Molecular and crystal structure of azobenzene-containing amphiphile, C6AzoC10N+Br-.
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概要
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A totally synthetic azobenzene-containing amphiphile C<SUB>32</SUB>H<SUB>52</SUB>N<SUB>3</SUB>O<SUB>3</SUB>Br (C<SUB>6</SUB>AzoC<SUB>10</SUB>N<SUP>+</SUP>Br<SUP>−</SUP>) was crystallized from its solution in trichloromethane and ethanol. The crystal is triclinic with space group <I>P</I>\bar1; <I>Z</I>=2; <I>a</I>=24.317(5), <I>b</I>=8.632(1), and <I>c</I>=8.043(2) Å; and α=91.41(2), β=80.62(2), and γ=99.01(1)°. The structure was solved by the direct method and refined by the full-matrix least-squares method: <I>R</I>=0.038 for 4305 observed reflections (2θ<120°, Cu <I>K</I>α, λ=1.5418 Å). Two molecules in a unit cell are related by a center of symmetry and pack tail-to-tail in a bilayer structure. The plane of the azobenzene chromophore is almost perpendicular to the layer surface and is overlapped with that of the azobenzene chromophore along its long axis with a separation of 3.55 Å. Different from other homologous compounds, this molecule bends almost 90° at the neck of the hydrophilic head group.
- 公益社団法人 日本化学会の論文
著者
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Okuyama Kenji
Faculty Of Technology Tokyo University Of Agriculture & Technology
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OKUYAMA Kenji
Faculty of Technology, Tokyo University of Agriculture and Technology
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Shimomura Masatsugu
Faculty of Technology, Tokyo University of Agriculture and Technology
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Xu Guiqing
Faculty of Technology, Tokyo University of Agriculture and Technology
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