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Ab initio molecular dynamics analysi...

Tsutsumi, Takuro.

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Ab initio molecular dynamics analysis based on reduced-dimensionality reaction route map

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Ab initio molecular dynamics analysis based on reduced-dimensionality reaction route map/ by Takuro Tsutsumi.
作者:	Tsutsumi, Takuro.
出版者:	Singapore :Springer Nature Singapore : : 2023.,
面頁冊數:	xv, 115 p. :ill. (some col.), digital ;24 cm.
附註:	"Doctoral thesis accepted by Hokkaido University, Sapporo, Japan."
內容註:	General Introduction -- Analysis of On-the-fly Trajectory based on Reaction Route Network -- 3. Visualization of Unique Reaction Route Map by Dimensionality Reduction Method -- 4. Projection of Dynamical Reaction Route onto Reduced-dimensionality Reaction Space -- 5. Theoretical Study of Excited-state Branching Reaction Mechanisms of α-methyl-cis-stilbene -- 6. Visualization of Multi-state Potential Energy Landscape: A Case Study on Excited-state Branching Reaction of Stilbene -- 7. General Conclusion.
Contained By:	Springer Nature eBook
標題:	Molecular dynamics. -
電子資源:	https://doi.org/10.1007/978-981-99-7321-7
ISBN:	9789819973217

Ab initio molecular dynamics analysis based on reduced-dimensionality reaction route map
Tsutsumi, Takuro.

Ab initio molecular dynamics analysis based on reduced-dimensionality reaction route map[electronic resource] /by Takuro Tsutsumi. - Singapore :Springer Nature Singapore :2023. - xv, 115 p. :ill. (some col.), digital ;24 cm. - Springer theses,2190-5061. - Springer theses..

"Doctoral thesis accepted by Hokkaido University, Sapporo, Japan."

General Introduction -- Analysis of On-the-fly Trajectory based on Reaction Route Network -- 3. Visualization of Unique Reaction Route Map by Dimensionality Reduction Method -- 4. Projection of Dynamical Reaction Route onto Reduced-dimensionality Reaction Space -- 5. Theoretical Study of Excited-state Branching Reaction Mechanisms of α-methyl-cis-stilbene -- 6. Visualization of Multi-state Potential Energy Landscape: A Case Study on Excited-state Branching Reaction of Stilbene -- 7. General Conclusion.

This thesis proposes useful tools, on-the-fly trajectory mapping method and Reaction Space Projector (ReSPer), to analyze chemical reaction mechanisms by combining the reaction route map and the ab initio molecular dynamics. The key concept for the proposed tools is the Cartesian distance between pairwise molecular structures, and a practical procedure to get the optimal distance is introduced. The on-the-fly trajectory mapping method tracks the distance function between reference structures and molecular structures along the trajectory. Although this method provides fruitful insight into dynamic reaction behaviors, the visualization of reaction routes into a low-dimensional space is still challenging because of the multi-dimensionality. ReSPer successfully constructs a low-dimensional reaction space defined by mathematically-selected principal coordinates representing mutual distance relationships in the full-dimensional space. ReSPer also enables us to project trajectories into the reaction space in the reduced dimension. In this thesis, these methods are applied to several reactions, including bifurcating and photochemical reactions, revealing dynamically-allowed reaction mechanisms. This thesis provides robust and versatile tools to elucidate dynamical reaction routes on the basis of the reduced-dimensionality reaction route map and will help control chemical reaction dynamics and select descriptors for machine learning.

ISBN: 9789819973217

Standard No.: 10.1007/978-981-99-7321-7doiSubjects--Topical Terms:

547134
Molecular dynamics.

LC Class. No.: QD461 / .T788 2023

Dewey Class. No.: 541.394

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