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Studies on Sulfate Iron(II) Complex With Tris(pyrazol-1-yl)methane Exhibiting Spin Crossover in Aqueous Solutions. / Kokovkin, Vasily V.; Mironov, Igor V.; Korotaev, Evgenii V. et al.

In: ChemistrySelect, Vol. 4, No. 32, 29.08.2019, p. 9360-9366.

Research output: Contribution to journal › Article › peer-review

Harvard

Kokovkin, VV, Mironov, IV, Korotaev, EV, Shayapov, VR, Shakirova, OG & Lavrenova, LG 2019, 'Studies on Sulfate Iron(II) Complex With Tris(pyrazol-1-yl)methane Exhibiting Spin Crossover in Aqueous Solutions', ChemistrySelect, vol. 4, no. 32, pp. 9360-9366. https://doi.org/10.1002/slct.201901424

APA

Kokovkin, V. V., Mironov, I. V., Korotaev, E. V., Shayapov, V. R., Shakirova, O. G., & Lavrenova, L. G. (2019). Studies on Sulfate Iron(II) Complex With Tris(pyrazol-1-yl)methane Exhibiting Spin Crossover in Aqueous Solutions. ChemistrySelect, 4(32), 9360-9366. https://doi.org/10.1002/slct.201901424

Vancouver

Kokovkin VV, Mironov IV, Korotaev EV, Shayapov VR, Shakirova OG, Lavrenova LG. Studies on Sulfate Iron(II) Complex With Tris(pyrazol-1-yl)methane Exhibiting Spin Crossover in Aqueous Solutions. ChemistrySelect. 2019 Aug 29;4(32):9360-9366. doi: 10.1002/slct.201901424

Author

Kokovkin, Vasily V. ; Mironov, Igor V. ; Korotaev, Evgenii V. et al. / Studies on Sulfate Iron(II) Complex With Tris(pyrazol-1-yl)methane Exhibiting Spin Crossover in Aqueous Solutions. In: ChemistrySelect. 2019 ; Vol. 4, No. 32. pp. 9360-9366.

BibTeX

@article{792518f5c4804c7db47261c24d6c633d,
title = "Studies on Sulfate Iron(II) Complex With Tris(pyrazol-1-yl)methane Exhibiting Spin Crossover in Aqueous Solutions",
abstract = "Using the methods of UV-, VIS- and near-IR spectrometry, potentiometry, static magnetic susceptibility and cyclic voltammetry, an iron(II) complex with tris(pyrazol-1-yl)methane (L) having the composition of [FeL2]SO4 is studied in aqueous solution. In the solid state this compound exhibits spin crossover 1A1 ↔ 5T2. The protonation constants of L (log K1H=2.53, log K2H=1.80) and stability constants of the complex (log β(FeL2+)≈ 4, log β(FeL2 2+)=8.62) at t = 25°C, I=0.05 M have been determined. The studies on μeff(T) of [FeL2]SO4 in solution in the temperature range from 280 to 355 K have shown that the value of μeff exhibits an increase with increasing temperature. This indicates that with increasing temperature a transition occurs from the low spin (LS) state of the complex to the high spin (HS) state thereof.",
keywords = "cyclic voltammetry, iron, protonation, spin crossover, water",
author = "Kokovkin, {Vasily V.} and Mironov, {Igor V.} and Korotaev, {Evgenii V.} and Shayapov, {Vladimir R.} and Shakirova, {Olga G.} and Lavrenova, {Ludmila G.}",
year = "2019",
month = aug,
day = "29",
doi = "10.1002/slct.201901424",
language = "English",
volume = "4",
pages = "9360--9366",
journal = "ChemistrySelect",
issn = "2365-6549",
publisher = "Wiley-Blackwell",
number = "32",

}

RIS

TY - JOUR

T1 - Studies on Sulfate Iron(II) Complex With Tris(pyrazol-1-yl)methane Exhibiting Spin Crossover in Aqueous Solutions

AU - Kokovkin, Vasily V.

AU - Mironov, Igor V.

AU - Korotaev, Evgenii V.

AU - Shayapov, Vladimir R.

AU - Shakirova, Olga G.

AU - Lavrenova, Ludmila G.

PY - 2019/8/29

Y1 - 2019/8/29

N2 - Using the methods of UV-, VIS- and near-IR spectrometry, potentiometry, static magnetic susceptibility and cyclic voltammetry, an iron(II) complex with tris(pyrazol-1-yl)methane (L) having the composition of [FeL2]SO4 is studied in aqueous solution. In the solid state this compound exhibits spin crossover 1A1 ↔ 5T2. The protonation constants of L (log K1H=2.53, log K2H=1.80) and stability constants of the complex (log β(FeL2+)≈ 4, log β(FeL2 2+)=8.62) at t = 25°C, I=0.05 M have been determined. The studies on μeff(T) of [FeL2]SO4 in solution in the temperature range from 280 to 355 K have shown that the value of μeff exhibits an increase with increasing temperature. This indicates that with increasing temperature a transition occurs from the low spin (LS) state of the complex to the high spin (HS) state thereof.

AB - Using the methods of UV-, VIS- and near-IR spectrometry, potentiometry, static magnetic susceptibility and cyclic voltammetry, an iron(II) complex with tris(pyrazol-1-yl)methane (L) having the composition of [FeL2]SO4 is studied in aqueous solution. In the solid state this compound exhibits spin crossover 1A1 ↔ 5T2. The protonation constants of L (log K1H=2.53, log K2H=1.80) and stability constants of the complex (log β(FeL2+)≈ 4, log β(FeL2 2+)=8.62) at t = 25°C, I=0.05 M have been determined. The studies on μeff(T) of [FeL2]SO4 in solution in the temperature range from 280 to 355 K have shown that the value of μeff exhibits an increase with increasing temperature. This indicates that with increasing temperature a transition occurs from the low spin (LS) state of the complex to the high spin (HS) state thereof.

KW - cyclic voltammetry

KW - iron

KW - protonation

KW - spin crossover

KW - water

UR - http://www.scopus.com/inward/record.url?scp=85071609772&partnerID=8YFLogxK

U2 - 10.1002/slct.201901424

DO - 10.1002/slct.201901424

M3 - Article

AN - SCOPUS:85071609772

VL - 4

SP - 9360

EP - 9366

JO - ChemistrySelect

JF - ChemistrySelect

SN - 2365-6549

IS - 32

ER -

ID: 21488422