Synthesis, structures, and magnetic properties of one-dimensional Fe-M (M = NiII, CuII) coordination polymers bridged by nitroprusside

Young Sin You, Jung Hee Yoon, Jeong Hak Lim, Hyoung Chan Kim, Chang Seop Hong

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Self-assembling [Fe(CN)5(NO)]2- and [M(L)]2+ (M = Ni, Cu; L = macrocycles) led to one-dimensional coordination polymers, [Ni(L1)][Fe(CN)5(NO)] · 2H2O (1) with parallel chains and [Cu(L2)][Fe(CN)5(NO)] · 3H2O (2) exhibiting a slanted chain structure. Compound 1 contains a planar macrocycle L1 coordinated to a slightly distorted octahedral Ni(II) ion in which the planarity of L1 gives rise to piling up chains in parallel. In contrast, a more flexible macrocyclic ligand L2 in 2 that surrounds a Cu center with a tetragonal elongation has bulky cyclohexyl groups together with pendant methyl side groups. The presence of the methyl groups on L2 in a chain makes the cyclohexyl groups in an adjacent chain tilted against the CuN4 basal plane with the methyl groups, eventually resulting in the slanted chain structure. Magnetic data demonstrate that antiferromagnetic interactions (J ≈ -0.13 cm-1) are operating although the paramagnetic centers are linked by the long diamagnetic [Fe(CN)5(NO)]2- anion.

Original languageEnglish
Pages (from-to)2523-2531
Number of pages9
JournalInorganica Chimica Acta
Volume360
Issue number8
DOIs
Publication statusPublished - 2007 May 30

Fingerprint

Nitroprusside
coordination polymers
Piles
Anions
Elongation
Magnetic properties
Polymers
Negative ions
Ligands
Ions
magnetic properties
synthesis
assembling
elongation
myristoylmethionine
anions
ligands
ions
interactions

Keywords

  • Coordination polymers
  • Crystal structures
  • Magnetic properties
  • Nitroprusside

ASJC Scopus subject areas

  • Biochemistry
  • Inorganic Chemistry
  • Physical and Theoretical Chemistry
  • Materials Chemistry

Cite this

Synthesis, structures, and magnetic properties of one-dimensional Fe-M (M = NiII, CuII) coordination polymers bridged by nitroprusside. / You, Young Sin; Yoon, Jung Hee; Lim, Jeong Hak; Kim, Hyoung Chan; Hong, Chang Seop.

In: Inorganica Chimica Acta, Vol. 360, No. 8, 30.05.2007, p. 2523-2531.

Research output: Contribution to journalArticle

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AB - Self-assembling [Fe(CN)5(NO)]2- and [M(L)]2+ (M = Ni, Cu; L = macrocycles) led to one-dimensional coordination polymers, [Ni(L1)][Fe(CN)5(NO)] · 2H2O (1) with parallel chains and [Cu(L2)][Fe(CN)5(NO)] · 3H2O (2) exhibiting a slanted chain structure. Compound 1 contains a planar macrocycle L1 coordinated to a slightly distorted octahedral Ni(II) ion in which the planarity of L1 gives rise to piling up chains in parallel. In contrast, a more flexible macrocyclic ligand L2 in 2 that surrounds a Cu center with a tetragonal elongation has bulky cyclohexyl groups together with pendant methyl side groups. The presence of the methyl groups on L2 in a chain makes the cyclohexyl groups in an adjacent chain tilted against the CuN4 basal plane with the methyl groups, eventually resulting in the slanted chain structure. Magnetic data demonstrate that antiferromagnetic interactions (J ≈ -0.13 cm-1) are operating although the paramagnetic centers are linked by the long diamagnetic [Fe(CN)5(NO)]2- anion.

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