Water- and Temperature-Triggered Reversible Structural Transformation of Tetranuclear Cobalt(II) Cores Sandwiched by Polyoxometalates

Chemistry : a European Journal
Yosuke KuriyamaNoritaka Mizuno

Abstract

Although stimuli-responsive structural transformations of inorganic materials have attracted considerable attention because of their potential use as functional switchable materials, multinuclear metal cores frequently suffer from unexpected dissociation of metal cations and/or irreversible transformations into infinite structures. In this study, we describe the successful demonstration of the water- and temperature-triggered reversible structural transformation between cubane- and planar-type tetranuclear Co(II) cores sandwiched by polyoxometalates. The arrangements and coordination geometries of the Co(II) cations were interconverted by simple hydration and dehydration, resulting in the manipulation of the magnetic and optical properties of these compounds. Moreover, this system showed unique thermochromism through temperature-dependent reversible structural interconversion.

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Citations

May 26, 2017·Dalton Transactions : an International Journal of Inorganic Chemistry·Takumi HanayaNoritaka Mizuno
Aug 11, 2016·Chemical Communications : Chem Comm·Kosuke SuzukiNoritaka Mizuno
Feb 20, 2019·Dalton Transactions : an International Journal of Inorganic Chemistry·Kosuke SuzukiKazuya Yamaguchi
Nov 7, 2018·Acta Crystallographica. Section C, Structural Chemistry·Santiago ReinosoJuan M Gutiérrez-Zorrilla
Sep 28, 2017·Journal of the American Chemical Society·Fangyuan SongGreta R Patzke

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