Layered copper hydroxide n-alkylsulfonate salts: Synthesis, characterization, and magnetic behaviors in relation to the basal spacing

Seong Hun Park; Cheol Eui Lee

doi:10.1021/jp046902u

Layered copper hydroxide n-alkylsulfonate salts: Synthesis, characterization, and magnetic behaviors in relation to the basal spacing

Seong Hun Park, Cheol Eui Lee

Department of Physics

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

36 Citations (Scopus)

Abstract

A series of hybrid inorganic-organic copper(II) hydroxy n-alkylsulfonate with a triangular lattice, Cu ₂(OH) ₃(C _nH _2n+1+SO ₃) (n = 6, 8,10), are prepared by anion exchange, starting from copper hydroxy nitrate Cu ₂(OH) ₃NO ₃. These compounds show a layered structure as determined by X-ray diffraction, with interlayer distances of 14.3-34.8 Å in alternation with interdigitated bilayer packing. Magnetic properties have been investigated by means of dc and ac measurements. All the compounds show similar metamagnet behaviors, with a Neel temperature of about 11 K. A subtle difference in the ac magnetic susceptibility among the compounds is understood by the existence of hydrogen bonding between the sulfonate headgroup and the hydroxide anion. A detailed molecular structure of the alkyl chains incorporated to the inorganic copper hydroxide layer is also discussed from the FTIR data.

Original language	English
Pages (from-to)	1118-1124
Number of pages	7
Journal	Journal of Physical Chemistry B
Volume	109
Issue number	3
DOIs	https://doi.org/10.1021/jp046902u
Publication status	Published - 2005 Jan 27

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Surfaces, Coatings and Films
Materials Chemistry

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title = "Layered copper hydroxide n-alkylsulfonate salts: Synthesis, characterization, and magnetic behaviors in relation to the basal spacing",

abstract = "A series of hybrid inorganic-organic copper(II) hydroxy n-alkylsulfonate with a triangular lattice, Cu 2(OH) 3(C nH 2n+1+SO 3) (n = 6, 8,10), are prepared by anion exchange, starting from copper hydroxy nitrate Cu 2(OH) 3NO 3. These compounds show a layered structure as determined by X-ray diffraction, with interlayer distances of 14.3-34.8 {\AA} in alternation with interdigitated bilayer packing. Magnetic properties have been investigated by means of dc and ac measurements. All the compounds show similar metamagnet behaviors, with a Neel temperature of about 11 K. A subtle difference in the ac magnetic susceptibility among the compounds is understood by the existence of hydrogen bonding between the sulfonate headgroup and the hydroxide anion. A detailed molecular structure of the alkyl chains incorporated to the inorganic copper hydroxide layer is also discussed from the FTIR data.",

author = "Park, {Seong Hun} and Lee, {Cheol Eui}",

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T1 - Layered copper hydroxide n-alkylsulfonate salts

T2 - Synthesis, characterization, and magnetic behaviors in relation to the basal spacing

AU - Park, Seong Hun

AU - Lee, Cheol Eui

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Y1 - 2005/1/27

N2 - A series of hybrid inorganic-organic copper(II) hydroxy n-alkylsulfonate with a triangular lattice, Cu 2(OH) 3(C nH 2n+1+SO 3) (n = 6, 8,10), are prepared by anion exchange, starting from copper hydroxy nitrate Cu 2(OH) 3NO 3. These compounds show a layered structure as determined by X-ray diffraction, with interlayer distances of 14.3-34.8 Å in alternation with interdigitated bilayer packing. Magnetic properties have been investigated by means of dc and ac measurements. All the compounds show similar metamagnet behaviors, with a Neel temperature of about 11 K. A subtle difference in the ac magnetic susceptibility among the compounds is understood by the existence of hydrogen bonding between the sulfonate headgroup and the hydroxide anion. A detailed molecular structure of the alkyl chains incorporated to the inorganic copper hydroxide layer is also discussed from the FTIR data.

AB - A series of hybrid inorganic-organic copper(II) hydroxy n-alkylsulfonate with a triangular lattice, Cu 2(OH) 3(C nH 2n+1+SO 3) (n = 6, 8,10), are prepared by anion exchange, starting from copper hydroxy nitrate Cu 2(OH) 3NO 3. These compounds show a layered structure as determined by X-ray diffraction, with interlayer distances of 14.3-34.8 Å in alternation with interdigitated bilayer packing. Magnetic properties have been investigated by means of dc and ac measurements. All the compounds show similar metamagnet behaviors, with a Neel temperature of about 11 K. A subtle difference in the ac magnetic susceptibility among the compounds is understood by the existence of hydrogen bonding between the sulfonate headgroup and the hydroxide anion. A detailed molecular structure of the alkyl chains incorporated to the inorganic copper hydroxide layer is also discussed from the FTIR data.

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Layered copper hydroxide n-alkylsulfonate salts: Synthesis, characterization, and magnetic behaviors in relation to the basal spacing

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