Cyanide-bridged feiii-mniii bimetallic complexes with dimeric and chain structures constructed from a newly made mer-fe tricyanide

structures and magnetic properties

Jae Il Kim, Hyun Young Kwak, Jung Hee Yoon, Dae Won Ryu, In Young Yoo, Namgeun Yang, Beong Ki Cho, Je Geun Park, Hyosug Lee, Chang Seop Hong

Research output: Contribution to journalArticle

68 Citations (Scopus)

Abstract

Four cyanide-linked FeIII-MnIII complexes were prepared by reacting Mn Schiff bases with a new molecular precursor (PPh 4)[Fe(qcq)(CN)3] [1; qcq ) 8-(2-quinolinecarboxamido) quinoline anion]. They include a dimeric molecule, [Fe(qcq)(CN) 3][Mn(3-MeOsalen)(H2O)] · 2H2O [2· 2H2O; 3-MeOsalen ) N,N′-ethylenebis(3- methoxysalicylideneiminato) dianion], and three 1D zigzag chains, [Fe(qcq)(CN)3][Mn(5-Clsalen)] · 3H2O [3 · 2MeOH; 5-Clsalen ) N,N'- ethylenebis(5-chlorosalicylideneiminato) dianion], [Fe(qcq)(CN)3][Mn(5-Brsalen)] · 2MeOH [4 · 2MeOH; 5-Brsalen ) N,N′-ethylenebis(5-bromosalicylideneiminato) dianion], and Fe(qcq)(CN)3][Mn(salen)] · MeCN ·H2O [5 · MeCN; salen ) N,N′-ethylenebis(salicylideneiminato) dianion]. The complexes consist of extensive hydrogen bonding and π-π stacking interactions, generating multidimensional structures. Magnetic studies demonstrate that antiferromagnetic couplings are operative between FeIII and MnIII centers bridged by cyanide ligands. On the basis of an infinite chain model, magnetic coupling parameters of 2-5 range from -9.3 to -14.1 cm -1. A long-range order is observed at 2.3 K for 3 and 2.2 K for 4, while compound 5 shows spin glass behavior possibly coupled with magnetic ordering.

Original languageEnglish
Pages (from-to)2956-2966
Number of pages11
JournalInorganic Chemistry
Volume48
Issue number7
DOIs
Publication statusPublished - 2009 Apr 17

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Cyanides
cyanides
Magnetic properties
magnetic properties
Magnetic couplings
Spin glass
Schiff Bases
quinoline
Hydrogen Bonding
spin glass
imines
Glass
Anions
Magnetization
Hydrogen bonds
anions
Ligands
ligands
Molecules
hydrogen

ASJC Scopus subject areas

  • Inorganic Chemistry
  • Physical and Theoretical Chemistry

Cite this

Cyanide-bridged feiii-mniii bimetallic complexes with dimeric and chain structures constructed from a newly made mer-fe tricyanide : structures and magnetic properties. / Kim, Jae Il; Kwak, Hyun Young; Yoon, Jung Hee; Ryu, Dae Won; Yoo, In Young; Yang, Namgeun; Cho, Beong Ki; Park, Je Geun; Lee, Hyosug; Hong, Chang Seop.

In: Inorganic Chemistry, Vol. 48, No. 7, 17.04.2009, p. 2956-2966.

Research output: Contribution to journalArticle

Kim, Jae Il ; Kwak, Hyun Young ; Yoon, Jung Hee ; Ryu, Dae Won ; Yoo, In Young ; Yang, Namgeun ; Cho, Beong Ki ; Park, Je Geun ; Lee, Hyosug ; Hong, Chang Seop. / Cyanide-bridged feiii-mniii bimetallic complexes with dimeric and chain structures constructed from a newly made mer-fe tricyanide : structures and magnetic properties. In: Inorganic Chemistry. 2009 ; Vol. 48, No. 7. pp. 2956-2966.
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title = "Cyanide-bridged feiii-mniii bimetallic complexes with dimeric and chain structures constructed from a newly made mer-fe tricyanide: structures and magnetic properties",
abstract = "Four cyanide-linked FeIII-MnIII complexes were prepared by reacting Mn Schiff bases with a new molecular precursor (PPh 4)[Fe(qcq)(CN)3] [1; qcq ) 8-(2-quinolinecarboxamido) quinoline anion]. They include a dimeric molecule, [Fe(qcq)(CN) 3][Mn(3-MeOsalen)(H2O)] · 2H2O [2· 2H2O; 3-MeOsalen ) N,N′-ethylenebis(3- methoxysalicylideneiminato) dianion], and three 1D zigzag chains, [Fe(qcq)(CN)3][Mn(5-Clsalen)] · 3H2O [3 · 2MeOH; 5-Clsalen ) N,N'- ethylenebis(5-chlorosalicylideneiminato) dianion], [Fe(qcq)(CN)3][Mn(5-Brsalen)] · 2MeOH [4 · 2MeOH; 5-Brsalen ) N,N′-ethylenebis(5-bromosalicylideneiminato) dianion], and Fe(qcq)(CN)3][Mn(salen)] · MeCN ·H2O [5 · MeCN; salen ) N,N′-ethylenebis(salicylideneiminato) dianion]. The complexes consist of extensive hydrogen bonding and π-π stacking interactions, generating multidimensional structures. Magnetic studies demonstrate that antiferromagnetic couplings are operative between FeIII and MnIII centers bridged by cyanide ligands. On the basis of an infinite chain model, magnetic coupling parameters of 2-5 range from -9.3 to -14.1 cm -1. A long-range order is observed at 2.3 K for 3 and 2.2 K for 4, while compound 5 shows spin glass behavior possibly coupled with magnetic ordering.",
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AU - Kim, Jae Il

