Spin transitions in ferric catecholate complexes mediated by outer-sphere counteranions
M. G. Chegerev
1, 2
,
O. P. Demidov
3, 4
,
Pavel Vasilyev
5, 6
,
Nikolay Efimov
5, 6
,
Stanislav P. Kubrin
7, 8
,
Andrey Starikov
1, 2
,
Valery Grigorievich Vlasenko
7, 8
,
Alexander V. Piskunov
9, 10
,
Svetlana Shapovalova
11, 12
,
Alexander Guda
11, 12
,
Yu. V. Rusalev
11, 12
,
Alexander Soldatov
11, 12
5
7
Publication type: Journal Article
Publication date: 2022-06-27
scimago Q2
wos Q1
SJR: 0.653
CiteScore: 6.0
Impact factor: 3.3
ISSN: 14779226, 14779234
PubMed ID:
35792083
Inorganic Chemistry
Abstract
A family of ionic ferric catecholate complexes 1-4 bearing a disubstituted 3,6-di-tert-butyl-catecholate ligand (3,6-DBCatH2) and tetradentate tris(2-pyridylmethyl)amine (TPA) was prepared and its spin transitions were investigated. Variation of the outer-sphere counteranions (PF6, BPh4, ClO4, BF4) is accompanied by changes in the magnetic behavior of the compounds under consideration. The crystal structures of complexes 1, 3 and 4 were determined by single crystal X-ray diffraction analysis at 100 K and 293 K. The complexes were characterized by the occurrence of a thermally induced spin-crossover process in the solid state with different degrees of completeness, which was confirmed by the comprehensive spectroscopic investigation (EPR, magnetic susceptibility, Mössbauer, and XAS) of the isolated compounds. Complex 4 containing BF4 anions was found to demonstrate valence tautomeric transition along with spin-crossover. This finding makes compound 4 the first salt-like mononuclear ferric catecholate complex exhibiting valence tautomerism.
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GOST
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Chegerev M. G. et al. Spin transitions in ferric catecholate complexes mediated by outer-sphere counteranions // Dalton Transactions. 2022. Vol. 51. No. 29. pp. 10909-10919.
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Chegerev M. G., Demidov O. P., Vasilyev P., Efimov N., Kubrin S. P., Starikov A., Vlasenko V. G., Piskunov A. V., Shapovalova S., Guda A., Rusalev Y. V., Soldatov A. Spin transitions in ferric catecholate complexes mediated by outer-sphere counteranions // Dalton Transactions. 2022. Vol. 51. No. 29. pp. 10909-10919.
Cite this
RIS
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TY - JOUR
DO - 10.1039/d2dt01207c
UR - https://xlink.rsc.org/?DOI=D2DT01207C
TI - Spin transitions in ferric catecholate complexes mediated by outer-sphere counteranions
T2 - Dalton Transactions
AU - Chegerev, M. G.
AU - Demidov, O. P.
AU - Vasilyev, Pavel
AU - Efimov, Nikolay
AU - Kubrin, Stanislav P.
AU - Starikov, Andrey
AU - Vlasenko, Valery Grigorievich
AU - Piskunov, Alexander V.
AU - Shapovalova, Svetlana
AU - Guda, Alexander
AU - Rusalev, Yu. V.
AU - Soldatov, Alexander
PY - 2022
DA - 2022/06/27
PB - Royal Society of Chemistry (RSC)
SP - 10909-10919
IS - 29
VL - 51
PMID - 35792083
SN - 1477-9226
SN - 1477-9234
ER -
Cite this
BibTex (up to 50 authors)
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@article{2022_Chegerev,
author = {M. G. Chegerev and O. P. Demidov and Pavel Vasilyev and Nikolay Efimov and Stanislav P. Kubrin and Andrey Starikov and Valery Grigorievich Vlasenko and Alexander V. Piskunov and Svetlana Shapovalova and Alexander Guda and Yu. V. Rusalev and Alexander Soldatov},
title = {Spin transitions in ferric catecholate complexes mediated by outer-sphere counteranions},
journal = {Dalton Transactions},
year = {2022},
volume = {51},
publisher = {Royal Society of Chemistry (RSC)},
month = {jun},
url = {https://xlink.rsc.org/?DOI=D2DT01207C},
number = {29},
pages = {10909--10919},
doi = {10.1039/d2dt01207c}
}
Cite this
MLA
Copy
Chegerev, M. G., et al. “Spin transitions in ferric catecholate complexes mediated by outer-sphere counteranions.” Dalton Transactions, vol. 51, no. 29, Jun. 2022, pp. 10909-10919. https://xlink.rsc.org/?DOI=D2DT01207C.