The effect of intracluster photoelectron interactions on the angular distribution in I(-)*CH(3)I photodetachment

The Journal of Chemical Physics
Matthew Van DuzorRichard Mabbs

Abstract

I(-) and I(-)*CH(3)I velocity mapped photodetachment images are recorded over wavelengths between 270 and 370 nm. Spectral similarities, in conjunction with ab initio calculations show that the cluster anion comprises an atomic iodide anion moiety solvated by a relatively unperturbed CH(3)I molecule. Between 340-370 nm and at 280 nm, free I(-) is produced via a process analogous to dissociative electron attachment within the cluster anion. More strikingly, the photoelectron angular distribution for each species at a given electron kinetic energy is very different, despite detachment occurring from the iodide 5p orbital in each case. These observations reveal the effect of interaction of the photoelectron with the neutral cluster residue and are discussed in terms of resonances associated primarily with the CH(3)I molecule.

References

Jul 15, 1989·Physical Review A: General Physics·D HanstorpD J Larson
Feb 8, 2003·Annual Review of Physical Chemistry·Katharine L Reid
Mar 3, 2005·The Journal of Chemical Physics·Richard MabbsAndrei Sanov
Dec 22, 2005·The Journal of Physical Chemistry. a·M Shane BowenRobert E Continetti
May 25, 2006·Physical Chemistry Chemical Physics : PCCP·F Naumkin
Jul 23, 2009·Chemical Society Reviews·Richard MabbsAndrei Sanov

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Citations

Jun 15, 2011·The Journal of Chemical Physics·Matthew Van DuzorRichard Mabbs
Jun 7, 2011·The Journal of Chemical Physics·K Don Dasitha GunaratneA W Castleman
Nov 4, 2011·The Journal of Chemical Physics·Emily R Grumbling, Andrei Sanov
Jan 15, 2014·The Journal of Physical Chemistry. a·Foster MbaiwaRichard Mabbs

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Methods Mentioned

BETA
electron-molecule resonance
electron-molecule scattering

Software Mentioned

MERT

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