Observation and Control of Photo and Thermal Induced Dynamic Processes of Organic Molecules by Focusing on Intermolecular Contacts and Vacancies in Crystals

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  • 橋爪 大輔
    独立行政法人理化学研究所・先端技術開発支援センター

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Other Title
  • 反応空間を制御した結晶中での光や熱による有機分子のダイナミクスの解明
  • ソウゴウ ホウコク ニホン ケッショウ ガッカイショウ ジュショウ ロンブン ハンノウ クウカン オ セイギョ シタ ケッショウ チュウ デ ノ ヒカリ ヤ ネツ ニ ヨル ユウキ ブンシ ノ ダイナミクス ノ カイメイ

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Abstract

Photo and thermal induced dynamic processes of organic molecules have been studied by focusing on intermolecular contacts and void spaces in crystals. On the photoisomerization of cobaloxime complex, the reaction rates were controlled by forming host-guest complexes. Volume of the void space around the reactive group, reaction cavity, was systematically changed by replacing the host molecules with retaining the isomorphic structure. On the first order phase transition of acylurea derivative crystal, the mechanism of the phase transition was clarified by a detailed temperature resolved single crystal diffraction method. The phase transition proceeds via two elementary processes, namely supramolecular and molecular processes.

Journal

  • Nihon Kessho Gakkaishi

    Nihon Kessho Gakkaishi 45 (Supplement), 5-6, 2003

    The Crystallographic Society of Japan

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