Standard

Tetrahedral nickel(ii) and cobalt(ii) bis-O-iminobenzosemiquinonates. / Ershova, Irina V.; Smolyaninov, Ivan V.; Bogomyakov, Artem S. и др.

в: Dalton Transactions, Том 48, № 28, 19.06.2019, стр. 10723-10732.

Результаты исследований: Научные публикации в периодических изданияхстатьяРецензирование

Harvard

Ershova, IV, Smolyaninov, IV, Bogomyakov, AS, Fedin, MV, Starikov, AG, Cherkasov, AV, Fukin, GK & Piskunov, AV 2019, 'Tetrahedral nickel(ii) and cobalt(ii) bis-O-iminobenzosemiquinonates', Dalton Transactions, Том. 48, № 28, стр. 10723-10732. https://doi.org/10.1039/c9dt01424a

APA

Ershova, I. V., Smolyaninov, I. V., Bogomyakov, A. S., Fedin, M. V., Starikov, A. G., Cherkasov, A. V., Fukin, G. K., & Piskunov, A. V. (2019). Tetrahedral nickel(ii) and cobalt(ii) bis-O-iminobenzosemiquinonates. Dalton Transactions, 48(28), 10723-10732. https://doi.org/10.1039/c9dt01424a

Vancouver

Ershova IV, Smolyaninov IV, Bogomyakov AS, Fedin MV, Starikov AG, Cherkasov AV и др. Tetrahedral nickel(ii) and cobalt(ii) bis-O-iminobenzosemiquinonates. Dalton Transactions. 2019 июнь 19;48(28):10723-10732. doi: 10.1039/c9dt01424a

Author

Ershova, Irina V. ; Smolyaninov, Ivan V. ; Bogomyakov, Artem S. и др. / Tetrahedral nickel(ii) and cobalt(ii) bis-O-iminobenzosemiquinonates. в: Dalton Transactions. 2019 ; Том 48, № 28. стр. 10723-10732.

BibTeX

@article{a08cbeeadded49328403ac1698c2433b,
title = "Tetrahedral nickel(ii) and cobalt(ii) bis-O-iminobenzosemiquinonates",
abstract = "The new bis-o-iminobenzosemiquinonate nickel and cobalt complexes (imSQt-Bu)2M (M = Ni (1), Co (2)), where imSQ is a radical anion of 4,6-di-tert-butyl-N-(tert-butyl)-o-iminobenzoquinone, were synthesized and characterized in detail. The molecular structures of 1 and 2 have been established by single-crystal X-ray analysis. The metal atoms in 1 and 2 have a distorted tetrahedral environment, and the dihedral angles between the planes of two radical imSQ ligands are approximately 80° in both complexes. According to the structural and spectroscopy data along with magnetic susceptibility measurements the electronic structure of the complexes should be interpreted definitely as a high spin metal center NiII (d8, S = 1) in 1 and CoII (d7, S = 3/2) in 2 bonded with two o-iminobenzosemiquinonate radicals (Srad = 1/2). The strong antiferromagnetic metal-ligand spin interactions in both complexes lead to the observed St = 0 and St = 1/2 ground states in 1 and 2, respectively. The computational DFT UB3LYP/6-311++G(d,p) studies performed on 1 and 2 are in good agreement with experimental data. Complexes 1 and 2 have similar electrochemical properties. The electrochemical reduction of the complexes includes two quasi-reversible one-electron-transfer waves in the cathodic region corresponding to the formation of the anions [M(AP)2]2- and [(imSQ)M(AP)]1- (AP-dianion of 4,6-di-tert-butyl-N-(tert-butyl)-o-iminobenzoquinone), while in the anodic region only one quasi-reversible redox process was registered. All redox processes are shown to be ligand-based.",
keywords = "TRANSITION-METAL-COMPLEXES, ELECTRON-TRANSFER SERIES, NONINNOCENT LIGAND, CRYSTAL-STRUCTURE, OXIDATION-STATES, SQUARE-PLANAR, COORDINATION, 4-COORDINATE, NI, NICKEL(O)-BIS(CHELATES)",
author = "Ershova, {Irina V.} and Smolyaninov, {Ivan V.} and Bogomyakov, {Artem S.} and Fedin, {Matvey V.} and Starikov, {Andrey G.} and Cherkasov, {Anton V.} and Fukin, {Georgy K.} and Piskunov, {Alexandr V.}",
year = "2019",
month = jun,
day = "19",
doi = "10.1039/c9dt01424a",
language = "English",
volume = "48",
pages = "10723--10732",
journal = "Dalton Transactions",
issn = "1477-9226",
publisher = "Royal Society of Chemistry",
number = "28",

}

RIS

TY - JOUR

T1 - Tetrahedral nickel(ii) and cobalt(ii) bis-O-iminobenzosemiquinonates

AU - Ershova, Irina V.

