A solid-state supramolecular rotator assembled from a Cs-crown ether polyoxometalate hybrid: (Cs+)3([18]crown-6) 3(H+)2[PMo12O40]

Tomoyuki Akutagawa; Daigoro Endo; Fumito Kudo; Shin Ichiro Noro; Sadamu Takeda; Leroy Cronin; Takayoshi Nakamura

doi:10.1021/cg060951+

A solid-state supramolecular rotator assembled from a Cs-crown ether polyoxometalate hybrid: (Cs⁺)₃([18]crown-6) ₃(H⁺)₂[PMo₁₂O₄₀]

Tomoyuki Akutagawa, Daigoro Endo, Fumito Kudo, Shin Ichiro Noro, Sadamu Takeda, Leroy Cronin, Takayoshi Nakamura

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

39 Citations (Scopus)

Abstract

A solid-state molecular rotator comprising [18]crown-6 was assembled into a crystalline array of (Cs⁺)₃([18]crown-6) ₃(H¹)₂[PMo₁₂O₄₀] ⁵, whereby two Cs¹([18]crown-6) supramolecular rotators were complexed with a two-electron-reduced α-[PMo₁₂O ₄₀]⁵ Keggin cluster. The size-compatible rotators of [18]crown-6 were directly complexed to an α-[PMo₁₂O ₄₀]⁵ axle through Cs⁺-O interactions. The investigation of the dynamics of the system revealed that two rotation frequencies for [18]crown-6 were observed by using temperature-dependent ¹H NMR studies, and these were dominated by intermolecular interactions in the solid state.

Original language	English
Pages (from-to)	812-816
Number of pages	5
Journal	Crystal Growth and Design
Volume	8
Issue number	3
DOIs	https://doi.org/10.1021/cg060951+
Publication status	Published - 2008 Mar 1
Externally published	Yes

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)
Condensed Matter Physics

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A solid-state supramolecular rotator assembled from a Cs-crown ether polyoxometalate hybrid : (Cs⁺)₃([18]crown-6) ₃(H⁺)₂[PMo₁₂O₄₀]. / Akutagawa, Tomoyuki; Endo, Daigoro; Kudo, Fumito; Noro, Shin Ichiro; Takeda, Sadamu; Cronin, Leroy; Nakamura, Takayoshi.

In: Crystal Growth and Design, Vol. 8, No. 3, 01.03.2008, p. 812-816.

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

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abstract = "A solid-state molecular rotator comprising [18]crown-6 was assembled into a crystalline array of (Cs+)3([18]crown-6) 3(H1)2[PMo12O40] 5, whereby two Cs1([18]crown-6) supramolecular rotators were complexed with a two-electron-reduced α-[PMo12O 40]5 Keggin cluster. The size-compatible rotators of [18]crown-6 were directly complexed to an α-[PMo12O 40]5 axle through Cs+-O interactions. The investigation of the dynamics of the system revealed that two rotation frequencies for [18]crown-6 were observed by using temperature-dependent 1H NMR studies, and these were dominated by intermolecular interactions in the solid state.",

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AU - Akutagawa, Tomoyuki

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