CT excitation of [Ir(azulene)(1,5-cyclooctadiene)]~+.Spectroscopy and photochemistry

Horst Kunkely; Arnd Vogler

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CT excitation of [Ir(azulene)(1,5-cyclooctadiene)]~+.Spectroscopy and photochemistry

机译：[Ir（氮杂）（1,5-环辛二烯）]〜+的CT激发。光谱学和光化学

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The complex [Ir(azulene)(1,5-cyclocta-diene)]~+ shows long-wavelength absorptions which are assigned to spin-allowed (lmbda_(max)=536 nm) and spin-forbidden (675 nm) transitions.They are of mixed MLCT (Ir -> azulene) and ILCT (azulene) character.At 77 K the solid complex displays an emission (lambda_(max)=816 nm) which originates from the MLCT/ILCT triplet.At r.t.in solution the complex undergoes a photosubstitution of the azulene ligand.It is suggested that in the CT state the azulene ligand looses its coordinating ability.

机译：络合物[Ir（azulene）（1,5-cyclocta-diene）] +显示出长波长吸收，这些吸收被分配给自旋允许的（lmbda_（max）= 536 nm）和自旋禁止的（675 nm）跃迁。它们具有MLCT（Ir-> azulene）和ILCT（azulene）混合特征。在77 K时，固体络合物显示出发射（lambda_（max）= 816 nm），该发射来自MLCT / ILCT三重态。该复合物经历了氮杂配体的光解。建议在CT状态下，氮杂配体失去其配位能力。

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来源
《Inorganic Chemistry Communications》 |2006年第8期|共3页
作者
Horst Kunkely; Arnd Vogler;
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正文语种 eng
中图分类无机化学;
关键词
Electronic spectra; MLCT; ILCT; Luminescence; Photochemistry; Iridium; Azulene;

机译：电子光谱;MLCT;ILCT;发光;光化学;铱;A;

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1. CT excitation of [Ir(azulene)(1,5-cyclooctadiene)]~+.Spectroscopy and photochemistry [J] . Horst Kunkely, Arnd Vogler Inorganic Chemistry Communications . 2006,第8期

机译：[Ir（氮杂）（1,5-环辛二烯）]〜+的CT激发。光谱学和光化学
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CT excitation of [Ir(azulene)(1,5-cyclooctadiene)]~+.Spectroscopy and photochemistry

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