Enhancing SIM behaviour in a mononuclear tetrahedral [Co(N,N′-2-iminopyrrolyl)2] complex

A new homoleptic Co(ii) complex bearing two highly sterically congested 2-formiminopyrrolyl N,N '-chelating ligands is reported, displaying slow relaxation of the magnetisation at zero static (DC) field. This compound shows a large value for the zero-field splitting (ZFS) parameter D of -42.6(4...

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Vydané v:Chemical communications (Cambridge, England) Ročník 58; číslo 69; s. 9682 - 9685
Hlavní autori: Ferreira, Patricia S., Malta, Jose F., Bandeira, Nuno A. G., Allgaier, Alexander, van Slageren, Joris, Paixao, Jose A., Almeida, Manuel, Pereira, Laura C. J., Gomes, Pedro T.
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: CAMBRIDGE Royal Soc Chemistry 25.08.2022
Predmet:
Chemistry
Chemistry, Multidisciplinary
Physical Sciences
Science & Technology
SINGLE-MOLECULE MAGNET
RELAXATION
FIELD
ISSN:1359-7345, 1364-548X
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Popis
Shrnutí:A new homoleptic Co(ii) complex bearing two highly sterically congested 2-formiminopyrrolyl N,N '-chelating ligands is reported, displaying slow relaxation of the magnetisation at zero static (DC) field. This compound shows a large value for the zero-field splitting (ZFS) parameter D of -42.6(4) cm(-1) leading to a spin-reversal energy barrier U-eff of 85 cm(-1).
Bibliografia:FCT
ISSN:1359-7345
1364-548X
DOI:10.1039/d2cc03511a