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靛红双氮二苯腙分子开关的光致异构化机理

庞晓娟 赵凯玥 何航宇 张宁波 蒋臣威

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靛红双氮二苯腙分子开关的光致异构化机理

庞晓娟, 赵凯玥, 何航宇, 张宁波, 蒋臣威

Photoinduced isomerization mechanism of isatin N2-diphenylhydrazones molecular switch

Pang Xiao-Juan, Zhao Kai-Yue, He Hang-Yu, Zhang Ning-Bo, Jiang Chen-Wei
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  • 腙类分子开关在超分子化学领域有非常重要的应用价值, 基于靛红发色团发展出的新型腙类分子开关已被合成. 因其具有可见光激发下的顺反异构化特征、衍生物的易合成性及对外界刺激的敏感性, 其在生物化学领域具有重要的应用价值. 然而, 该新型分子开关的光致异构化机制尚不明确, 异构过程是否存在新奇的现象也不得而知. 本文采用基于半经验OM2/MRCI的轨迹面跳跃动力学方法, 系统地研究了一种名为靛红双氮二苯腙分子开关E-Z异构化过程的光致异构化机理. 研究发现该E构型分子开关的S1激发态平均寿命约为 107 fs, 该分子开关的E-Z异构化量子产率为16.01%. 通过对该分子开关光致异构化过程的计算, 明确了两种不同分子开关异构化机制; 除围绕C=N键旋转的传统分子开关异构机制之外, 阐明了新的异构机制——分子开关转子部分面对面的扭转; 通过时间分辨的荧光辐射谱的计算, 预测了异构化过程中存在极快的荧光猝灭现象, 并且伴随着荧光红移的发生; 通过对计算得到的荧光光谱与激发态平均寿命的分析, 提出了“暗态”的存在, 并对“暗态”存在的原因给出了可能的解释. 研究结果可为新型分子开关的设计及应用提供理论指导作用.
    Hydrazone molecular switches have significant application value in supramolecular chemistry. A new type of hydrazone molecular switch, named isatin N2-diphenylhydrazone, has been synthesized. Owing to its cis-trans isomerization characteristics under visible light excitation, ease of synthesizing of derivatives, and sensitivity to external stimuli, it has important application value in the field of biochemistry. Because of its forward and backward visible light excitation characteristics, it is considered a class of compound that is very suitable for molecular switches, and it has a wide application value in fields such as biotechnology. In addition, the derivatives compound exhibits strong interactions with negative ions, which enhances its function as a molecular switch, making it a four-state molecular switch that can be achieved by a single molecule. However, the photo-induced isomerization mechanism of these new molecular switches is not yet clear, and whether there are novel phenomena in the isomerization process is also unknown. In this work, a semi empirical OM2/MRCI based trajectory surface hopping dynamics method is adopted to systematically study a photo induced isomerization mechanism based on the E-Z isomerization process of the isatin N2-diphenylhydrazones molecular switch. Optimization configuration and the average lifetime of the first excited S1 state are obtained by using the semi-empirical OM2/MRCI method of molecular switch. It is found that the average lifetime of the S1 excited state of the E-configuration molecular switch is about 107 fs, and the quantum yield of E-Z isomerization of the molecular switch is 16.01%. By calculating the photo induced isomerization process of the molecular switch, two different isomerization mechanisms of the molecular switch are identified. In addition to the traditional molecular switch isomerization mechanism revolving around the C=N bond, a new isomerization mechanism, i.e. the face-to-face twisting of the molecular switch rotor part is elucidated. By calculating the time-resolved fluorescence radiation spectrum, it is predicted that there may be a very fast fluorescence quenching phenomenon occurring in about 75 fs in the isomerization process, slightly faster than the S1 average decay events (107 fs). The information about wavelength-resolved attenuation at different times is also calculated, which reflects the ultrafast fluorescence quenching process accompanied by fluorescence red shift, ranging from 2.1 × 104 cm–1 to 3.4 × 104 cm–1. By comparing the calculated fluorescence spectra with the average lifetime of excited states, the existence of “dark states” is proposed, and possible explanations for the existence of “dark states” are provided, and those “dark states” may be related to lower quantum yields. The research results can provide theoretical guidance for the design and application of new molecular switches. The ease of synthesis and sensitivity to external stimuli of its derivatives make those compounds extremely valuable in molecular switching and light measurement applications.
      通信作者: 赵凯玥, ts22180023a31@cumt.edu.cn
    • 基金项目: 国家自然科学基金(批准号: 12204532, 52174137)、江苏省自然科学基金(批准号: BK20200648)、中国矿业大学重点学科基金(批准号: 2022WLXK16)、中国矿业大学科研启动基金(批准号: 102519047)和中国矿业大学研究生创新计划(批准号: 2024WLJCRCZL284)资助的课题.
      Corresponding author: Zhao Kai-Yue, ts22180023a31@cumt.edu.cn
    • Funds: Project supported by the National Natural Science Foundation of China (Grant Nos. 12204532, 52174137), the Natural Science Foundation of Jiangsu Province, China (Grant No. BK20200648), the Key Academic Project of China University of Mining and Technology (Grant No. 2022WLXK16), the Research Start-up Funding of China University of Mining and Technology (Grant No. 102519047), and the Graduate Innovation Project of China University of Mining and Technology (Grant No. 2024WLJCRCZL284).
    [1]

