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In contrast to azobenzene (AB), it is found the rate of thermal isomerization of AAB is highly dependent on solvent polarity. Accelerated rates are observed in polar solvents as compared to nonpolar solvents. Moreover, a decrease in the barrier height with an increase in medium polarity is observed. Our observations suggest that inversion is the preferred pathway in cis-to-trans thermal isomerization in a nonpolar medium; however, in a polar medium, the isomerization path deviates from the inversion route and rotational behavior is incorporated. Differences in the kinetics and in mechanisms of isomerization in different media are rationalized in terms of modulation in barrier height by polarity of the medium and solute-solvent interaction. It is found that kinetics as well as the mechanism of thermal isomerization in AAB is controlled by the polarity of the medium."}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1380004233235896704","@type":"Researcher","foaf:name":[{"@value":"Neeraj Kumar Joshi"}],"jpcoar:affiliationName":[{"@value":"Molecular Photoscience\rResearch Center, Kobe University, 1-1 Rokkodai, Nada, Kobe 657-8501, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1420845751150867072","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"40564787"},{"@type":"NRID","@value":"1000040564787"},{"@type":"NRID","@value":"9000017049317"}],"foaf:name":[{"@value":"Masanori Fuyuki"}],"jpcoar:affiliationName":[{"@value":"Organization of Advanced Science and Technology, Kobe University, 1-1\rRokkodai, Nada, Kobe 657-8501, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1420282801194638848","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"20202418"},{"@type":"NRID","@value":"1000020202418"},{"@type":"NRID","@value":"9000001810133"},{"@type":"NRID","@value":"9000014257040"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/HeNe_6328"}],"foaf:name":[{"@value":"Akihide Wada"}],"jpcoar:affiliationName":[{"@value":"Molecular Photoscience\rResearch Center, Kobe University, 1-1 Rokkodai, Nada, Kobe 657-8501, Japan"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"15206106"},{"@type":"EISSN","@value":"15205207"}],"prism:publicationName":[{"@value":"The Journal of Physical Chemistry B"}],"dc:publisher":[{"@value":"American Chemical Society (ACS)"}],"prism:publicationDate":"2014-02-05","prism:volume":"118","prism:number":"7","prism:startingPage":"1891","prism:endingPage":"1899"},"reviewed":"false","url":[{"@id":"https://pubs.acs.org/doi/pdf/10.1021/jp4125205"}],"createdAt":"2014-01-26","modifiedAt":"2023-04-17","project":[{"@id":"https://cir.nii.ac.jp/crid/1040000782220413952","@type":"Project","projectIdentifier":[{"@type":"KAKEN","@value":"24655015"},{"@type":"JGN","@value":"JP24655015"},{"@type":"URI","@value":"https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-24655015/"}],"notation":[{"@language":"ja","@value":"多光子光化学反応の観測・解析のための新規２パルス相関法の開発"},{"@language":"en","@value":"Development of new two-pulse correlation technique for observation and analysis of multiphoton reaction"}]}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1360004232314674688","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Two-dimensional observation of multicolor multistep photoreaction process by using white light excitation covering entire visible region"}]},{"@id":"https://cir.nii.ac.jp/crid/1360011143905344000","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Proof for the Concerted Inversion Mechanism in the <i>trans</i>→<i>cis</i> Isomerization of Azobenzene Using Hydrogen Bonding To Induce Isomer Locking"}]},{"@id":"https://cir.nii.ac.jp/crid/1360011145271500160","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Can sunlight drive the photoinduced bending of polymer films?"}]},{"@id":"https://cir.nii.ac.jp/crid/1360011145364884224","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Cis–trans isomerization mechanism of 4-aminoazobenzene in the S0 and S1 states: A CASSCF and DFT study"}]},{"@id":"https://cir.nii.ac.jp/crid/1360011146072509184","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Novel photo-switching using azobenzene functional materials"}]},{"@id":"https://cir.nii.ac.jp/crid/1360011146166199552","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Femtosecond time-resolved UV-visible absorption spectroscopy of trans-azobenzene: dependence on excitation wavelength"}]},{"@id":"https://cir.nii.ac.jp/crid/1360292619197125248","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Electrostatic interaction of a solute with a continuum. 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