Excited High-Spin Quartet (S=3/2) State of a Novel pi-Conjugated Organic Spin System,Pyrene-Verdazyl Radical

Yoshio Teki; Mituhiro Kimura; Shinsuke Narimatsu; Keishi Ohara; Kazuo Mukai

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Excited High-Spin Quartet (S=3/2) State of a Novel pi-Conjugated Organic Spin System,Pyrene-Verdazyl Radical

机译：新型π共轭有机自旋体系，-Verdazyl自由基的高自旋四重激发态（S = 3/2）

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The excited high-spin quartet (S=3/2) state of the intramolecular triplet-radical pair between the excited triplet state of pyrene and a dangling verdazyl radical was reported.A novel verdazyl radical with the pyrene moiety was designed and synthesized.The time-resolved ESR spectrum and a DFT calculation show the photo-induced ferromagnetic spin alignment between the excited triplet state of the pyrene moiety and the dangling verdazyl radical.This is the first observation of the high-spin (5>1) excited state of the pi-conjugated pyrene-radical pair.

机译：报道了the的激发三重态与悬挂的Verdazyl自由基之间分子内三重态-自由基对的高自旋四重态（S = 3/2）状态。设计并合成了具有synthesized部分的新型Verdazyl自由基。时间分辨的ESR光谱和DFT计算表明the部分的激发三重态与悬挂的Verdazyl自由基之间存在光诱导的铁磁自旋对准，这是对高自旋（5> 1）激发态的首次观察。 π共轭pyr自由基。

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《Bulletin of the Chemical Society of Japan》 |2004年第1期|共5页
作者
Yoshio Teki; Mituhiro Kimura; Shinsuke Narimatsu; Keishi Ohara; Kazuo Mukai;
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1. Excited High-Spin Quartet (S=3/2) State of a Novel pi-Conjugated Organic Spin System,Pyrene-Verdazyl Radical [J] . Yoshio Teki, Mituhiro Kimura, Shinsuke Narimatsu, Bulletin of the Chemical Society of Japan . 2004,第1期

机译：新型π共轭有机自旋体系，-Verdazyl自由基的高自旋四重激发态（S = 3/2）
2. Design, synthesis and physical property of a pi-conjugated photo-excited organic high-spin systems toward the functional material [J] . Toichi T, Teki Y Polyhedron: The International Journal for Inorganic and Organometallic Chemistry . 2005,第16a17期

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4. Theory and Spectroscopy of Organic High-spin Molecules [C] . Paul M. Lahti Advances in Computational Methods in Sciences and Engineering 2005 vol.4B; Lecture Series on Computer and Computational Sciences; vol.4B . 2005

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Excited High-Spin Quartet (S=3/2) State of a Novel pi-Conjugated Organic Spin System,Pyrene-Verdazyl Radical

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