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Detailed Molecular Dynamics of the Photochromic Reaction of Spiropyran: A Semiclassical Dynamics Study
Joint Authors
Lei, Yibo
Wu, Shaomei
Dou, Yusheng
Zhai, Gaohong
Shao, Shuai
Source
International Journal of Photoenergy
Issue
Vol. 2014, Issue 2014 (31 Dec. 2014), pp.1-9, 9 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2014-06-17
Country of Publication
Egypt
No. of Pages
9
Main Subjects
Abstract EN
A realistic semiclassical dynamics simulation study is reported for the photoinduced ring-opening reaction of spiropyran.
The main simulation results show that one pathway involves hydrogen out-of-plane (HOOP) torsion of phenyl ring nearby N atom in 254 fs on the excited state and the isomerization from cis- to trans-SP that is complete in about 10 ps on the ground state after the electron transition π σ * ; the other dominate pathway corresponds to the ring-opening reaction of trans-SP to form the most stable merocyanine (MC) product.
Unlike the previous theoretical finding, one C−C bond cleavage on the real molecule rather than the C−N dissociation of the model one is more probable than the ring-opening reaction after the photoexcitation of SP.
The simulation findings provide more important complementarity for interpreting experimental observations, confirming the previously theoretical studies of photochromic ring-opening process and even supplying other possible reaction mechanisms.
American Psychological Association (APA)
Zhai, Gaohong& Shao, Shuai& Wu, Shaomei& Lei, Yibo& Dou, Yusheng. 2014. Detailed Molecular Dynamics of the Photochromic Reaction of Spiropyran: A Semiclassical Dynamics Study. International Journal of Photoenergy،Vol. 2014, no. 2014, pp.1-9.
https://search.emarefa.net/detail/BIM-1037160
Modern Language Association (MLA)
Zhai, Gaohong…[et al.]. Detailed Molecular Dynamics of the Photochromic Reaction of Spiropyran: A Semiclassical Dynamics Study. International Journal of Photoenergy No. 2014 (2014), pp.1-9.
https://search.emarefa.net/detail/BIM-1037160
American Medical Association (AMA)
Zhai, Gaohong& Shao, Shuai& Wu, Shaomei& Lei, Yibo& Dou, Yusheng. Detailed Molecular Dynamics of the Photochromic Reaction of Spiropyran: A Semiclassical Dynamics Study. International Journal of Photoenergy. 2014. Vol. 2014, no. 2014, pp.1-9.
https://search.emarefa.net/detail/BIM-1037160
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1037160