Hydrogen-bonded 2D network structure and abrupt spin transition with thermal hysteresis of iron(III) complexes [FeIII(Him)2(3-MeOsalen)]·H2O·EtOH·X (Him = imidazole, 3-MeOsalen = N,N′-bis(3-methoxysalicylidene)ethylenediaminato, and X = PF6, AsF6, SbF6)

Keita Hanahara; Hiromasa Ono; Takeshi Fujinami; Naohide Matsumoto; Yukinari Sunatsuki

doi:10.1016/j.ica.2015.01.047

Hydrogen-bonded 2D network structure and abrupt spin transition with thermal hysteresis of iron(III) complexes [Fe^III(Him)₂(3-MeOsalen)]·H₂O·EtOH·X (Him = imidazole, 3-MeOsalen = N,N′-bis(3-methoxysalicylidene)ethylenediaminato, and X = PF₆, AsF₆, SbF₆)

Keita Hanahara, Hiromasa Ono, Takeshi Fujinami, Naohide Matsumoto, Yukinari Sunatsuki

Advanced Science Research Center

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

6 Citations (Scopus)

Abstract

Spin crossover (SCO) iron(III) complexes exhibiting thermal hysteresis, [Fe^III(Him)₂(3-MeOsalen)]·H₂O·EtOH·X (Him = imidazole, 3-MeOsalen = N,N′-bis(3-methoxysalicylidene)ethylenediaminato, and X = PF₆, AsF₆, SbF₆), were synthesized in ethanol. The Fe^III ion has an octahedral coordination geometry with N₂O₂ donor atoms of the planar tetradentate ligand (3-MeOsalen) and two nitrogen atoms of two imidazoles at the axial positions. Through H₂O and EtOH the complex-cations are assembled into a hydrogen-bonded 2D network structure and the anion X is accommodated in the void of the 2D network. The temperature dependences of the magnetic susceptibilities revealed an abrupt and two-step spin transition with thermal hysteresis for the PF₆ and AsF₆ salts.

Original language	English
Pages (from-to)	93-98
Number of pages	6
Journal	Inorganica Chimica Acta
Volume	429
DOIs	https://doi.org/10.1016/j.ica.2015.01.047
Publication status	Published - Apr 1 2015

Keywords

Hydrogen bonds
Hysteresis
Imidazole
Iron(III) complex
NO
Schiff-base ligand
Spin crossover

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Inorganic Chemistry
Materials Chemistry

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Hanahara, K., Ono, H., Fujinami, T., Matsumoto, N., & Sunatsuki, Y. (2015). Hydrogen-bonded 2D network structure and abrupt spin transition with thermal hysteresis of iron(III) complexes [Fe^III(Him)₂(3-MeOsalen)]·H₂O·EtOH·X (Him = imidazole, 3-MeOsalen = N,N′-bis(3-methoxysalicylidene)ethylenediaminato, and X = PF₆, AsF₆, SbF₆). Inorganica Chimica Acta, 429, 93-98. https://doi.org/10.1016/j.ica.2015.01.047

Hydrogen-bonded 2D network structure and abrupt spin transition with thermal hysteresis of iron(III) complexes [Fe^III(Him)₂(3-MeOsalen)]·H₂O·EtOH·X (Him = imidazole, 3-MeOsalen = N,N′-bis(3-methoxysalicylidene)ethylenediaminato, and X = PF₆, AsF₆, SbF₆). / Hanahara, Keita; Ono, Hiromasa; Fujinami, Takeshi et al.
In: Inorganica Chimica Acta, Vol. 429, 01.04.2015, p. 93-98.

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

Hanahara, K, Ono, H, Fujinami, T, Matsumoto, N & Sunatsuki, Y 2015, 'Hydrogen-bonded 2D network structure and abrupt spin transition with thermal hysteresis of iron(III) complexes [Fe^III(Him)₂(3-MeOsalen)]·H₂O·EtOH·X (Him = imidazole, 3-MeOsalen = N,N′-bis(3-methoxysalicylidene)ethylenediaminato, and X = PF₆, AsF₆, SbF₆)', Inorganica Chimica Acta, vol. 429, pp. 93-98. https://doi.org/10.1016/j.ica.2015.01.047

Hanahara K, Ono H, Fujinami T, Matsumoto N, Sunatsuki Y. Hydrogen-bonded 2D network structure and abrupt spin transition with thermal hysteresis of iron(III) complexes [Fe^III(Him)₂(3-MeOsalen)]·H₂O·EtOH·X (Him = imidazole, 3-MeOsalen = N,N′-bis(3-methoxysalicylidene)ethylenediaminato, and X = PF₆, AsF₆, SbF₆). Inorganica Chimica Acta. 2015 Apr 1;429:93-98. doi: 10.1016/j.ica.2015.01.047

Hanahara, Keita ; Ono, Hiromasa ; Fujinami, Takeshi et al. / Hydrogen-bonded 2D network structure and abrupt spin transition with thermal hysteresis of iron(III) complexes [Fe^III(Him)₂(3-MeOsalen)]·H₂O·EtOH·X (Him = imidazole, 3-MeOsalen = N,N′-bis(3-methoxysalicylidene)ethylenediaminato, and X = PF₆, AsF₆, SbF₆). In: Inorganica Chimica Acta. 2015 ; Vol. 429. pp. 93-98.

