High Proton Conduction in a Chiral Ferromagnetic Metal–Organic Quartz-like Framework

A complex-as-ligand strategy to get a multifunctional molecular material led to a metal–organic framework with the formula (NH4)4[MnCr2(ox)6]·4H2O. Single-crystal X-ray diffraction revealed that the anionic bimetallic coordination network adopts a chiral three-dimensional quartz-like architecture. I...

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Bibliographic Details
Published in:Journal of the American Chemical Society 2011-10, Vol.133 (39), p.15328-15331
Main Authors: Pardo, Emilio, Train, Cyrille, Gontard, Geoffrey, Boubekeur, Kamal, Fabelo, Oscar, Liu, Hongbo, Dkhil, Brahim, Lloret, Francesc, Nakagawa, Kosuke, Tokoro, Hiroko, Ohkoshi, Shin-ichi, Verdaguer, Michel
Format: Article
Language:English
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Summary:A complex-as-ligand strategy to get a multifunctional molecular material led to a metal–organic framework with the formula (NH4)4[MnCr2(ox)6]·4H2O. Single-crystal X-ray diffraction revealed that the anionic bimetallic coordination network adopts a chiral three-dimensional quartz-like architecture. It hosts ammonium cations and water molecules in functionalized channels. In addition to ferromagnetic ordering below T C = 3.0 K related to the host network, the material exhibits a very high proton conductivity of 1.1 × 10–3 S cm–1 at room temperature due to the guest molecules.
ISSN:0002-7863
1520-5126
DOI:10.1021/ja206917z