| Budget Amount *help |
¥18,330,000 (Direct Cost: ¥14,100,000、Indirect Cost: ¥4,230,000)
Fiscal Year 2019: ¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2018: ¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2017: ¥8,450,000 (Direct Cost: ¥6,500,000、Indirect Cost: ¥1,950,000)
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| Outline of Final Research Achievements |
In this project, we synthesized unsaturated molecular silicon clusters that contain an unconventional double bond with an inverted (hemispheroidal) geometry and disclosed their electronic property and reactivity. Notably, 1,3-dihalobicyclo[1.1.0]tetrasilanes obtained from the reaction of the syntheized unsaturated molecular silicon clusters and a haloalkane exhibit an unsupported single pi-bond between the bridgehead silicon atoms in the crystalline state. The corresponding all carbon compounds have not yet been synthesized so far. The unconventional bondings observed in the compounds developed in this study are expected to be key structures of novel functional materials.
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