Structure and Magnetic Properties of Lanthanide Compounds with the 3,6-Di(Tert-Butyl)-1,2-Benzoquinone Radical Anion

G. V. Romanenko; S. V. Fokin; G. A. Letyagin; A. S. Bogomyakov; V. I. Ovcharenko

doi:10.1134/S0022476619070102

Structure and Magnetic Properties of Lanthanide Compounds with the 3,6-Di(Tert-Butyl)-1,2-Benzoquinone Radical Anion

G. V. Romanenko, S. V. Fokin, G. A. Letyagin, A. S. Bogomyakov, V. I. Ovcharenko

Результат исследования: Научные публикации в периодических изданиях › статья › рецензирование

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Аннотация

Molecular and crystal structures of mononuclear lanthanide (Ln) compounds with the 3,6-di(tert-butyl)-1,2-benzoquinone (SQ) radical anion of the composition [Ln(SQ)₃(THF)₂] (Ln = Pr, Nd, Eu, Tb, Dy), [Ln(SQ)₃(Q)], (Ln = Gd, Eu; Q – 3,6-di(tert-butyl)-1,2-benzoquinone), [La(SQ)₃(Q)(THF)], [Ce^IV(SQ)₄], [NaLn(SQ)₄(THF)₃]·0.25C₆H₁₄ (Ln = Gd, Tb), [NaLn(SQ)₄(Q)(THF)] (Ln = La, Pr) are determined. The study of the magnetic properties of isolated heterospin solid phases reveals that intramolecular antiferromagnetic exchange interactions between unpaired electrons of SQ moieties dominate in them. At T≤2 K [Dy(SQ)₃(THF)₂] exhibits the properties typical of a metamagnetic compound.

Язык оригинала	английский
Страницы (с-по)	1091-1100
Число страниц	10
Журнал	Journal of Structural Chemistry
Том	60
Номер выпуска	7
DOI	https://doi.org/10.1134/S0022476619070102
Состояние	Опубликовано - 1 июл. 2019

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10.1134/S0022476619070102

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@article{4215ef0cc2834c2ba77d14b31254fde0,

title = "Structure and Magnetic Properties of Lanthanide Compounds with the 3,6-Di(Tert-Butyl)-1,2-Benzoquinone Radical Anion",

abstract = "Molecular and crystal structures of mononuclear lanthanide (Ln) compounds with the 3,6-di(tert-butyl)-1,2-benzoquinone (SQ) radical anion of the composition [Ln(SQ)3(THF)2] (Ln = Pr, Nd, Eu, Tb, Dy), [Ln(SQ)3(Q)], (Ln = Gd, Eu; Q – 3,6-di(tert-butyl)-1,2-benzoquinone), [La(SQ)3(Q)(THF)], [CeIV(SQ)4], [NaLn(SQ)4(THF)3]·0.25C6H14 (Ln = Gd, Tb), [NaLn(SQ)4(Q)(THF)] (Ln = La, Pr) are determined. The study of the magnetic properties of isolated heterospin solid phases reveals that intramolecular antiferromagnetic exchange interactions between unpaired electrons of SQ moieties dominate in them. At T≤2 K [Dy(SQ)3(THF)2] exhibits the properties typical of a metamagnetic compound.",

keywords = "crystal structure, lanthanides, magnetic properties, mixed-metal compounds, mononuclear compounds, o-semiquinolates, sodium, CATECHOLATE, TRANSITION-METAL-COMPLEXES, LIGANDS, EPR, VALENCE TAUTOMERISM",

author = "Romanenko, {G. V.} and Fokin, {S. V.} and Letyagin, {G. A.} and Bogomyakov, {A. S.} and Ovcharenko, {V. I.}",

year = "2019",

month = jul,

day = "1",

doi = "10.1134/S0022476619070102",

language = "English",

volume = "60",

pages = "1091--1100",

journal = "Journal of Structural Chemistry",

issn = "0022-4766",

publisher = "Springer GmbH & Co, Auslieferungs-Gesellschaf",

number = "7",

}

Structure and Magnetic Properties of Lanthanide Compounds with the 3,6-Di(Tert-Butyl)-1,2-Benzoquinone Radical Anion. / Romanenko, G. V.; Fokin, S. V.; Letyagin, G. A. и др.

В: Journal of Structural Chemistry, Том 60, № 7, 01.07.2019, стр. 1091-1100.

Результат исследования: Научные публикации в периодических изданиях › статья › рецензирование

TY - JOUR

T1 - Structure and Magnetic Properties of Lanthanide Compounds with the 3,6-Di(Tert-Butyl)-1,2-Benzoquinone Radical Anion

AU - Romanenko, G. V.

AU - Fokin, S. V.

AU - Letyagin, G. A.

AU - Bogomyakov, A. S.

AU - Ovcharenko, V. I.

PY - 2019/7/1

Y1 - 2019/7/1

N2 - Molecular and crystal structures of mononuclear lanthanide (Ln) compounds with the 3,6-di(tert-butyl)-1,2-benzoquinone (SQ) radical anion of the composition [Ln(SQ)3(THF)2] (Ln = Pr, Nd, Eu, Tb, Dy), [Ln(SQ)3(Q)], (Ln = Gd, Eu; Q – 3,6-di(tert-butyl)-1,2-benzoquinone), [La(SQ)3(Q)(THF)], [CeIV(SQ)4], [NaLn(SQ)4(THF)3]·0.25C6H14 (Ln = Gd, Tb), [NaLn(SQ)4(Q)(THF)] (Ln = La, Pr) are determined. The study of the magnetic properties of isolated heterospin solid phases reveals that intramolecular antiferromagnetic exchange interactions between unpaired electrons of SQ moieties dominate in them. At T≤2 K [Dy(SQ)3(THF)2] exhibits the properties typical of a metamagnetic compound.

AB - Molecular and crystal structures of mononuclear lanthanide (Ln) compounds with the 3,6-di(tert-butyl)-1,2-benzoquinone (SQ) radical anion of the composition [Ln(SQ)3(THF)2] (Ln = Pr, Nd, Eu, Tb, Dy), [Ln(SQ)3(Q)], (Ln = Gd, Eu; Q – 3,6-di(tert-butyl)-1,2-benzoquinone), [La(SQ)3(Q)(THF)], [CeIV(SQ)4], [NaLn(SQ)4(THF)3]·0.25C6H14 (Ln = Gd, Tb), [NaLn(SQ)4(Q)(THF)] (Ln = La, Pr) are determined. The study of the magnetic properties of isolated heterospin solid phases reveals that intramolecular antiferromagnetic exchange interactions between unpaired electrons of SQ moieties dominate in them. At T≤2 K [Dy(SQ)3(THF)2] exhibits the properties typical of a metamagnetic compound.

KW - crystal structure

KW - lanthanides

KW - magnetic properties

KW - mixed-metal compounds

KW - mononuclear compounds

KW - o-semiquinolates

KW - sodium

KW - CATECHOLATE

KW - TRANSITION-METAL-COMPLEXES

KW - LIGANDS

KW - EPR

KW - VALENCE TAUTOMERISM

UR - http://www.scopus.com/inward/record.url?scp=85070185741&partnerID=8YFLogxK

U2 - 10.1134/S0022476619070102

DO - 10.1134/S0022476619070102

M3 - Article

AN - SCOPUS:85070185741

VL - 60

SP - 1091

EP - 1100

JO - Journal of Structural Chemistry

JF - Journal of Structural Chemistry

SN - 0022-4766

IS - 7

ER -