Ancillary ligand functionalization of cyanide-bridged S = 6 Fe III4NiII4 complexes for molecule-based electronics

Dongfeng Li; Sean Parkin; Rodolphe Clérac; Stephen M. Holmes

doi:10.1021/ic060695q

Ancillary ligand functionalization of cyanide-bridged S = 6 Fe ^III₄Ni^II₄ complexes for molecule-based electronics

Dongfeng Li, Sean Parkin, Rodolphe Clérac, Stephen M. Holmes

Chemistry

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

74 Citations (SciVal)

Abstract

Treatment of 1-chloro-6-iodohexane or 1-chloro-10-iododecane with lithium tris(pyrazolyl)methanide, followed by potassium thioacetate, affords bifunctional 1-S(acetyl)-tris(pyrazolyl)alkanes (L) (pz)₃C-(CH ₂)_nSAc (n = 6, 1; 10, 2). Magnetic studies of {[(pzTp)Fe^III-(CN)₃]₄[Ni^IIL] ₄[OTf]₄}·solvent (4, L = 1; 5, L = 2) boxes suggest that -(CH₂)₆ chains (4) limit intermolecular interactions while -(CH₂)₁₀ chains in 5 introduce crystallographic disorder and a distribution of relaxation times; 4 and 5 exhibit slow relaxation of the magnetization.

Original language	English
Pages (from-to)	7569-7571
Number of pages	3
Journal	Inorganic Chemistry
Volume	45
Issue number	19
DOIs	https://doi.org/10.1021/ic060695q
State	Published - Sep 18 2006

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Inorganic Chemistry

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title = "Ancillary ligand functionalization of cyanide-bridged S = 6 Fe III4NiII4 complexes for molecule-based electronics",

abstract = "Treatment of 1-chloro-6-iodohexane or 1-chloro-10-iododecane with lithium tris(pyrazolyl)methanide, followed by potassium thioacetate, affords bifunctional 1-S(acetyl)-tris(pyrazolyl)alkanes (L) (pz)3C-(CH 2)nSAc (n = 6, 1; 10, 2). Magnetic studies of {[(pzTp)FeIII-(CN)3]4[NiIIL] 4[OTf]4}·solvent (4, L = 1; 5, L = 2) boxes suggest that -(CH2)6 chains (4) limit intermolecular interactions while -(CH2)10 chains in 5 introduce crystallographic disorder and a distribution of relaxation times; 4 and 5 exhibit slow relaxation of the magnetization.",

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T1 - Ancillary ligand functionalization of cyanide-bridged S = 6 Fe III4NiII4 complexes for molecule-based electronics

AU - Li, Dongfeng

AU - Parkin, Sean

AU - Clérac, Rodolphe

AU - Holmes, Stephen M.

PY - 2006/9/18

Y1 - 2006/9/18

N2 - Treatment of 1-chloro-6-iodohexane or 1-chloro-10-iododecane with lithium tris(pyrazolyl)methanide, followed by potassium thioacetate, affords bifunctional 1-S(acetyl)-tris(pyrazolyl)alkanes (L) (pz)3C-(CH 2)nSAc (n = 6, 1; 10, 2). Magnetic studies of {[(pzTp)FeIII-(CN)3]4[NiIIL] 4[OTf]4}·solvent (4, L = 1; 5, L = 2) boxes suggest that -(CH2)6 chains (4) limit intermolecular interactions while -(CH2)10 chains in 5 introduce crystallographic disorder and a distribution of relaxation times; 4 and 5 exhibit slow relaxation of the magnetization.

AB - Treatment of 1-chloro-6-iodohexane or 1-chloro-10-iododecane with lithium tris(pyrazolyl)methanide, followed by potassium thioacetate, affords bifunctional 1-S(acetyl)-tris(pyrazolyl)alkanes (L) (pz)3C-(CH 2)nSAc (n = 6, 1; 10, 2). Magnetic studies of {[(pzTp)FeIII-(CN)3]4[NiIIL] 4[OTf]4}·solvent (4, L = 1; 5, L = 2) boxes suggest that -(CH2)6 chains (4) limit intermolecular interactions while -(CH2)10 chains in 5 introduce crystallographic disorder and a distribution of relaxation times; 4 and 5 exhibit slow relaxation of the magnetization.

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Ancillary ligand functionalization of cyanide-bridged S = 6 Fe ^III₄Ni^II₄ complexes for molecule-based electronics

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