title: Synthesis of crystalline molecular gyrotops and phenylene rotation inside the cage.
abstract: Phenylene-bridged macrocage molecules were synthesized as molecular gyrotops because the rotor can rotate even in a crystal. The chain-length-dependent properties of the molecular gyrotops were investigated in order to explore the potential to create new molecular materials. The formation of the cage in the synthesis of each molecular gyrotop depended on the length of the alkyl chains of the precursor. The rotation modes and energy barriers for phenylene rotation inside the crystals of the molecular gyrotops were changed by varying the chain length of the cage.
authors: Division of Applied Chemistry, Faculty of Urban Environmental Sciences, Tokyo Metropolitan University , Hachioji, Tokyo 192-0397, Japan.
authors: Wataru
authors: W
authors: Setaka
authors: Kazuyuki
authors: K
authors: Inoue
authors: Sayaka
authors: S
authors: Higa
authors: Seiki
authors: S
authors: Yoshigai
authors: Hirohiko
authors: H
authors: Kono
authors: Kentaro
authors: K
authors: Yamaguchi
mesh_terms: D001555:Benzene Derivatives / Q000138:chemical synthesis* / Q000737:chemistry; D001952:Bridged-Ring Compounds / Q000138:chemical synthesis* / Q000737:chemistry; D018360:Crystallography, X-Ray; D008958:Models, Molecular
chemical_list: D001555:Benzene Derivatives; D001952:Bridged-Ring Compounds