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    刘同力, 黄从树, 王晶晶, 梁宇, 谢志鹏, 庄海燕, 李九龙, 朱绪飞 2024 精细化工 https://doi.org/10.13550/j.jxhg.20230989

    Liu T L, Huang C S, Wang J J, Liang Y, Xie Z P, Zhuang H Y, Li J L, Zhu X F 2024 Fine. Chem https://doi.org/ 10.13550/ j.jxhg.20230989

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    Ye H 2020 M. S. Thesie (Wuhan: Huazhong University of Science and Technology)

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    Nakagawa T, Ubukata T, Yokoyama Y 2018 J. Photochem. Photobiol. C-Photochem. Rev. 34 152Google Scholar

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  • 图 1  新型分子开关E-Z异构机制图, 最优基态反应物 (a) E及产物(b) Z的S0最优构型图, 所有相关原子序号均已标注

    Fig. 1.  E-Z isomerization mechanism diagram of a novel molecular switch, the optimal configuration diagram of S0 for the optimal ground state reactant (a) E and product (b) Z, with all relevant atomic numbers marked.

    图 2  新型分子开关半经验 OM2/MRCI方法下优化的第一激发态S1最优构型

    Fig. 2.  Optimization of the optimal configuration of the first excited state S1 under the semi-empirical OM2/MRCI method of the novel molecular switch.

    图 3  电子在基态S0和第一激发态S1的态平均占据数随时间变化情况

    Fig. 3.  The average occupancy of electrons in the ground state S0 and the first excited state S1 over time.

    图 4  新型分子开关异构化过程中的键长的变化趋势图 (a), (b)扭转过程中C8—N17 与C2—C8, N17—N16的变化趋势; (c), (d)旋转过程中C8—N17 与C2—C8, N17—N16变化趋势

    Fig. 4.  Trend chart of bond length changes during the isomerization process of the novel molecular switch: (a), (b) The changing trends of C8—N17 and C2—C8, N17—N16 during the twisting process; (c), (d) changes in C8—N17 and C2—C8, N17—N16 during rotation.

    图 5  新型分子开关异构化过程中的二面角的变化趋势 (a), (b)扭转过程中C2—C8—N17—N16, C7—C8—N17—N16与C8—N17—N16—C33, C8—N17—N16—C18的变化趋势; (c), (d)旋转过程中C2—C8—N17—N16, C7—C8—N17—N16与C8—N17—N16—C33, C8—N17—N16—C18的变化趋势

    Fig. 5.  The changing trend of dihedral angle during the isomerization process of the novel molecular switch: (a), (b) The changing trends of C2—C8—N17—N16, C7—C8—N17—N16, C8—N17—N16—C33, and C8—N17—N16—C18 during the twisting process; (c), (d) the changing trends of C2—C8—N17—N16, C7—C8—N17—N16, C8—N17—N16—C33, and C8—N17—N16—C18 during the rotation process.

    图 6  激发态动力学的含时荧光辐射光谱 (a)随时间变化荧光辐射光谱; (b)不同时间下随波长变化的衰减信息

    Fig. 6.  Time-dependent fluorescence emission spectra of excited state dynamics: (a) The time-resolved deconvoluted emission spectrum; (b) the wavelength-resolved decay information in different time.

