The crystal and molecular structure of dimethyl m-phenylenediacrylate.
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概要
- 論文の詳細を見る
Photooligomerizable crystals of dimethyl <I>m</I>-phenylenediacrylate are orthorhombic, Pmn2<SUB>1</SUB>, with <I>a</I>=26.419(8), <I>b</I>=3.960(1), <I>c</I>=5.935(2) Å, and <I>Z</I>=2. The structure was solved by the direct method and refined by the block-diagonal least-squares calculation to the <I>R</I> value of 0.042 for 617 observed reflections. The molecule is nearly planar and V-shaped with a mirror symmetry. A parallel plane-to-plane stack is found along the short b-axis. The molecules in the stack overlap completely, in contrast with the half-molecule overlap in the photopolymerizable crystals of this kind. The length of the b-axis is just the shortest intermolecular distance between reactive double bonds, indicating that the double bonds related by the b-translation would react to form a cyclobutane ring with a mirror symmetry.
- 公益社団法人 日本化学会の論文
著者
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NAKANISHI Hachiro
Research Institute for Polymers and Textiles
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Sasada Yoshio
Faculty Of Science Osaka University
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Sasada Yoshio
Faculty of Science, Tokyo Institute of Technology
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