| Budget Amount *help |
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2017: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2016: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2015: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
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| Outline of Final Research Achievements |
Rhodium binuclear complexes with azulene moieties as equatorial ligands were obtained by reacting Rh2(OAc)4 with guaiazulene-2-carboxylic acid, azulene-2-carboxylic acid) or azulene-1-carboxylic acid. The molecular structures in their crystalline states were determined by X-ray diffraction methods. The crystal packing revealed the formation of 1-D stacked chains nearly along the axial direction and 2-D stacked sheets along the equatorial direction. In addition, it was found that the complex included 1-D channel-like pores that could adsorb gas with structural changes. Square wave voltammetric measurements of the complexes showed stepwise one-electron redox behaviours, indicating the intramolecular interaction between the azulene units. Transient absorption measurements suggested the presence of an ultrafast intersystem crossing due to the heavy atom effect of rhodium, and extended lifetime of the triplet state due to the energy migration among the coordinated azulene ligands.
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