Skip to content

Striking Isotopologue-Dependent Photodissociation Dynamics of Water Molecules: The Signature of an Accidental Resonance

Research output: Contribution to journalArticle

Standard

Striking Isotopologue-Dependent Photodissociation Dynamics of Water Molecules : The Signature of an Accidental Resonance. / Chang, Yao; Chen, Zhichao; Zhou, Jiami; Luo, Zijie ; He, Zhigang; Wu, Guorong; Ashfold, Michael N.R.; Yuan, Kaijun; Yang, Xueming.

In: Journal of Physical Chemistry Letters, Vol. 10, 15, 01.08.2019, p. 4209-4214.

Research output: Contribution to journalArticle

Harvard

Chang, Y, Chen, Z, Zhou, J, Luo, Z, He, Z, Wu, G, Ashfold, MNR, Yuan, K & Yang, X 2019, 'Striking Isotopologue-Dependent Photodissociation Dynamics of Water Molecules: The Signature of an Accidental Resonance', Journal of Physical Chemistry Letters, vol. 10, 15, pp. 4209-4214. https://doi.org/10.1021/acs.jpclett.9b01710

APA

Chang, Y., Chen, Z., Zhou, J., Luo, Z., He, Z., Wu, G., ... Yang, X. (2019). Striking Isotopologue-Dependent Photodissociation Dynamics of Water Molecules: The Signature of an Accidental Resonance. Journal of Physical Chemistry Letters, 10, 4209-4214. [15]. https://doi.org/10.1021/acs.jpclett.9b01710

Vancouver

Chang Y, Chen Z, Zhou J, Luo Z, He Z, Wu G et al. Striking Isotopologue-Dependent Photodissociation Dynamics of Water Molecules: The Signature of an Accidental Resonance. Journal of Physical Chemistry Letters. 2019 Aug 1;10:4209-4214. 15. https://doi.org/10.1021/acs.jpclett.9b01710

Author

Chang, Yao ; Chen, Zhichao ; Zhou, Jiami ; Luo, Zijie ; He, Zhigang ; Wu, Guorong ; Ashfold, Michael N.R. ; Yuan, Kaijun ; Yang, Xueming. / Striking Isotopologue-Dependent Photodissociation Dynamics of Water Molecules : The Signature of an Accidental Resonance. In: Journal of Physical Chemistry Letters. 2019 ; Vol. 10. pp. 4209-4214.

Bibtex

@article{85b1948766c747b683286e9cf1e20744,
title = "Striking Isotopologue-Dependent Photodissociation Dynamics of Water Molecules: The Signature of an Accidental Resonance",
abstract = "Investigations of the photofragmentation patterns of both light and heavy water at the state-to-state level are a prerequisite for any thorough understanding of chemical processing and isotope heterogeneity in the interstellar medium. Here we reveal dynamical features of the dissociation of water molecules following excitation to the C̃(010) state using a tunable vacuum ultraviolet source in combination with the high-resolution H(D)-atom Rydberg tagging time-of-flight technique. The action spectra for forming H(D) atoms and the OH(OD) product state distributions resulting from excitation to the C̃(010) states of H2O and D2O both show striking differences, which are attributable to the effects of an isotopologue-specific accidental resonance. Such accidental-resonance-induced state mixing may contribute to the D/H isotope heterogeneity in the solar system. The present study provides an excellent example of competitive state-to-state nonadiabatic decay pathways involving at least five electronic states.",
author = "Yao Chang and Zhichao Chen and Jiami Zhou and Zijie Luo and Zhigang He and Guorong Wu and Ashfold, {Michael N.R.} and Kaijun Yuan and Xueming Yang",
year = "2019",
month = "8",
day = "1",
doi = "10.1021/acs.jpclett.9b01710",
language = "English",
volume = "10",
pages = "4209--4214",
journal = "Journal of Physical Chemistry Letters",
issn = "1948-7185",
publisher = "American Chemical Society",

}

RIS - suitable for import to EndNote

TY - JOUR

T1 - Striking Isotopologue-Dependent Photodissociation Dynamics of Water Molecules

T2 - The Signature of an Accidental Resonance

AU - Chang, Yao

AU - Chen, Zhichao

AU - Zhou, Jiami

AU - Luo, Zijie

AU - He, Zhigang

AU - Wu, Guorong

AU - Ashfold, Michael N.R.

AU - Yuan, Kaijun

AU - Yang, Xueming

PY - 2019/8/1

Y1 - 2019/8/1

N2 - Investigations of the photofragmentation patterns of both light and heavy water at the state-to-state level are a prerequisite for any thorough understanding of chemical processing and isotope heterogeneity in the interstellar medium. Here we reveal dynamical features of the dissociation of water molecules following excitation to the C̃(010) state using a tunable vacuum ultraviolet source in combination with the high-resolution H(D)-atom Rydberg tagging time-of-flight technique. The action spectra for forming H(D) atoms and the OH(OD) product state distributions resulting from excitation to the C̃(010) states of H2O and D2O both show striking differences, which are attributable to the effects of an isotopologue-specific accidental resonance. Such accidental-resonance-induced state mixing may contribute to the D/H isotope heterogeneity in the solar system. The present study provides an excellent example of competitive state-to-state nonadiabatic decay pathways involving at least five electronic states.

AB - Investigations of the photofragmentation patterns of both light and heavy water at the state-to-state level are a prerequisite for any thorough understanding of chemical processing and isotope heterogeneity in the interstellar medium. Here we reveal dynamical features of the dissociation of water molecules following excitation to the C̃(010) state using a tunable vacuum ultraviolet source in combination with the high-resolution H(D)-atom Rydberg tagging time-of-flight technique. The action spectra for forming H(D) atoms and the OH(OD) product state distributions resulting from excitation to the C̃(010) states of H2O and D2O both show striking differences, which are attributable to the effects of an isotopologue-specific accidental resonance. Such accidental-resonance-induced state mixing may contribute to the D/H isotope heterogeneity in the solar system. The present study provides an excellent example of competitive state-to-state nonadiabatic decay pathways involving at least five electronic states.

U2 - 10.1021/acs.jpclett.9b01710

DO - 10.1021/acs.jpclett.9b01710

M3 - Article

VL - 10

SP - 4209

EP - 4214

JO - Journal of Physical Chemistry Letters

JF - Journal of Physical Chemistry Letters

SN - 1948-7185

M1 - 15

ER -