AU - Kwak, Hyun Young

AU - Yoon, Jung Hee

AU - Ryu, Dae Won

AU - Yoo, In Young

AU - Yang, Namgeun

AU - Cho, Beong Ki

AU - Park, Je Geun

AU - Lee, Hyosug

AU - Hong, Chang Seop

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N2 - Four cyanide-linked FeIII-MnIII complexes were prepared by reacting Mn Schiff bases with a new molecular precursor (PPh 4)[Fe(qcq)(CN)3] [1; qcq ) 8-(2-quinolinecarboxamido) quinoline anion]. They include a dimeric molecule, [Fe(qcq)(CN) 3][Mn(3-MeOsalen)(H2O)] · 2H2O [2· 2H2O; 3-MeOsalen ) N,N′-ethylenebis(3- methoxysalicylideneiminato) dianion], and three 1D zigzag chains, [Fe(qcq)(CN)3][Mn(5-Clsalen)] · 3H2O [3 · 2MeOH; 5-Clsalen ) N,N'- ethylenebis(5-chlorosalicylideneiminato) dianion], [Fe(qcq)(CN)3][Mn(5-Brsalen)] · 2MeOH [4 · 2MeOH; 5-Brsalen ) N,N′-ethylenebis(5-bromosalicylideneiminato) dianion], and Fe(qcq)(CN)3][Mn(salen)] · MeCN ·H2O [5 · MeCN; salen ) N,N′-ethylenebis(salicylideneiminato) dianion]. The complexes consist of extensive hydrogen bonding and π-π stacking interactions, generating multidimensional structures. Magnetic studies demonstrate that antiferromagnetic couplings are operative between FeIII and MnIII centers bridged by cyanide ligands. On the basis of an infinite chain model, magnetic coupling parameters of 2-5 range from -9.3 to -14.1 cm -1. A long-range order is observed at 2.3 K for 3 and 2.2 K for 4, while compound 5 shows spin glass behavior possibly coupled with magnetic ordering.

AB - Four cyanide-linked FeIII-MnIII complexes were prepared by reacting Mn Schiff bases with a new molecular precursor (PPh 4)[Fe(qcq)(CN)3] [1; qcq ) 8-(2-quinolinecarboxamido) quinoline anion]. They include a dimeric molecule, [Fe(qcq)(CN) 3][Mn(3-MeOsalen)(H2O)] · 2H2O [2· 2H2O; 3-MeOsalen ) N,N′-ethylenebis(3- methoxysalicylideneiminato) dianion], and three 1D zigzag chains, [Fe(qcq)(CN)3][Mn(5-Clsalen)] · 3H2O [3 · 2MeOH; 5-Clsalen ) N,N'- ethylenebis(5-chlorosalicylideneiminato) dianion], [Fe(qcq)(CN)3][Mn(5-Brsalen)] · 2MeOH [4 · 2MeOH; 5-Brsalen ) N,N′-ethylenebis(5-bromosalicylideneiminato) dianion], and Fe(qcq)(CN)3][Mn(salen)] · MeCN ·H2O [5 · MeCN; salen ) N,N′-ethylenebis(salicylideneiminato) dianion]. The complexes consist of extensive hydrogen bonding and π-π stacking interactions, generating multidimensional structures. Magnetic studies demonstrate that antiferromagnetic couplings are operative between FeIII and MnIII centers bridged by cyanide ligands. On the basis of an infinite chain model, magnetic coupling parameters of 2-5 range from -9.3 to -14.1 cm -1. A long-range order is observed at 2.3 K for 3 and 2.2 K for 4, while compound 5 shows spin glass behavior possibly coupled with magnetic ordering.

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