Crystal structure of spherical aromatic amide: pseudopolymorphs and formation of infinite water cluster in the channel structure

Hyuma Masu; Yuko Sagara; Fumiaki Imabeppu; Hiroaki Takayanagi; Kosuke Katagiri; Masatoshi Kawahata; Masahide Tominaga; Hiroyuki Kagechika; Kentaro Yamaguchi; Isao Azumaya

doi:10.1039/C0CE00301H

Crystal structure of spherical aromatic amide: pseudopolymorphs and formation of infinite water cluster in the channel structure†

Hyuma Masu,^a Yuko Sagara,^b Fumiaki Imabeppu,^c Hiroaki Takayanagi,^b Kosuke Katagiri,^a Masatoshi Kawahata,^a Masahide Tominaga,^a Hiroyuki Kagechika,^c Kentaro Yamaguchi^a and Isao Azumaya*^a

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* Corresponding authors

^a Faculty of Pharmaceutical Sciences at Kagawa Campus, Tokushima Bunri University, 1314-1 Shido, Sanuki, Kagawa, Japan
E-mail: azumayai@kph.bunri-u.ac.jp

^b School of Pharmaceutical Sciences, Kitasato University, 5-9-1 Shirokane, Minato-ku, Tokyo, Japan

^c School of Biomedical Science, Tokyo Medical and Dental University, Kanda-Surugadai, Chiyoda-ku, Tokyo, Japan

Abstract

A simple spherical aromatic amide constructed a channel-shaped network structure by weak intermolecular interactions in the crystalline state. The channel incorporated water molecules which form a tape-like 1D chain network. Pseudopolymorphism of the spherical compound generated a different shape of the channel and incorporated acetonitrile molecules instead of water.

CrystEngComm

Crystal structure of spherical aromatic amide: pseudopolymorphs and formation of infinite water cluster in the channel structure†

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Crystal structure of spherical aromatic amide: pseudopolymorphs and formation of infinite water cluster in the channel structure

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