AU - Smolyaninov, Ivan V.

AU - Bogomyakov, Artem S.

AU - Fedin, Matvey V.

AU - Starikov, Andrey G.

AU - Cherkasov, Anton V.

AU - Fukin, Georgy K.

AU - Piskunov, Alexandr V.

PY - 2019/6/19

Y1 - 2019/6/19

N2 - The new bis-o-iminobenzosemiquinonate nickel and cobalt complexes (imSQt-Bu)2M (M = Ni (1), Co (2)), where imSQ is a radical anion of 4,6-di-tert-butyl-N-(tert-butyl)-o-iminobenzoquinone, were synthesized and characterized in detail. The molecular structures of 1 and 2 have been established by single-crystal X-ray analysis. The metal atoms in 1 and 2 have a distorted tetrahedral environment, and the dihedral angles between the planes of two radical imSQ ligands are approximately 80° in both complexes. According to the structural and spectroscopy data along with magnetic susceptibility measurements the electronic structure of the complexes should be interpreted definitely as a high spin metal center NiII (d8, S = 1) in 1 and CoII (d7, S = 3/2) in 2 bonded with two o-iminobenzosemiquinonate radicals (Srad = 1/2). The strong antiferromagnetic metal-ligand spin interactions in both complexes lead to the observed St = 0 and St = 1/2 ground states in 1 and 2, respectively. The computational DFT UB3LYP/6-311++G(d,p) studies performed on 1 and 2 are in good agreement with experimental data. Complexes 1 and 2 have similar electrochemical properties. The electrochemical reduction of the complexes includes two quasi-reversible one-electron-transfer waves in the cathodic region corresponding to the formation of the anions [M(AP)2]2- and [(imSQ)M(AP)]1- (AP-dianion of 4,6-di-tert-butyl-N-(tert-butyl)-o-iminobenzoquinone), while in the anodic region only one quasi-reversible redox process was registered. All redox processes are shown to be ligand-based.

AB - The new bis-o-iminobenzosemiquinonate nickel and cobalt complexes (imSQt-Bu)2M (M = Ni (1), Co (2)), where imSQ is a radical anion of 4,6-di-tert-butyl-N-(tert-butyl)-o-iminobenzoquinone, were synthesized and characterized in detail. The molecular structures of 1 and 2 have been established by single-crystal X-ray analysis. The metal atoms in 1 and 2 have a distorted tetrahedral environment, and the dihedral angles between the planes of two radical imSQ ligands are approximately 80° in both complexes. According to the structural and spectroscopy data along with magnetic susceptibility measurements the electronic structure of the complexes should be interpreted definitely as a high spin metal center NiII (d8, S = 1) in 1 and CoII (d7, S = 3/2) in 2 bonded with two o-iminobenzosemiquinonate radicals (Srad = 1/2). The strong antiferromagnetic metal-ligand spin interactions in both complexes lead to the observed St = 0 and St = 1/2 ground states in 1 and 2, respectively. The computational DFT UB3LYP/6-311++G(d,p) studies performed on 1 and 2 are in good agreement with experimental data. Complexes 1 and 2 have similar electrochemical properties. The electrochemical reduction of the complexes includes two quasi-reversible one-electron-transfer waves in the cathodic region corresponding to the formation of the anions [M(AP)2]2- and [(imSQ)M(AP)]1- (AP-dianion of 4,6-di-tert-butyl-N-(tert-butyl)-o-iminobenzoquinone), while in the anodic region only one quasi-reversible redox process was registered. All redox processes are shown to be ligand-based.

KW - TRANSITION-METAL-COMPLEXES

KW - ELECTRON-TRANSFER SERIES

KW - NONINNOCENT LIGAND

KW - CRYSTAL-STRUCTURE

KW - OXIDATION-STATES

KW - SQUARE-PLANAR

KW - COORDINATION

KW - 4-COORDINATE

KW - NI

KW - NICKEL(O)-BIS(CHELATES)

UR - http://www.scopus.com/inward/record.url?scp=85069219075&partnerID=8YFLogxK

U2 - 10.1039/c9dt01424a

DO - 10.1039/c9dt01424a

M3 - Article

C2 - 31246209

AN - SCOPUS:85069219075

VL - 48

SP - 10723

EP - 10732

JO - Dalton Transactions

JF - Dalton Transactions

SN - 1477-9226

IS - 28

ER -

ID: 22848839