Structural Polymorphism of Resorcinarene Assemblies

In 1997, a study based on X-ray crystallography revealed that resorcinarenes adopt a hexameric capsule-like structure. The function of resorcinarenes has been discussed on the basis of this structure; however, our recent study showed that the hexamer may be only one of resorcinarenes' polymorph...

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Publié dans:Langmuir : the ACS journal of surfaces and colloids. - 1985. - 36(2020), 22 vom: 09. Juni, Seite 6222-6227
Auteur principal: Fujii, Shota (Auteur)
Autres auteurs: Miyake, Rika, Campo, Liliana de, Lee, Ji Ha, Takahashi, Rintaro, Sakurai, Kazuo
Format: Article en ligne
Langue:English
Publié: 2020
Accès à la collection:Langmuir : the ACS journal of surfaces and colloids
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520 |a In 1997, a study based on X-ray crystallography revealed that resorcinarenes adopt a hexameric capsule-like structure. The function of resorcinarenes has been discussed on the basis of this structure; however, our recent study showed that the hexamer may be only one of resorcinarenes' polymorphic members. Here, we present the solvent dependence of the aggregation number of C-undecylresorcinarene in water-saturated toluene and chloroform using small-angle neutron and X-ray scattering and analytical ultracentrifugation measurements. We found that a new octamer was formed in toluene where the eight resorcinarene units were placed at the vertices of a regular cube; this contrasts to the previous structure in chloroform, namely, a hexamer with the six resorcinarenes located at the vertices of a regular octahedron that has a cavity inside where chloroform molecules are pooled 
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700 1 |a Miyake, Rika  |e verfasserin  |4 aut 
700 1 |a Campo, Liliana de  |e verfasserin  |4 aut 
700 1 |a Lee, Ji Ha  |e verfasserin  |4 aut 
700 1 |a Takahashi, Rintaro  |e verfasserin  |4 aut 
700 1 |a Sakurai, Kazuo  |e verfasserin  |4 aut 
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