  • [1]

    Li R J, Mou B Z, Yamada M, Li W, Nakashima T, Kawai T 2024 Molecules 29 25Google Scholar

    [2]

    Jago D, Gaschk E E, Koutsantonis G A 2023 Aust. J. Chem. 76 635Google Scholar

    [3]

    Yu Z, Hecht S 2016 Chem. Commun. 52 6639Google Scholar

    [4]

    Feringa B L, Van Delden R A, Koumura N, Geertsema E M 2000 Chem. Rev. 100 1789Google Scholar

    [5]

    Rice A M, Martin C R, Galitskiy V A, Berseneva A A, Leith G A, Shustova N B 2020 Chem. Rev. 120 8790Google Scholar

    [6]

    Zhang X Y, Hou L L, Samorì P 2016 Nat. Commun. 7 11118Google Scholar

    [7]

    Alenazi M H, Mubarak A T, Abboud M 2024 Nanotechnol. Rev. 13 20240032Google Scholar

    [8]

    Goulet-Hanssens A, Eisenreich F, Hecht S 2020 Adv. Mater. 32 1905966Google Scholar

    [9]

    Pios S V, Gelin M F, Ullah A, Dral P O, Chen L 2024 J. Phys. Chem. Lett. 15 2325Google Scholar

    [10]

    Conti I, Cerullo G, Nenov A, Garavelli M 2020 J. Am. Chem. Soc. 142 16117Google Scholar

    [11]

    Towns A 2021 Phys. Sci. Rev. 6 477Google Scholar

    [12]

    Cheng H B, Zhang S, Bai E, Cao X, Wang J, Qi J, Liu J, Zhao J, Zhang L, Yoon J 2022 Adv. Mater. 34 2108289Google Scholar

    [13]

    Bertarelli C, Bianco A, Castagna R, Pariani G 2011 J. Photoch. Photobio. C 12 106Google Scholar

    [14]

    Bléger D, Hecht S 2015 Angew. Chem. Int. Ed. 54 11338Google Scholar

    [15]

    Shao B, Aprahamian I 2020 Chem 6 2162Google Scholar

    [16]

    Van Dijken D J, KovaříčEk P, Ihrig S P, Hecht S 2015 J. Am. Chem. Soc. 137 14982Google Scholar

    [17]

    Schnetz M, Meier J K, Rehwald C, Mertens C, Urbschat A, Tomat E, Akam E A, Baer P, Roos F C, Brüne B 2020 Cancers 12 530Google Scholar

    [18]

    Ferreira I P, Piló E D, Recio-Despaigne A A, Da Silva J G, Ramos J P, Marques L B, Prazeres P H, Takahashi J A, Souza-Fagundes E M, Rocha W 2016 Bioorg. Med. Chem. 24 2988Google Scholar

    [19]

    Vantomme G, Lehn J M 2014 Chem. Eur. J. 20 16188Google Scholar

    [20]

    Vantomme G, Lehn J M 2013 Angew. Chem. Int. Edit. 52 3940Google Scholar

    [21]

    Vantomme G, Jiang S M, Lehn J M 2015 J. Am. Chem. Soc. 137 3138Google Scholar

    [22]

    Su X, Aprahamian I 2014 Chem. Soc. Rev. 43 1963Google Scholar

    [23]

    Chaur M N, Collado D, Lehn J M 2011 Chem. Eur. J. 17 248Google Scholar

    [24]

    Vantomme G, Jiang S, Lehn J M 2014 J. Am. Chem. Soc. 136 9509Google Scholar

    [25]

    刘同力, 黄从树, 王晶晶, 梁宇, 谢志鹏, 庄海燕, 李九龙, 朱绪飞 2024 精细化工 https://doi.org/10.13550/j.jxhg.20230989

    Liu T L, Huang C S, Wang J J, Liang Y, Xie Z P, Zhuang H Y, Li J L, Zhu X F 2024 Fine. Chem https://doi.org/ 10.13550/ j.jxhg.20230989

    [26]

    Siewertsen R, Neumann H, Buchheim-Stehn B, Herges R, Näther C, Renth F, Temps F 2009 J. Am. Chem. Soc. 131 15594Google Scholar

    [27]

    Beharry A A, Sadovski O, Woolley G A 2011 J. Am. Chem. Soc. 133 19684Google Scholar

    [28]

    Poloni C, Szymanski W, Hou L L, Browne W R, Feringa B L 2014 Chem. Eur. J. 20 946Google Scholar

