A monomeric iron(III) compound containing N-(2-pyridylmethyl)iminodiisopropanolate and thiocyanato ligands: structure, magnetic and catalytic properties

Hye Jin Shin; Sojeong Lee; Cheal Kim; Kil Sik Min

doi:10.1016/j.ica.2022.120877

A monomeric iron(III) compound containing N-(2-pyridylmethyl)iminodiisopropanolate and thiocyanato ligands: structure, magnetic and catalytic properties

Hye Jin Shin, Sojeong Lee, Cheal Kim, Kil Sik Min

Department of Chemical Science Education

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

2 Scopus citations

Abstract

The reaction of Fe(NO₃)₃·9H₂O, sodium thiocyanate, and N-(2-pyridylmethyl)iminodiisopropanol (H₂pmidip) in methanol/water mixture solution leads to the formation of a mononuclear iron(III) compound of [Fe^III(Hpmidip)(NCS)₂] (1). The iron ion of 1 has a distorted octahedral structure that is bonded by two thiocyanate anions and one Hpmidip^- ligand. One of the two hydroxyl moieties in H₂pmidip is deprotonated, while the other is involved in hydrogen bonding interactions to form a dimeric structure. The magnetic properties of 1 reveal a very weak antiferromagnetic interaction within the dimer with parameters J = -0.75 cm⁻¹ and g = 2.068. 1 showed that the catalytic oxidations for a variety of olefins are selective and effective with moderate yields using meta-chloroperoxybenzoic acid (m-CPBA). For the identification of the mechanism for olefin epoxidation in 1, the O[sbnd]O bond cleavage of peroxyphenylacetic acid (PPAA) and competitive experiments of cis- and trans-2-octene have been investigated.

Original language	English
Article number	120877
Journal	Inorganica Chimica Acta
Volume	535
DOIs	https://doi.org/10.1016/j.ica.2022.120877
State	Published - 24 May 2022

Keywords

Catalysis
Hydrogen bond
Iron compound
Magnetism
Tetradentate
Thiocyanate

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title = "A monomeric iron(III) compound containing N-(2-pyridylmethyl)iminodiisopropanolate and thiocyanato ligands: structure, magnetic and catalytic properties",

abstract = "The reaction of Fe(NO3)3·9H2O, sodium thiocyanate, and N-(2-pyridylmethyl)iminodiisopropanol (H2pmidip) in methanol/water mixture solution leads to the formation of a mononuclear iron(III) compound of [FeIII(Hpmidip)(NCS)2] (1). The iron ion of 1 has a distorted octahedral structure that is bonded by two thiocyanate anions and one Hpmidip- ligand. One of the two hydroxyl moieties in H2pmidip is deprotonated, while the other is involved in hydrogen bonding interactions to form a dimeric structure. The magnetic properties of 1 reveal a very weak antiferromagnetic interaction within the dimer with parameters J = -0.75 cm−1 and g = 2.068. 1 showed that the catalytic oxidations for a variety of olefins are selective and effective with moderate yields using meta-chloroperoxybenzoic acid (m-CPBA). For the identification of the mechanism for olefin epoxidation in 1, the O[sbnd]O bond cleavage of peroxyphenylacetic acid (PPAA) and competitive experiments of cis- and trans-2-octene have been investigated.",

keywords = "Catalysis, Hydrogen bond, Iron compound, Magnetism, Tetradentate, Thiocyanate",

author = "Shin, {Hye Jin} and Sojeong Lee and Cheal Kim and Min, {Kil Sik}",

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year = "2022",

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doi = "10.1016/j.ica.2022.120877",

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T1 - A monomeric iron(III) compound containing N-(2-pyridylmethyl)iminodiisopropanolate and thiocyanato ligands

T2 - structure, magnetic and catalytic properties

AU - Shin, Hye Jin

AU - Lee, Sojeong

AU - Kim, Cheal

AU - Min, Kil Sik

PY - 2022/5/24

Y1 - 2022/5/24

N2 - The reaction of Fe(NO3)3·9H2O, sodium thiocyanate, and N-(2-pyridylmethyl)iminodiisopropanol (H2pmidip) in methanol/water mixture solution leads to the formation of a mononuclear iron(III) compound of [FeIII(Hpmidip)(NCS)2] (1). The iron ion of 1 has a distorted octahedral structure that is bonded by two thiocyanate anions and one Hpmidip- ligand. One of the two hydroxyl moieties in H2pmidip is deprotonated, while the other is involved in hydrogen bonding interactions to form a dimeric structure. The magnetic properties of 1 reveal a very weak antiferromagnetic interaction within the dimer with parameters J = -0.75 cm−1 and g = 2.068. 1 showed that the catalytic oxidations for a variety of olefins are selective and effective with moderate yields using meta-chloroperoxybenzoic acid (m-CPBA). For the identification of the mechanism for olefin epoxidation in 1, the O[sbnd]O bond cleavage of peroxyphenylacetic acid (PPAA) and competitive experiments of cis- and trans-2-octene have been investigated.

AB - The reaction of Fe(NO3)3·9H2O, sodium thiocyanate, and N-(2-pyridylmethyl)iminodiisopropanol (H2pmidip) in methanol/water mixture solution leads to the formation of a mononuclear iron(III) compound of [FeIII(Hpmidip)(NCS)2] (1). The iron ion of 1 has a distorted octahedral structure that is bonded by two thiocyanate anions and one Hpmidip- ligand. One of the two hydroxyl moieties in H2pmidip is deprotonated, while the other is involved in hydrogen bonding interactions to form a dimeric structure. The magnetic properties of 1 reveal a very weak antiferromagnetic interaction within the dimer with parameters J = -0.75 cm−1 and g = 2.068. 1 showed that the catalytic oxidations for a variety of olefins are selective and effective with moderate yields using meta-chloroperoxybenzoic acid (m-CPBA). For the identification of the mechanism for olefin epoxidation in 1, the O[sbnd]O bond cleavage of peroxyphenylacetic acid (PPAA) and competitive experiments of cis- and trans-2-octene have been investigated.

KW - Catalysis

KW - Hydrogen bond

KW - Iron compound

KW - Magnetism

KW - Tetradentate

KW - Thiocyanate

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SN - 0020-1693

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JO - Inorganica Chimica Acta

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A monomeric iron(III) compound containing N-(2-pyridylmethyl)iminodiisopropanolate and thiocyanato ligands: structure, magnetic and catalytic properties

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