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

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Abstract

Treatment of an octanuclear RhIII4ZnII4 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.

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

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Article information


Submitted
29 Jan 2020
Accepted
17 Feb 2020
First published
19 Feb 2020

CrystEngComm, 2020, Advance Article
Article type
Communication

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

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

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