January 1, 2025Chemical ScienceOpen Access

Ultraviolet photodissociation of methanethiol (CH₃SH): Revealing an S(¹D) atom elimination channel

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The study reveals a novel elimination channel for S(1D) atoms during the photodissociation of methanethiol.
Time-sliced velocity map imaging was employed to analyze the methyl and sulfur fragments formed from methanethiol.
Ultraviolet absorption bands were analyzed to understand excited-state dynamics and fragmentation processes in the molecule.
This new information on sulfur atom dynamics may enable the development of better photochemical reaction models.

Implication

Time-sliced velocity map imaging reveals fragment dynamics in methanethiol, indicating new reaction pathways.

Abstract

We report time-sliced velocity map imaging studies of the methyl (CH 3 ) and electronically excited sulfur (S( 1 D)) fragments formed following photoexcitation of jet-cooled CH 3 SH molecules in the 2 1 A”−X 1 A’absorption band ( i.e . at...

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Wu et al. (2025) studied this question.

synapsesocial.com/papers/68af4328ad7bf08b1ead2222 https://doi.org/10.1039/d5sc04716a

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Implication

Time-sliced velocity map imaging reveals fragment dynamics in methanethiol, indicating new reaction pathways.

Ultraviolet photodissociation of methanethiol (CH₃SH): Revealing an S(¹D) atom elimination channel

Key Points

Implication

Abstract

Discussion

Cite This Study

Ultraviolet photodissociation of methanethiol (CH₃SH): Revealing an S(¹D) atom elimination channel

Key Points

Implication

Abstract

Discussion

Cite This Study

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