Dissociative Electron Attachment to 2,3,6,7,10,11-Hexabromotriphenyleneстатья
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Дата последнего поиска статьи во внешних источниках: 18 марта 2020 г.
Аннотация:2,3,6,7,10,11-Hexabromotriphenylene (HBTP) and 2,3,6,7,10-pentabromotriphenylene (PBTP) were investigated by means of Dissociative Electron Attachment Spectroscopy (DEAS). The dominant decay channel of the transient molecular negative ions consists in elimination of Brˉ with resonances in the low electron energy region. Formation of long-lived parent anions with autodetachment lifetime τa=310 μs is observed at thermal electron energies. The adiabatic electron affinities, EAa=1.12±0.1 eV in HBTP and 1.09±0.1 eV in PBTP, evaluated using a simple Arrhenius approach are in good agreement with those predicted by DFT (XYG3/Def2-TZVPP//PBE0/Def2TZVPP) calculations.