Bis-o-semiquinonato complexes of transition metals with 5,7-di-tert-butyl-2-(pyridine-2-yl)benzoxazole
Nikolay V. Somov
3
,
Gleb A. Abakumov
1
,
Publication type: Journal Article
Publication date: 2013-01-01
scimago Q3
wos Q2
SJR: 0.396
CiteScore: 4.9
Impact factor: 2.6
ISSN: 02775387, 18733719
Materials Chemistry
Inorganic Chemistry
Physical and Theoretical Chemistry
Abstract
New cobalt(II), iron(II) and manganese(II) complexes of M(3,6-SQ) 2 L type containing 3,6-di-tert-butyl- o -benzosemiquinonato ligands (3,6-SQ) and substituted 2-(pyridine-2-yl)benzoxazole (L) were characterized in details. Magnetic susceptibility measurements and spectroscopic studies have shown that all complexes include metal(II) in the high-spin state and two radical-anionic o -semiquinonato ligands. The antiferromagnetic ligand–ligand coupling in cobalt(II) and iron(II) complexes takes place, while manganese(II) complex demonstrates metal–ligand antiferromagnetic interactions. New cobalt(II) ( 1 ), iron(II) ( 2 ) and manganese(II) ( 3 ) complexes of M(3,6-SQ) 2 L type containing 3,6-di-tert-butyl- o -benzosemiquinonato ligands (3,6-SQ) and 5,7-di-tert-butyl-2-(pyridine-2-yl)benzoxazole (L) were synthesized and characterized in details. Magnetic susceptibility measurements and spectroscopic studies have shown that all complexes include metal(II) in the high-spin state and two radical-anionic o -semiquinonato ligands. The antiferromagnetic ligand–ligand coupling in cobalt(II) and iron(II) complexes takes place, while manganese(II) complex demonstrates metal–ligand antiferromagnetic interactions. Molecular structure of Co(3,6-SQ) 2 L was determined by X-ray analysis. Cobalt(II) atom has a distorted trigonal prismatic environment.
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Protasenko N. A. et al. Bis-o-semiquinonato complexes of transition metals with 5,7-di-tert-butyl-2-(pyridine-2-yl)benzoxazole // Polyhedron. 2013. Vol. 49. No. 1. pp. 239-243.
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Protasenko N. A., Poddel'sky A. I., Bogomyakov A. S., Somov N. V., Abakumov G. A., Cherkasov V. K. Bis-o-semiquinonato complexes of transition metals with 5,7-di-tert-butyl-2-(pyridine-2-yl)benzoxazole // Polyhedron. 2013. Vol. 49. No. 1. pp. 239-243.
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TY - JOUR
DO - 10.1016/j.poly.2012.10.016
UR - https://doi.org/10.1016/j.poly.2012.10.016
TI - Bis-o-semiquinonato complexes of transition metals with 5,7-di-tert-butyl-2-(pyridine-2-yl)benzoxazole
T2 - Polyhedron
AU - Protasenko, Natalia A
AU - Poddel'sky, Andrey I.
AU - Bogomyakov, Artem S
AU - Somov, Nikolay V.
AU - Abakumov, Gleb A.
AU - Cherkasov, Vladimir Kuzmich
PY - 2013
DA - 2013/01/01
PB - Elsevier
SP - 239-243
IS - 1
VL - 49
SN - 0277-5387
SN - 1873-3719
ER -
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@article{2013_Protasenko,
author = {Natalia A Protasenko and Andrey I. Poddel'sky and Artem S Bogomyakov and Nikolay V. Somov and Gleb A. Abakumov and Vladimir Kuzmich Cherkasov},
title = {Bis-o-semiquinonato complexes of transition metals with 5,7-di-tert-butyl-2-(pyridine-2-yl)benzoxazole},
journal = {Polyhedron},
year = {2013},
volume = {49},
publisher = {Elsevier},
month = {jan},
url = {https://doi.org/10.1016/j.poly.2012.10.016},
number = {1},
pages = {239--243},
doi = {10.1016/j.poly.2012.10.016}
}
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MLA
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Protasenko, Natalia A., et al. “Bis-o-semiquinonato complexes of transition metals with 5,7-di-tert-butyl-2-(pyridine-2-yl)benzoxazole.” Polyhedron, vol. 49, no. 1, Jan. 2013, pp. 239-243. https://doi.org/10.1016/j.poly.2012.10.016.