Inside Cover: Jumping Crystal of a Hydrogen‐Bonded Organic Framework Induced by the Collective Molecular Motion of a Twisted π System (Angew. Chem. Int. Ed. 30/2019) | Zendy

Takeda Takashi | Zendy; Ozawa Masataka | Zendy; Akutagawa Tomoyuki | Zendy

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Inside Cover: Jumping Crystal of a Hydrogen‐Bonded Organic Framework Induced by the Collective Molecular Motion of a Twisted π System (Angew. Chem. Int. Ed. 30/2019)

Author(s) -

Takeda Takashi,

Ozawa Masataka,

Akutagawa Tomoyuki

Publication year - 2019

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Reports

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.201907524

Subject(s) - diamondoid , jumping , crystal (programming language) , cover (algebra) , hydrogen bond , molecule , crystallography , crystal structure , molecular dynamics , chemistry , materials science , nanotechnology , physics , stereochemistry , computational chemistry , organic chemistry , computer science , mechanical engineering , engineering , physiology , biology , programming language

Crystal jumping behavior of a hydrogen‐bonded organic framework (HOF) is induced by collective molecular motion. In their Research Article on page 10345, T. Takeda et al. show a HOF composed of a twisted π framework of tetra[2,3]thienylene tetracarboxylic acid, which forms unique six‐fold interpenetrated diamondoid assemblies. Desolvation of the guest THF molecule in the channel of the HOF structure induces collective fluctuation of the twisted π framework, resulting in the crystal jumping behavior. The mechanism is schematically presented in the picture.

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