Hydrolytic synthesis and structural characterization of lanthanide-acetylacetonato/hydroxo cluster complexes - A systematic study

Yinglan Wu; Scott Morton; Xiangjian Kong; Gary S. Nichol; Zhiping Zheng

doi:10.1039/c0dt01218a

Hydrolytic synthesis and structural characterization of lanthanide-acetylacetonato/hydroxo cluster complexes - A systematic study

Yinglan Wu, Scott Morton, Xiangjian Kong, Gary S. Nichol, Zhiping Zheng

Chemistry and Biochemistry

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49 Scopus citations

Abstract

Lanthanide hydroxide cluster complexes with acetylacetonate were synthesized by the hydrolysis of the corresponding hydrated lanthanide acetylacetonates in methanol in the presence of triethylamine. Polymeric lanthanide hydroxide complexes based on diamond-shaped dinuclear repeating units of [Ln₂(CH₃CO₃)₂]⁴⁺ (Ln = La, Pr) and discrete complexes featuring a tetranuclear distorted cubane core of [Ln₄(μ₃-OH)₂(μ₃-OCH ₃)₂]⁸⁺ (Ln = Nd, Sm) and a nonanuclear core of [Ln₉(μ₄-O)(μ₄-OH)(μ₃-OH) ₈]¹⁶⁺ (Ln = Eu-Dy, Er, Yb) were obtained. The dependence of the cluster nuclearity on the identity of the lanthanide ion is rationalized in terms of the influences of a metal ion's Lewis acidity and the sterics about the Ln-OH unit on the kinetics of the assembly process that leads to a particular cluster.

Original language	English (US)
Pages (from-to)	1041-1046
Number of pages	6
Journal	Dalton Transactions
Volume	40
Issue number	5
DOIs	https://doi.org/10.1039/c0dt01218a
State	Published - Feb 7 2011

ASJC Scopus subject areas

Inorganic Chemistry

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10.1039/c0dt01218a

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title = "Hydrolytic synthesis and structural characterization of lanthanide-acetylacetonato/hydroxo cluster complexes - A systematic study",

abstract = "Lanthanide hydroxide cluster complexes with acetylacetonate were synthesized by the hydrolysis of the corresponding hydrated lanthanide acetylacetonates in methanol in the presence of triethylamine. Polymeric lanthanide hydroxide complexes based on diamond-shaped dinuclear repeating units of [Ln2(CH3CO3)2]4+ (Ln = La, Pr) and discrete complexes featuring a tetranuclear distorted cubane core of [Ln4(μ3-OH)2(μ3-OCH 3)2]8+ (Ln = Nd, Sm) and a nonanuclear core of [Ln9(μ4-O)(μ4-OH)(μ3-OH) 8]16+ (Ln = Eu-Dy, Er, Yb) were obtained. The dependence of the cluster nuclearity on the identity of the lanthanide ion is rationalized in terms of the influences of a metal ion's Lewis acidity and the sterics about the Ln-OH unit on the kinetics of the assembly process that leads to a particular cluster.",

author = "Yinglan Wu and Scott Morton and Xiangjian Kong and Nichol, {Gary S.} and Zhiping Zheng",

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language = "English (US)",

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AU - Wu, Yinglan

AU - Morton, Scott

AU - Kong, Xiangjian

AU - Nichol, Gary S.

AU - Zheng, Zhiping

PY - 2011/2/7

Y1 - 2011/2/7

N2 - Lanthanide hydroxide cluster complexes with acetylacetonate were synthesized by the hydrolysis of the corresponding hydrated lanthanide acetylacetonates in methanol in the presence of triethylamine. Polymeric lanthanide hydroxide complexes based on diamond-shaped dinuclear repeating units of [Ln2(CH3CO3)2]4+ (Ln = La, Pr) and discrete complexes featuring a tetranuclear distorted cubane core of [Ln4(μ3-OH)2(μ3-OCH 3)2]8+ (Ln = Nd, Sm) and a nonanuclear core of [Ln9(μ4-O)(μ4-OH)(μ3-OH) 8]16+ (Ln = Eu-Dy, Er, Yb) were obtained. The dependence of the cluster nuclearity on the identity of the lanthanide ion is rationalized in terms of the influences of a metal ion's Lewis acidity and the sterics about the Ln-OH unit on the kinetics of the assembly process that leads to a particular cluster.

AB - Lanthanide hydroxide cluster complexes with acetylacetonate were synthesized by the hydrolysis of the corresponding hydrated lanthanide acetylacetonates in methanol in the presence of triethylamine. Polymeric lanthanide hydroxide complexes based on diamond-shaped dinuclear repeating units of [Ln2(CH3CO3)2]4+ (Ln = La, Pr) and discrete complexes featuring a tetranuclear distorted cubane core of [Ln4(μ3-OH)2(μ3-OCH 3)2]8+ (Ln = Nd, Sm) and a nonanuclear core of [Ln9(μ4-O)(μ4-OH)(μ3-OH) 8]16+ (Ln = Eu-Dy, Er, Yb) were obtained. The dependence of the cluster nuclearity on the identity of the lanthanide ion is rationalized in terms of the influences of a metal ion's Lewis acidity and the sterics about the Ln-OH unit on the kinetics of the assembly process that leads to a particular cluster.

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Hydrolytic synthesis and structural characterization of lanthanide-acetylacetonato/hydroxo cluster complexes - A systematic study

Abstract

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CCDC 778771: Experimental Crystal Structure Determination

CCDC 778770: Experimental Crystal Structure Determination

CCDC 778769: Experimental Crystal Structure Determination

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Hydrolytic synthesis and structural characterization of lanthanide-acetylacetonato/hydroxo cluster complexes - A systematic study

Abstract

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Datasets

CCDC 778771: Experimental Crystal Structure Determination

CCDC 778770: Experimental Crystal Structure Determination

CCDC 778769: Experimental Crystal Structure Determination

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