Straightforward access to a new cyanide-bridged {FeCo} "molecular box" containing a potassium ion, namely K⊂{[Fe(Tp)(CN)][Co(Tp)][Co(Tp)]} () (with Tp and Tp = tris- and tetrakis(pyrazolyl)borate, respectively), is provided, alongside its full characterisation. A detailed analysis of the molecular structure (X-ray diffraction, mass spectrometry, NMR spectroscopy) and electronic properties (EPR spectroscopy, SQUID magnetometry, UV/Vis spectroscopy, cyclic voltammetry) reveals that shows slow magnetic relaxation and a remarkable photomagnetic effect at low temperature which is reminiscent of some FeCo Prussian Blue Analogues (PBAs), and is ascribed to a photo-induced electron transfer. However, in contrast with these inorganic polymers, the overall neutral compound is soluble and remarkably stable in organic solvents such as CHCl. Moreover, shows interesting redox versatility, with electrochemical experiments revealing the possible access to six stable redox states.
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| http://dx.doi.org/10.1039/c6sc01435f | DOI Listing |
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