On the role of electronic molecular states of high spin multiplicity

Yaghlane, Saida Ben; Houria, A. Ben; Hochlaf, M.

doi:10.1007/978-1-4020-5460-0_11

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“…Recently, metastable negative ions, such as SN − and CS − , have been predicted to exist in electronic states having high-spin multiplicity [1,2,15]. Such high-spin electronic states are good candidates for metastable negative ions.…”

Section: Introductionmentioning

confidence: 97%

Ab initio characterization of electronically excited metastable states of S2 -

Edhay

Lahmar

Lakhdar

et al. 2007

Progress in Theoretical Chemistry and Physics

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Accurate ab initio calculations of the potential energy curves (PEC) of the electronic states of the neutral S 2 molecule and the S 2 − negative ion, correlating to the boundreveal that the depletion of the J = 7/2 component of the S 2 − (1 4 g ) state occurs mainly via weak interactions with the electron continuum wave.This quartet is found to possess several long-lived rovibrational levels which are located below the S 2 (c 1 u − ) parent neutral state. Those levels may be populated, at least, during low-energy collisions between S − ( 2 P u ) and S( 3 P g ).

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Section: Introductionmentioning

confidence: 97%