Interaction energy surfaces for Li(22S) and Li (22P) with H2

Interac tion e ne rgy surfaces for the inte rac tion of Li(2'S) a nd Li(2' P) with H, a re ca lcul ated us in g ap proxlll~a t e Hart~ee-Fo c k tn al fun ctIOns.Th e c ross lll g of e nergy c urves is obse rv ed for C' v confor-matIon s If th e H, Inte rnucl ea r dIsta nce IS s uffi cle ntl:, la rge.No c ross in g is obse rved for co lin ea r co l-" ss lO ns for a ny H, d ista nce.Th e w av~ functio n of the stron gly a ttrac tiv e sta te involved in th e c rossin g is re la ted to th e me tastabl e negatIv e-Ion sta tes that a re postulated to account for reso na nt elec tron-molec ule scalle rin g. S uc h a c harge-tra nsfe r state ca n on ly be bound for C'v co nformatio ns for th e H, mol ec ul e.The lik e lih ood a nd geome try of th e c ro ss ing co mpl exes for othe r molecul es inte ractin g with alk ali s is di sc ussed in te rm s of the form a tIOn of th ese reso nan ce c harge• tran sfer sta tes.