Interesting Behavior Of The Si3o2+ Silicon Oxide Cluster Cation
Pollow, Kai
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https://hdl.handle.net/2142/116649
Description
Title
Interesting Behavior Of The Si3o2+ Silicon Oxide Cluster Cation
Author(s)
Pollow, Kai
Contributor(s)
Dopfer, Otto
Förstel, Marko
Mickein, Emil
Studemund, Taarna
Issue Date
2022-06-22
Keyword(s)
Ions
Abstract
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\includegraphics[scale=0.2]{Si3O2.eps}
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Silicon oxide cluster cations $Si_{n}O_{m}^{+}$ are especially interesting in the context of interstellar dust particles and might be carriers of the diffuse interstellar bands (DIBs). To date, $SiO$ and different $Si_{n}C_{m}$ clusters were found in circumstellar envelopes.
In this talk we present our results on the fairly small but nevertheless complicated $Si_{3}O_{2}^{+}$ system. We discuss the optical spectrum obtained by photodissociation in the gas phase and compare that to quantum chemical calculations.
Spoiler, the observed spectrum of $Si_{3}O_{2}^{+}$ does not match any known DIB.
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