,
volume 46
,
issue 5
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pages 317-325
Iron(II) and Cobalt(II) Complexes with 2,6-Bis(1,4-Diphenyl-5-Hydroxy-1H-Pyrazol-3-yl)pyridine: Synthesis, Structures, and Spin States
Publication type: Journal Article
Publication date: 2020-05-14
scimago Q4
wos Q4
SJR: 0.189
CiteScore: 1.7
Impact factor: 1.1
ISSN: 10703284, 16083318
General Chemistry
General Chemical Engineering
Abstract
The reactions of 2,6-bis(1,4-diphenyl-5-hydroxy-1H-pyrazol-3-yl)pyridine (L), which is the first representative of a series of 2,6-bis(pyrazol-3-yl)pyridine ligands bearing substituents in positions 1 and 4 of the pyrazol-3-yl ring, with the divalent iron and cobalt salts afford new Со(II) and Fe(II) complexes: [Co(L)2](ClO4)2 (I) and [Fe(L)2](ClO4)2 (II). The compounds are isolated in the individual state and characterized by elemental analysis, NMR spectroscopy, and X-ray diffraction analysis (CIF files CCDC nos. 1967892 (I) and 1967893 (II)). According to the data obtained, the transition metal ion in complexes I and II exists in the high-spin state (S = 3/2 for Co(II) and S = 2 for Fe(II)) in a range of 120–345 K, and the proposed modification of the ligand does not lead to the temperature-induced spin transition in both the solution and crystalline state.
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Nikovskii I. A. et al. Iron(II) and Cobalt(II) Complexes with 2,6-Bis(1,4-Diphenyl-5-Hydroxy-1H-Pyrazol-3-yl)pyridine: Synthesis, Structures, and Spin States // Russian Journal of Coordination Chemistry/Koordinatsionnaya Khimiya. 2020. Vol. 46. No. 5. pp. 317-325.
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Nikovskii I. A., Polezhaev A. V., Aleshin D. Yu., Melnikova E. K., Dorovatovskii P. V., Nelyubina Yu. V. Iron(II) and Cobalt(II) Complexes with 2,6-Bis(1,4-Diphenyl-5-Hydroxy-1H-Pyrazol-3-yl)pyridine: Synthesis, Structures, and Spin States // Russian Journal of Coordination Chemistry/Koordinatsionnaya Khimiya. 2020. Vol. 46. No. 5. pp. 317-325.
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TY - JOUR
DO - 10.1134/S1070328420050048
UR - https://doi.org/10.1134/S1070328420050048
TI - Iron(II) and Cobalt(II) Complexes with 2,6-Bis(1,4-Diphenyl-5-Hydroxy-1H-Pyrazol-3-yl)pyridine: Synthesis, Structures, and Spin States
T2 - Russian Journal of Coordination Chemistry/Koordinatsionnaya Khimiya
AU - Nikovskii, I A
AU - Polezhaev, A V
AU - Aleshin, D Yu
AU - Melnikova, E K
AU - Dorovatovskii, P. V.
AU - Nelyubina, Yu V
PY - 2020
DA - 2020/05/14
PB - Pleiades Publishing
SP - 317-325
IS - 5
VL - 46
SN - 1070-3284
SN - 1608-3318
ER -
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BibTex (up to 50 authors)
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@article{2020_Nikovskii,
author = {I A Nikovskii and A V Polezhaev and D Yu Aleshin and E K Melnikova and P. V. Dorovatovskii and Yu V Nelyubina},
title = {Iron(II) and Cobalt(II) Complexes with 2,6-Bis(1,4-Diphenyl-5-Hydroxy-1H-Pyrazol-3-yl)pyridine: Synthesis, Structures, and Spin States},
journal = {Russian Journal of Coordination Chemistry/Koordinatsionnaya Khimiya},
year = {2020},
volume = {46},
publisher = {Pleiades Publishing},
month = {may},
url = {https://doi.org/10.1134/S1070328420050048},
number = {5},
pages = {317--325},
doi = {10.1134/S1070328420050048}
}
Cite this
MLA
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Nikovskii, I. A., et al. “Iron(II) and Cobalt(II) Complexes with 2,6-Bis(1,4-Diphenyl-5-Hydroxy-1H-Pyrazol-3-yl)pyridine: Synthesis, Structures, and Spin States.” Russian Journal of Coordination Chemistry/Koordinatsionnaya Khimiya, vol. 46, no. 5, May. 2020, pp. 317-325. https://doi.org/10.1134/S1070328420050048.