The direct observation of the doorway 1nπ* state of methylcinnamate and hydrogen-bonding effects on the photochemistry of cinnamate-based sunscreens

Author:

Kinoshita Shin-nosuke12345,Inokuchi Yoshiya12345ORCID,Onitsuka Yuuki12345,Kohguchi Hiroshi12345,Akai Nobuyuki6785,Shiraogawa Takafumi910115ORCID,Ehara Masahiro91011512ORCID,Yamazaki Kaoru1314155,Harabuchi Yu11617185,Maeda Satoshi11617185ORCID,Ebata Takayuki12345ORCID

Affiliation:

1. Department of Chemistry

2. Graduate School of Science

3. Hiroshima University

4. Higashi-Hiroshima 739-8526

5. Japan

6. Graduate School of Bio-Applications and Systems Engineering (BASE)

7. Tokyo University of Agriculture and Technology

8. Tokyo 184-8588

9. SOKENDAI, the Graduate University for Advanced Studies

10. Myodaiji

11. Okazaki 444-8585

12. Institute for Molecular Science and Research Center for Computational Science

13. Institute for Materials Research

14. Tohoku University

15. Sendai

16. Faculty of Science

17. Hokkaido University

18. Sapporo 060-0810

Abstract

The electronic states and photochemistry including nonradiative decay (NRD) and trans(E) → cis(Z) isomerization of methylcinnamate (MC) and its hydrogen-bonded complex with methanol have been investigated under jet-cooled conditions.

Funder

Japan Society for the Promotion of Science

Japan Science and Technology Agency

Ministry of Education, Culture, Sports, Science and Technology

Publisher

Royal Society of Chemistry (RSC)

Subject

Physical and Theoretical Chemistry,General Physics and Astronomy

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