed as lowest-energy structure n+1S replacing an As atom with a S atom. To more precise, n+2 two atoms atoms, in which feature sulfur bonding is edge-bridging. No rule could found for ground state − +. In −, either edge-bridging or terminal atom, AsnS2 + analogous to S2. potential energy surfaces As4S2 its very flat. So co-existence many isomers possible. reliable adiabatic electron affinities (AEAs) ionization potentials (AIPs) estimated. There odd-even alternations both AEAs AIPs function size dissociation (DEs) [and/or ion S(−/+)] from clusters their ions calculated used reveal relative stability.