K⊂{[FeII (Tp)(CN)3 ]4 [CoIII (pz Tp)]3 [CoII (pz Tp)]}: a neutral soluble model complex of photomagnetic Prussian blue analogues

Chemical Science
D GarnierRodrigue Lescouëzec

Abstract

Straightforward access to a new cyanide-bridged {Fe4Co4} "molecular box" containing a potassium ion, namely K⊂{[FeII(Tp)(CN)3]4[CoIII(pzTp)]3[CoII(pzTp)]} (1) (with Tp and pzTp = 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 1 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 1 is soluble and remarkably stable in organic solvents such as CH2Cl2. Moreover, 1 shows interesting redox versatility, with electrochemical experiments revealing the possible access to six stable redox states.

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Citations

Oct 27, 2018·Dalton Transactions : an International Journal of Inorganic Chemistry·Bin XiaJian-Rong Li
May 9, 2019·Dalton Transactions : an International Journal of Inorganic Chemistry·Maria-Gabriela AlexandruMiguel Julve
Jun 18, 2019·Dalton Transactions : an International Journal of Inorganic Chemistry·Gabriela MarinescuMarius Andruh
Nov 28, 2019·Dalton Transactions : an International Journal of Inorganic Chemistry·Jedrzej KobylarczykRobert Podgajny
May 15, 2020·Chemical Communications : Chem Comm·Amina BenchohraRodrigue Lescouëzec
Nov 2, 2017·Dalton Transactions : an International Journal of Inorganic Chemistry·J-R JiménezR Lescouëzec
Aug 7, 2018·Dalton Transactions : an International Journal of Inorganic Chemistry·Tamires S FernandesDanielle Cangussu
Apr 25, 2018·Chemical Communications : Chem Comm·Juan-Ramón JiménezRodrigue Lescouëzec
Nov 2, 2016·Dalton Transactions : an International Journal of Inorganic Chemistry·Chunyang ZhengDongfeng Li
Apr 19, 2018·Dalton Transactions : an International Journal of Inorganic Chemistry·Maria-Gabriela AlexandruMiguel Julve
Jan 23, 2021·Dalton Transactions : an International Journal of Inorganic Chemistry·Prashurya Pritam MudoiNayanmoni Gogoi
Apr 24, 2021·The Journal of Physical Chemistry. a·Sujit KamilyaAbhishake Mondal
Jun 26, 2021·Dalton Transactions : an International Journal of Inorganic Chemistry·Xin-Hua ZhaoYuan-Zhu Zhang
Dec 10, 2016·Inorganic Chemistry·Rong-Jia WeiHiroki Oshio
Mar 22, 2019·The Journal of Physical Chemistry Letters·Niéli DafféJan Dreiser
Sep 8, 2021·Inorganic Chemistry·Lingyi MengYuan-Zhu Zhang
Nov 10, 2021·Inorganic Chemistry·Prashurya Pritam MudoiNayanmoni Gogoi

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Methods Mentioned

BETA
X-ray
NMR
cyclic voltammetry

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