Syntheses, structures, and magnetic properties of manganese-lanthanide hexanuclear complexes

Takuya Shiga; Norihisa Hoshino; Motohiro Nakano; Hiroyuki Nojiri; Hiroki Oshio

doi:10.1016/j.ica.2008.03.096

Syntheses, structures, and magnetic properties of manganese-lanthanide hexanuclear complexes

Takuya Shiga, Norihisa Hoshino, Motohiro Nakano, Hiroyuki Nojiri, Hiroki Oshio

IMR - Institute for Materials Research (institute affiliation only)

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

31 Citations (Scopus)

Abstract

Reactions of manganese acetate and lanthanide acetate with Schiff-base ligands (H₃beemp = 2,6-bis[((2-(2-hydroxyethoxy)ethyl)imino)methyl]-4-methylphenol) yielded hexanuclear clusters of [Mn₄^III Ln₂^III(μ₃-O)₂(Hbeemp)₂(OAc)₈(μ₃-OMe)₂(H₂O)₂] · C₈H₁₇OH (Ln = Gd, Tb, and Y for 1, 2, and 3, respectively). Magnetic susceptibility measurements revealed that the mixed spin systems of 1 and 2 showed ferrimagnetic behavior, while antiferromagnetic interactions were operative among Mn³⁺ ions in 3. Ac magnetic susceptibility measurements for 2 showed frequency dependent in- and out-of-phase signals, confirming slow magnetic relaxation of spin reorientations.

Original language	English
Pages (from-to)	4113-4117
Number of pages	5
Journal	Inorganica Chimica Acta
Volume	361
Issue number	14-15
DOIs	https://doi.org/10.1016/j.ica.2008.03.096
Publication status	Published - 2008 Oct 1

Keywords

Lanthanide
Magnetism
Manganese
Schiff-base

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title = "Syntheses, structures, and magnetic properties of manganese-lanthanide hexanuclear complexes",

abstract = "Reactions of manganese acetate and lanthanide acetate with Schiff-base ligands (H3beemp = 2,6-bis[((2-(2-hydroxyethoxy)ethyl)imino)methyl]-4-methylphenol) yielded hexanuclear clusters of [Mn4III Ln2III(μ3-O)2(Hbeemp)2(OAc)8(μ3-OMe)2(H2O)2] · C8H17OH (Ln = Gd, Tb, and Y for 1, 2, and 3, respectively). Magnetic susceptibility measurements revealed that the mixed spin systems of 1 and 2 showed ferrimagnetic behavior, while antiferromagnetic interactions were operative among Mn3+ ions in 3. Ac magnetic susceptibility measurements for 2 showed frequency dependent in- and out-of-phase signals, confirming slow magnetic relaxation of spin reorientations.",

keywords = "Lanthanide, Magnetism, Manganese, Schiff-base",

author = "Takuya Shiga and Norihisa Hoshino and Motohiro Nakano and Hiroyuki Nojiri and Hiroki Oshio",

note = "Funding Information: This work was supported by the TARA projects from the University of Tsukuba, and by a Grant-in-Aid for Scientific Research from the Ministry of Education, Culture, Sports, Science and Technology, Japan. ",

year = "2008",

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doi = "10.1016/j.ica.2008.03.096",

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T1 - Syntheses, structures, and magnetic properties of manganese-lanthanide hexanuclear complexes

AU - Shiga, Takuya

AU - Hoshino, Norihisa

AU - Nakano, Motohiro

AU - Nojiri, Hiroyuki

AU - Oshio, Hiroki

N1 - Funding Information: This work was supported by the TARA projects from the University of Tsukuba, and by a Grant-in-Aid for Scientific Research from the Ministry of Education, Culture, Sports, Science and Technology, Japan.

PY - 2008/10/1

Y1 - 2008/10/1

N2 - Reactions of manganese acetate and lanthanide acetate with Schiff-base ligands (H3beemp = 2,6-bis[((2-(2-hydroxyethoxy)ethyl)imino)methyl]-4-methylphenol) yielded hexanuclear clusters of [Mn4III Ln2III(μ3-O)2(Hbeemp)2(OAc)8(μ3-OMe)2(H2O)2] · C8H17OH (Ln = Gd, Tb, and Y for 1, 2, and 3, respectively). Magnetic susceptibility measurements revealed that the mixed spin systems of 1 and 2 showed ferrimagnetic behavior, while antiferromagnetic interactions were operative among Mn3+ ions in 3. Ac magnetic susceptibility measurements for 2 showed frequency dependent in- and out-of-phase signals, confirming slow magnetic relaxation of spin reorientations.

AB - Reactions of manganese acetate and lanthanide acetate with Schiff-base ligands (H3beemp = 2,6-bis[((2-(2-hydroxyethoxy)ethyl)imino)methyl]-4-methylphenol) yielded hexanuclear clusters of [Mn4III Ln2III(μ3-O)2(Hbeemp)2(OAc)8(μ3-OMe)2(H2O)2] · C8H17OH (Ln = Gd, Tb, and Y for 1, 2, and 3, respectively). Magnetic susceptibility measurements revealed that the mixed spin systems of 1 and 2 showed ferrimagnetic behavior, while antiferromagnetic interactions were operative among Mn3+ ions in 3. Ac magnetic susceptibility measurements for 2 showed frequency dependent in- and out-of-phase signals, confirming slow magnetic relaxation of spin reorientations.

KW - Lanthanide

KW - Magnetism

KW - Manganese

KW - Schiff-base

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DO - 10.1016/j.ica.2008.03.096

M3 - Article

AN - SCOPUS:49549122692

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VL - 361

SP - 4113

EP - 4117

JO - Inorganica Chimica Acta

JF - Inorganica Chimica Acta

IS - 14-15

ER -

Syntheses, structures, and magnetic properties of manganese-lanthanide hexanuclear complexes

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Keywords

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