Hydrogen-bonded metallosupramolecular helices composed of a nona-protonated spherical RhIII4ZnII4 cluster with twelve carboxylate arms

Ukyo Yamashita; Nobuto Yoshinari; Rapheepraew Sodkhomkhum; Natthaya Meundaeng; Takumi Konno

doi:10.1039/D0CE00133C

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Hydrogen-bonded metallosupramolecular helices composed of a nona-protonated spherical Rh ^III₄Zn ^II₄ cluster with twelve carboxylate arms†

Ukyo Yamashita,^a Nobuto Yoshinari,

^a Rapheepraew Sodkhomkhum,

^a Natthaya Meundaeng

^ab and Takumi Konno

*^a

Author affiliations

* Corresponding authors

^a Department of Chemistry, Graduate School of Science, Osaka University, Toyonaka, Osaka, 560-0043 Japan
E-mail: konno@chem.sci.osaka-u.ac.jp
Tel: +81 6 6850 5765

^b Department of Chemistry, Faculty of Science, King Mongkut's Institute of Technology Ladkrabang, Bangkok, 10520 Thailand

Abstract

Treatment of an octanuclear Rh^III₄Zn^II₄ cluster containing 12 free carboxylate groups, K₆[Rh₄Zn₄O(L-cys)₁₂] (K₆[1], L-H₂cys = L-cysteine), with inorganic acids (HX = HBr, H₂SO₄) produced ionic crystals of [H₉1]X₃ composed of nona-protonated [H₉1]³⁺ cations and X anions. The H-bonded metallosupramolecular helices in [H₉1]X₃, which showed proton conductivity and ammonia adsorption, were controlled by the employed inorganic anions.

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Article information

DOI: https://doi.org/10.1039/D0CE00133C
Article type: Communication
Submitted: 29 Jan 2020
Accepted: 17 Feb 2020
First published: 19 Feb 2020

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CrystEngComm, 2020,22, 2700-2704

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Hydrogen-bonded metallosupramolecular helices composed of a nona-protonated spherical Rh^III₄Zn^II₄ cluster with twelve carboxylate arms

U. Yamashita, N. Yoshinari, R. Sodkhomkhum, N. Meundaeng and T. Konno, CrystEngComm, 2020, 22, 2700 DOI: 10.1039/D0CE00133C

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