Design and understanding of solid-state and crystalline materials
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Paper
CrystEngComm, 2009, 11, 1235 - 1239, DOI: 10.1039/b821900a
Single crystal cis–trans photoisomerizations of 2-(9-anthrylmethylene)-1-indanones
Jun Harada, Mayuko Harakawa, Shingo Sugiyama and Keiichiro Ogawa
cis–trans Photoisomerizations of 2-(9-anthrylmethylene)-1-indanones were carried out in the solid state. The photoisomerizations proceeded without destruction of the crystal lattices. The crystal structural changes accompanying the photoisomerizations were observed by X-ray diffraction analysis. From the structural correlation between the reactants and products, the single-crystal isomerizations were proved to proceed through one bond flip (OBF), where the indanonyl moiety of the molecule rotates around the isomerizing double bond.
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