    [29]

    Zhang Z W, Yang W X, Zhang J J 2023 Chem. Ind. Eng. Prog 42 4058 [张志伟, 杨伟鑫, 张隽佶 2023 化工进展 42 4058]Google Scholar

    Zhang Z W, Yang W X, Zhang J J 2023 Chem. Ind. Eng. Prog 42 4058Google Scholar

    [30]

    Ye H 2020 M. S. Thesie (Wuhan: Huazhong University of Science and Technology) [叶欢 2020 硕士学位论文(武汉: 华中科技大学)]

    Ye H 2020 M. S. Thesie (Wuhan: Huazhong University of Science and Technology)

    [31]

    Szymanski W, Beierle J M, Kistemaker H A, Velema W A, Feringa B L 2013 Chem. Rev. 113 6114Google Scholar

    [32]

    Cigán M, Gáplovsky M, Jakusová K, Donovalová J, Horváth M, Filo J, Gáplovsky A 2015 RSC Adv. 5 62449Google Scholar

    [33]

    Cigáň M, Jakusová K, Gáplovský M, Filo J, Donovalová J, Gáplovský A 2015 Photochem. Photobiol. Sci. 14 2064Google Scholar

    [34]

    Tisovský P, Donovalová J, Kožíšek J, Horváth M, Gáplovský A 2022 J. Photochem. Photobiol. A Chem. 427 113827Google Scholar

    [35]

    Seleem H S 2011 Chem. Cent. J. 5 8Google Scholar

    [36]

    Šandrik R, Tisovský P, Csicsai K, Donovalová J, Gáplovský M, Sokolík R, Filo J, Gáplovský A 2019 Molecules 24 2668Google Scholar

    [37]

    Liu H H, Chen Y 2009 J. Phys. Chem. A 113 5550Google Scholar

    [38]

    Tochitsky I, Polosukhina A, Degtyar V E, Gallerani N, Smith C M, Friedman A, Van Gelder R N, Trauner D, Kaufer D, Kramer R H 2014 Neuron 81 800Google Scholar

    [39]

    Van Herpt J T, Areephong J, Stuart M C, Browne W R, Feringa B L 2014 Chem. Eur. J. 20 1737Google Scholar

    [40]

    Nakagawa T, Ubukata T, Yokoyama Y 2018 J. Photochem. Photobiol. C-Photochem. Rev. 34 152Google Scholar

    [41]

    Kistemaker J C M, Stacko P, Roke D, Wolters A T, Heideman G H, Chang M C, Van Der Meulen P, Visser J, Otten E, Feringa B L 2017 J. Am. Chem. Soc. 139 9650Google Scholar

    [42]

    Kistemaker J C M, Stacko P, Visser J, Feringa B L 2015 Nature Chemistry 7 890Google Scholar

    [43]

    Thiel W 1981 J. Am. Chem. Soc. 103 1413Google Scholar

    [44]

    Wang J, Durbeej B 2018 ChemistryOpen 7 583Google Scholar

    [45]

    Ma J Z, Yang S J, Zhao D, Jiang C W, Lan Z G, Li F L 2022 Int. J. Mol. Sci. 23 3908Google Scholar

    [46]

    Pang X J, He H Y, Zhao K Y, Zhang N B, Zhong Q J 2023 Chem. Phys. Lett. 819 140439Google Scholar

    [47]

    Zhuang X H, Wang J, Lan Z G 2013 J. Phys. Chem. A 117 4785Google Scholar

    [48]

    Pang X J, Cui X Y, Hu D P, Jiang C W, Zhao D, Lan Z G, Li F L 2017 J. Phys. Chem. A 121 1240Google Scholar

    [49]

    Weber W, Thiel W 2000 Theor. Chem. Acc. 103 495Google Scholar

    [50]

    Otte N, Scholten M, Thiel W 2007 J. Phys. Chem. A 111 5751Google Scholar

    [51]

    Lan Z G, Lu Y, Weingart O, Thiel W 2012 J. Phys. Chem. A 116 1510Google Scholar

    [52]

    Jin H, Liang M, Arzhantsev S, Li X, Maroncelli M 2010 J. Phys. Chem. B 114 7565Google Scholar

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出版历程
  • 收稿日期:  2024-04-03
  • 修回日期:  2024-07-29
  • 上网日期:  2024-07-31
  • 刊出日期:  2024-09-05

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