Structural, Magnetic, and Electrochemical Characterization of Iron(III) and Cobalt Complexes with Penta-N3O2-dentate Ligands

Dominik Natke; Annika Preiss; Stephen Klimke; Takuya Shiga; Roman Boca; Masaaki Ohba; Hiroki Oshio; Franz Renz

doi:10.1002/ejic.202100081

Structural, Magnetic, and Electrochemical Characterization of Iron(III) and Cobalt Complexes with Penta-N₃O₂-dentate Ligands

Dominik Natke, Annika Preiss, Stephen Klimke, Takuya Shiga, Roman Boca, Masaaki Ohba, Hiroki Oshio, Franz Renz

Inorganic and Analytical Chemistry

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

Six new mononuclear [Fe^III(L_Br,Cl)X]-complexes (L_Br,Cl is the dianionic penta-N₃O₂-dentate Schiff base ligand N,N′-bis(2’-hydroxy-3-bromo-5-chlorobenzylidene)-1,6-diamino-3-azahexane; X: Cl⁻, N₃⁻, NCO⁻, NCS⁻, NCSe⁻, CN⁻) were synthesized and their structures, magnetic and electrochemical properties studied. Structure analysis and magnetic measurements showed that [Fe^III(L_Br,Cl)CN] is in the low spin state and the other five complexes are in high spin states. Furthermore, the trinuclear mixed valent cobalt complex {[Co^III(L_H,H)CN]₂[Co^II(1-methylimidazole)₃(H₂O)]} was prepared and its magnetic behavior studied.

Original language	English
Pages (from-to)	1498-1504
Number of pages	7
Journal	European Journal of Inorganic Chemistry
Volume	2021
Issue number	15
DOIs	https://doi.org/10.1002/ejic.202100081
Publication status	Published - Apr 22 2021

All Science Journal Classification (ASJC) codes

Inorganic Chemistry

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10.1002/ejic.202100081

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title = "Structural, Magnetic, and Electrochemical Characterization of Iron(III) and Cobalt Complexes with Penta-N3O2-dentate Ligands",

abstract = "Six new mononuclear [FeIII(LBr,Cl)X]-complexes (LBr,Cl is the dianionic penta-N3O2-dentate Schiff base ligand N,N′-bis(2{\textquoteright}-hydroxy-3-bromo-5-chlorobenzylidene)-1,6-diamino-3-azahexane; X: Cl−, N3−, NCO−, NCS−, NCSe−, CN−) were synthesized and their structures, magnetic and electrochemical properties studied. Structure analysis and magnetic measurements showed that [FeIII(LBr,Cl)CN] is in the low spin state and the other five complexes are in high spin states. Furthermore, the trinuclear mixed valent cobalt complex {[CoIII(LH,H)CN]2[CoII(1-methylimidazole)3(H2O)]} was prepared and its magnetic behavior studied.",

author = "Dominik Natke and Annika Preiss and Stephen Klimke and Takuya Shiga and Roman Boca and Masaaki Ohba and Hiroki Oshio and Franz Renz",

note = "Funding Information: This work was supported by the Hannover School for Nanotechnology (HSN) and the German Academic Exchange Service (DAAD). Open access funding enabled and organized by Projekt DEAL. Publisher Copyright: {\textcopyright} 2021 The Authors. European Journal of Inorganic Chemistry published by Wiley-VCH GmbH",

year = "2021",

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T1 - Structural, Magnetic, and Electrochemical Characterization of Iron(III) and Cobalt Complexes with Penta-N3O2-dentate Ligands

AU - Natke, Dominik

AU - Preiss, Annika

AU - Klimke, Stephen

AU - Shiga, Takuya

AU - Boca, Roman

AU - Ohba, Masaaki

AU - Oshio, Hiroki

AU - Renz, Franz

N1 - Funding Information: This work was supported by the Hannover School for Nanotechnology (HSN) and the German Academic Exchange Service (DAAD). Open access funding enabled and organized by Projekt DEAL. Publisher Copyright: © 2021 The Authors. European Journal of Inorganic Chemistry published by Wiley-VCH GmbH

PY - 2021/4/22

Y1 - 2021/4/22

N2 - Six new mononuclear [FeIII(LBr,Cl)X]-complexes (LBr,Cl is the dianionic penta-N3O2-dentate Schiff base ligand N,N′-bis(2’-hydroxy-3-bromo-5-chlorobenzylidene)-1,6-diamino-3-azahexane; X: Cl−, N3−, NCO−, NCS−, NCSe−, CN−) were synthesized and their structures, magnetic and electrochemical properties studied. Structure analysis and magnetic measurements showed that [FeIII(LBr,Cl)CN] is in the low spin state and the other five complexes are in high spin states. Furthermore, the trinuclear mixed valent cobalt complex {[CoIII(LH,H)CN]2[CoII(1-methylimidazole)3(H2O)]} was prepared and its magnetic behavior studied.

AB - Six new mononuclear [FeIII(LBr,Cl)X]-complexes (LBr,Cl is the dianionic penta-N3O2-dentate Schiff base ligand N,N′-bis(2’-hydroxy-3-bromo-5-chlorobenzylidene)-1,6-diamino-3-azahexane; X: Cl−, N3−, NCO−, NCS−, NCSe−, CN−) were synthesized and their structures, magnetic and electrochemical properties studied. Structure analysis and magnetic measurements showed that [FeIII(LBr,Cl)CN] is in the low spin state and the other five complexes are in high spin states. Furthermore, the trinuclear mixed valent cobalt complex {[CoIII(LH,H)CN]2[CoII(1-methylimidazole)3(H2O)]} was prepared and its magnetic behavior studied.

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JO - Berichte der deutschen chemischen Gesellschaft

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Structural, Magnetic, and Electrochemical Characterization of Iron(III) and Cobalt Complexes with Penta-N₃O₂-dentate Ligands

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