Volume 45, Issue 25 pp. 4142-4145
Communication

Supramolecular Chirality in Layered Crystals of Achiral Ammonium Salts and Fatty Acids: A Hierarchical Interpretation

Akira Tanaka

Akira Tanaka

Department of Material and Life Science, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita 565-0871, Japan, Fax: (+81) 6-6879-7406

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Katsunari Inoue

Katsunari Inoue

Department of Material and Life Science, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita 565-0871, Japan, Fax: (+81) 6-6879-7406

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Ichiro Hisaki Dr.

Ichiro Hisaki Dr.

Department of Material and Life Science, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita 565-0871, Japan, Fax: (+81) 6-6879-7406

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Norimitsu Tohnai Dr.

Norimitsu Tohnai Dr.

Department of Material and Life Science, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita 565-0871, Japan, Fax: (+81) 6-6879-7406

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Mikiji Miyata Prof. Dr.

Mikiji Miyata Prof. Dr.

Department of Material and Life Science, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita 565-0871, Japan, Fax: (+81) 6-6879-7406

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Akikazu Matsumoto Prof. Dr.

Akikazu Matsumoto Prof. Dr.

Department of Applied Chemistry, Graduate School of Engineering, Osaka City University, Sugimoto, Sumiyoshi-ku, Osaka 558-8585, Japan

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First published: 08 June 2006
Citations: 38

A.T. expresses his special thanks to the Center of Excellence (21COE) program “Creation of Integrated EcoChemistry of Osaka University”. This work was also supported by a Grant-in-Aid for Scientific Research (15350070) from the Ministry of Education, Culture, Sports, Science, and Technology, Japan.

Graphical Abstract

Something out of nothing: Chiral layered crystals are obtained from achiral 4-methylbenzylammonium myristate and pentadecanoate. The molecular chirality within a single molecule in these systems arises from the fixation of the conformation. It then spreads over the 2D layers and finally over the 3D crystal to generate supramolecular chirality by parallel assembly (see picture).

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