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title = "Hydrogen-bonded 2D network structure and abrupt spin transition with thermal hysteresis of iron(III) complexes [FeIII(Him)2(3-MeOsalen)]·H2O·EtOH·X (Him = imidazole, 3-MeOsalen = N,N′-bis(3-methoxysalicylidene)ethylenediaminato, and X = PF6, AsF6, SbF6)",

abstract = "Spin crossover (SCO) iron(III) complexes exhibiting thermal hysteresis, [FeIII(Him)2(3-MeOsalen)]·H2O·EtOH·X (Him = imidazole, 3-MeOsalen = N,N′-bis(3-methoxysalicylidene)ethylenediaminato, and X = PF6, AsF6, SbF6), were synthesized in ethanol. The FeIII ion has an octahedral coordination geometry with N2O2 donor atoms of the planar tetradentate ligand (3-MeOsalen) and two nitrogen atoms of two imidazoles at the axial positions. Through H2O and EtOH the complex-cations are assembled into a hydrogen-bonded 2D network structure and the anion X is accommodated in the void of the 2D network. The temperature dependences of the magnetic susceptibilities revealed an abrupt and two-step spin transition with thermal hysteresis for the PF6 and AsF6 salts.",

keywords = "Hydrogen bonds, Hysteresis, Imidazole, Iron(III) complex, NO, Schiff-base ligand, Spin crossover",

author = "Keita Hanahara and Hiromasa Ono and Takeshi Fujinami and Naohide Matsumoto and Yukinari Sunatsuki",

note = "Funding Information: T. Fujinami was supported by the Research Fellowship for Young Scientists of the Japan Society for the Promotion of Science, KAKENHI 00248556. Publisher Copyright: {\textcopyright} 2015 Elsevier B.V. All rights reserved.",

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AU - Hanahara, Keita

AU - Ono, Hiromasa

AU - Fujinami, Takeshi

AU - Matsumoto, Naohide

AU - Sunatsuki, Yukinari

N1 - Funding Information: T. Fujinami was supported by the Research Fellowship for Young Scientists of the Japan Society for the Promotion of Science, KAKENHI 00248556. Publisher Copyright: © 2015 Elsevier B.V. All rights reserved.

PY - 2015/4/1

Y1 - 2015/4/1

N2 - Spin crossover (SCO) iron(III) complexes exhibiting thermal hysteresis, [FeIII(Him)2(3-MeOsalen)]·H2O·EtOH·X (Him = imidazole, 3-MeOsalen = N,N′-bis(3-methoxysalicylidene)ethylenediaminato, and X = PF6, AsF6, SbF6), were synthesized in ethanol. The FeIII ion has an octahedral coordination geometry with N2O2 donor atoms of the planar tetradentate ligand (3-MeOsalen) and two nitrogen atoms of two imidazoles at the axial positions. Through H2O and EtOH the complex-cations are assembled into a hydrogen-bonded 2D network structure and the anion X is accommodated in the void of the 2D network. The temperature dependences of the magnetic susceptibilities revealed an abrupt and two-step spin transition with thermal hysteresis for the PF6 and AsF6 salts.

AB - Spin crossover (SCO) iron(III) complexes exhibiting thermal hysteresis, [FeIII(Him)2(3-MeOsalen)]·H2O·EtOH·X (Him = imidazole, 3-MeOsalen = N,N′-bis(3-methoxysalicylidene)ethylenediaminato, and X = PF6, AsF6, SbF6), were synthesized in ethanol. The FeIII ion has an octahedral coordination geometry with N2O2 donor atoms of the planar tetradentate ligand (3-MeOsalen) and two nitrogen atoms of two imidazoles at the axial positions. Through H2O and EtOH the complex-cations are assembled into a hydrogen-bonded 2D network structure and the anion X is accommodated in the void of the 2D network. The temperature dependences of the magnetic susceptibilities revealed an abrupt and two-step spin transition with thermal hysteresis for the PF6 and AsF6 salts.

KW - Hydrogen bonds

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KW - Imidazole

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KW - NO

KW - Schiff-base ligand

KW - Spin crossover

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