Synthesis, structure, and magnetic properties of a tetradecanuclear manganese complex

Siang Hua Huang; Siang Yu Jhan; Chen I. Yang; Hui-Lien Tsai

doi:10.1016/j.poly.2013.05.002

Synthesis, structure, and magnetic properties of a tetradecanuclear manganese complex

Siang Hua Huang, Siang Yu Jhan, Chen I. Yang, Hui-Lien Tsai

Department of Chemistry

Research output: Contribution to journal › Article

4 Citations (Scopus)

Abstract

A new [Mn₁₄(μ₄-O)₄(μ₃-OH) ₄(L)₄(O₂CPh)₁₄(OMe) ₂]·2CH₂Cl₂ (1·2CH ₂Cl₂) cluster, where H₂L = N-salicylidene-o- aminophenol, was synthesized by reacting the [Mn₆O₂(O ₂CPh)₁₀(DMF)₄] precursor with tridentate ligands. The structure of the tetradecanuclear complex features a [Mn ^II₆Mn^III₈(μ₄-O) ₄(μ₃-OH)₄]²⁴⁺ core which is comprised of a non-planar rod-like [Mn^II₂Mn ^III₆(μ₄-O)₄(μ₃-OH) ₂]¹²⁺ unit, with both sides bonded in the form of a [Mn^II₂Mn^III(μ₃-OH)]⁶⁺ triangle. Direct current (dc) magnetic susceptibility measurements of the complex indicate the existence of intramolecular antiferromagnetic interactions between the metal ions, with a ground state of S = 2. The complex exhibits frequency-dependent out-of-phase signals in alternating current (ac) magnetic susceptibility measurements, suggesting slow magnetic relaxations.

Original language	English
Pages (from-to)	245-251
Number of pages	7
Journal	Polyhedron
Volume	66
DOIs	https://doi.org/10.1016/j.poly.2013.05.002
Publication status	Published - 2013 May 27

All Science Journal Classification (ASJC) codes

Inorganic Chemistry
Materials Chemistry
Physical and Theoretical Chemistry

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10.1016/j.poly.2013.05.002

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Huang, S. H., Jhan, S. Y., Yang, C. I., & Tsai, H-L. (2013). Synthesis, structure, and magnetic properties of a tetradecanuclear manganese complex. Polyhedron, 66, 245-251. https://doi.org/10.1016/j.poly.2013.05.002

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title = "Synthesis, structure, and magnetic properties of a tetradecanuclear manganese complex",

abstract = "A new [Mn14(μ4-O)4(μ3-OH) 4(L)4(O2CPh)14(OMe) 2]·2CH2Cl2 (1·2CH 2Cl2) cluster, where H2L = N-salicylidene-o- aminophenol, was synthesized by reacting the [Mn6O2(O 2CPh)10(DMF)4] precursor with tridentate ligands. The structure of the tetradecanuclear complex features a [Mn II6MnIII8(μ4-O) 4(μ3-OH)4]24+ core which is comprised of a non-planar rod-like [MnII2Mn III6(μ4-O)4(μ3-OH) 2]12+ unit, with both sides bonded in the form of a [MnII2MnIII(μ3-OH)]6+ triangle. Direct current (dc) magnetic susceptibility measurements of the complex indicate the existence of intramolecular antiferromagnetic interactions between the metal ions, with a ground state of S = 2. The complex exhibits frequency-dependent out-of-phase signals in alternating current (ac) magnetic susceptibility measurements, suggesting slow magnetic relaxations.",

author = "Huang, {Siang Hua} and Jhan, {Siang Yu} and Yang, {Chen I.} and Hui-Lien Tsai",

year = "2013",

month = may,

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journal = "Polyhedron",

issn = "0277-5387",

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T1 - Synthesis, structure, and magnetic properties of a tetradecanuclear manganese complex

AU - Huang, Siang Hua

AU - Jhan, Siang Yu

AU - Yang, Chen I.

AU - Tsai, Hui-Lien

PY - 2013/5/27

Y1 - 2013/5/27

N2 - A new [Mn14(μ4-O)4(μ3-OH) 4(L)4(O2CPh)14(OMe) 2]·2CH2Cl2 (1·2CH 2Cl2) cluster, where H2L = N-salicylidene-o- aminophenol, was synthesized by reacting the [Mn6O2(O 2CPh)10(DMF)4] precursor with tridentate ligands. The structure of the tetradecanuclear complex features a [Mn II6MnIII8(μ4-O) 4(μ3-OH)4]24+ core which is comprised of a non-planar rod-like [MnII2Mn III6(μ4-O)4(μ3-OH) 2]12+ unit, with both sides bonded in the form of a [MnII2MnIII(μ3-OH)]6+ triangle. Direct current (dc) magnetic susceptibility measurements of the complex indicate the existence of intramolecular antiferromagnetic interactions between the metal ions, with a ground state of S = 2. The complex exhibits frequency-dependent out-of-phase signals in alternating current (ac) magnetic susceptibility measurements, suggesting slow magnetic relaxations.

AB - A new [Mn14(μ4-O)4(μ3-OH) 4(L)4(O2CPh)14(OMe) 2]·2CH2Cl2 (1·2CH 2Cl2) cluster, where H2L = N-salicylidene-o- aminophenol, was synthesized by reacting the [Mn6O2(O 2CPh)10(DMF)4] precursor with tridentate ligands. The structure of the tetradecanuclear complex features a [Mn II6MnIII8(μ4-O) 4(μ3-OH)4]24+ core which is comprised of a non-planar rod-like [MnII2Mn III6(μ4-O)4(μ3-OH) 2]12+ unit, with both sides bonded in the form of a [MnII2MnIII(μ3-OH)]6+ triangle. Direct current (dc) magnetic susceptibility measurements of the complex indicate the existence of intramolecular antiferromagnetic interactions between the metal ions, with a ground state of S = 2. The complex exhibits frequency-dependent out-of-phase signals in alternating current (ac) magnetic susceptibility measurements, suggesting slow magnetic relaxations.

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