Dissociative photodetachment of SO2·SO2-: Evidence for the S-O bound dimer

Runjun Li; Leah Nani S. Alconcel; Robert E. Continetti

doi:10.1016/S0009-2614(01)00033-1

Dissociative photodetachment of SO₂·SO₂^-: Evidence for the S-O bound dimer

Runjun Li^*
, Leah Nani S. Alconcel
, Robert E. Continetti

^*Corresponding author for this work

Metallurgy and Materials

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

Studies of the dynamics of the dissociative photodetachment of (SO₂)₂^- reveal a strong preference in translational energy partitioning that can be related to the structure of (SO₂)₂^- using a simple impulse model. An anisotropic product angular distribution was also observed, indicative of a rapid dissociation on a repulsive potential energy surface. Over a wide range of available energies the translational energy distributions for this DPD process peak at ≈36% of the available energy, consistent with the soft-bond impulse model prediction that 33% of the available energy would appear in translation for an OSO-SO₂ geometry (S-O bound) dimer anion.

Original language	English
Pages (from-to)	81-87
Number of pages	7
Journal	Chemical Physics Letters
Volume	336
Issue number	1-2
DOIs	https://doi.org/10.1016/S0009-2614(01)00033-1
Publication status	Published - 9 Mar 2001

Bibliographical note

Funding Information:
This work was supported by the Chemistry Division of the National Science Foundation under grant CHE 97-00142. R.E.C. is a Camille Dreyfus Teacher–Scholar, and Alfred P. Sloan Research Fellow and a Packard Fellow in Science and Engineering. L.S.A. acknowledges the support of a Cota Robles Fellowship.

ASJC Scopus subject areas

General Physics and Astronomy
Physical and Theoretical Chemistry

Access to Document

10.1016/S0009-2614(01)00033-1

Cite this

@article{21b87ed5fbca4237a9290039b37449be,

title = "Dissociative photodetachment of SO2·SO2-: Evidence for the S-O bound dimer",

abstract = "Studies of the dynamics of the dissociative photodetachment of (SO2)2- reveal a strong preference in translational energy partitioning that can be related to the structure of (SO2)2- using a simple impulse model. An anisotropic product angular distribution was also observed, indicative of a rapid dissociation on a repulsive potential energy surface. Over a wide range of available energies the translational energy distributions for this DPD process peak at ≈36\% of the available energy, consistent with the soft-bond impulse model prediction that 33\% of the available energy would appear in translation for an OSO-SO2 geometry (S-O bound) dimer anion.",

author = "Runjun Li and Alconcel, \{Leah Nani S.\} and Continetti, \{Robert E.\}",

note = "Funding Information: This work was supported by the Chemistry Division of the National Science Foundation under grant CHE 97-00142. R.E.C. is a Camille Dreyfus Teacher–Scholar, and Alfred P. Sloan Research Fellow and a Packard Fellow in Science and Engineering. L.S.A. acknowledges the support of a Cota Robles Fellowship.",

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AU - Li, Runjun

AU - Alconcel, Leah Nani S.

AU - Continetti, Robert E.

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AB - Studies of the dynamics of the dissociative photodetachment of (SO2)2- reveal a strong preference in translational energy partitioning that can be related to the structure of (SO2)2- using a simple impulse model. An anisotropic product angular distribution was also observed, indicative of a rapid dissociation on a repulsive potential energy surface. Over a wide range of available energies the translational energy distributions for this DPD process peak at ≈36% of the available energy, consistent with the soft-bond impulse model prediction that 33% of the available energy would appear in translation for an OSO-SO2 geometry (S-O bound) dimer anion.

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