Tin-capped trinuclear nickel clusters: Redox isomerism between μ3-stannyl and μ3-stannylene clusters of the class [Ni3(dppm)3(μ3-l)(μ3 -SnClx)]n+ (x = 2, n = 1; x = 3, n = 0)

Brian K. Breedlove; Philip E. Fanwick; Clifford P. Kubiak

doi:10.1021/ic020108a

Tin-capped trinuclear nickel clusters: Redox isomerism between μ₃-stannyl and μ₃-stannylene clusters of the class [Ni₃(dppm)₃(μ₃-l)(μ₃ -SnCl_x)]ⁿ⁺ (x = 2, n = 1; x = 3, n = 0)

Brian K. Breedlove, Philip E. Fanwick, Clifford P. Kubiak

研究成果: Article › 査読

14 被引用数 (Scopus)

抄録

The reaction of Ni₃(dppm)₃(μ₃-l)₂ with sodium trichlorostannate affords the first tin-capped nickel cluster Ni₃(dppm)₃(μ₃-l)(μ₃ -SnCl₃) (1). A site of coordinative unsaturation at tin can be introduced by the reaction of 1 with Tl[PF₆] yielding the stannylene-capped cluster [Ni₃(dppm)₃(μ₃-l)(μ₃ -SnCl2)]⁺ (2). Clusters 1 and 2 were characterized by ³¹P NMR, X-ray diffraction, and cyclic voltammetry (CV). Clusters 1 and 2 exhibit single electron redox chemistries, [Ni₃-(dppm)₃(μ₃-l)(μ₃ -SnCl₃)]^0/.-, [Ni₃(dppm)₃(μ₃-l)(μ₃ -SnCl₂)]^+/0, that together comprise a redox equilibrium. Thus, electrochemical reduction of 1 produces first the 49e^- cluster radical anion [Ni₃-(dppm)₃(μ₃-l)(μ₃ -SnCl₃)]^.- which then yields the reduced form of 2, [Ni₃(dppm)₃(μ₃-l)(μ₃ -SnCl₂)], upon chloride dissociation.

本文言語	English
ページ（範囲）	4306-4308
ページ数	3
ジャーナル	Inorganic chemistry
巻	41
号	17
DOI	https://doi.org/10.1021/ic020108a
出版ステータス	Published - 2002 8月 26
外部発表	はい

ASJC Scopus subject areas

物理化学および理論化学
無機化学

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10.1021/ic020108a

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「Tin-capped trinuclear nickel clusters: Redox isomerism between μ₃-stannyl and μ₃-stannylene clusters of the class [Ni₃(dppm)₃(μ₃-l)(μ₃ -SnCl_x)]ⁿ⁺ (x = 2, n = 1; x = 3, n = 0)」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

引用スタイル

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title = "Tin-capped trinuclear nickel clusters: Redox isomerism between μ3-stannyl and μ3-stannylene clusters of the class [Ni3(dppm)3(μ3-l)(μ3 -SnClx)]n+ (x = 2, n = 1; x = 3, n = 0)",

abstract = "The reaction of Ni3(dppm)3(μ3-l)2 with sodium trichlorostannate affords the first tin-capped nickel cluster Ni3(dppm)3(μ3-l)(μ3 -SnCl3) (1). A site of coordinative unsaturation at tin can be introduced by the reaction of 1 with Tl[PF6] yielding the stannylene-capped cluster [Ni3(dppm)3(μ3-l)(μ3 -SnCl2)]+ (2). Clusters 1 and 2 were characterized by 31P NMR, X-ray diffraction, and cyclic voltammetry (CV). Clusters 1 and 2 exhibit single electron redox chemistries, [Ni3-(dppm)3(μ3-l)(μ3 -SnCl3)]0/.-, [Ni3(dppm)3(μ3-l)(μ3 -SnCl2)]+/0, that together comprise a redox equilibrium. Thus, electrochemical reduction of 1 produces first the 49e- cluster radical anion [Ni3-(dppm)3(μ3-l)(μ3 -SnCl3)].- which then yields the reduced form of 2, [Ni3(dppm)3(μ3-l)(μ3 -SnCl2)], upon chloride dissociation.",

author = "Breedlove, {Brian K.} and Fanwick, {Philip E.} and Kubiak, {Clifford P.}",

year = "2002",

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T1 - Tin-capped trinuclear nickel clusters

T2 - Redox isomerism between μ3-stannyl and μ3-stannylene clusters of the class [Ni3(dppm)3(μ3-l)(μ3 -SnClx)]n+ (x = 2, n = 1; x = 3, n = 0)

AU - Breedlove, Brian K.

AU - Fanwick, Philip E.

AU - Kubiak, Clifford P.

PY - 2002/8/26

Y1 - 2002/8/26

N2 - The reaction of Ni3(dppm)3(μ3-l)2 with sodium trichlorostannate affords the first tin-capped nickel cluster Ni3(dppm)3(μ3-l)(μ3 -SnCl3) (1). A site of coordinative unsaturation at tin can be introduced by the reaction of 1 with Tl[PF6] yielding the stannylene-capped cluster [Ni3(dppm)3(μ3-l)(μ3 -SnCl2)]+ (2). Clusters 1 and 2 were characterized by 31P NMR, X-ray diffraction, and cyclic voltammetry (CV). Clusters 1 and 2 exhibit single electron redox chemistries, [Ni3-(dppm)3(μ3-l)(μ3 -SnCl3)]0/.-, [Ni3(dppm)3(μ3-l)(μ3 -SnCl2)]+/0, that together comprise a redox equilibrium. Thus, electrochemical reduction of 1 produces first the 49e- cluster radical anion [Ni3-(dppm)3(μ3-l)(μ3 -SnCl3)].- which then yields the reduced form of 2, [Ni3(dppm)3(μ3-l)(μ3 -SnCl2)], upon chloride dissociation.

AB - The reaction of Ni3(dppm)3(μ3-l)2 with sodium trichlorostannate affords the first tin-capped nickel cluster Ni3(dppm)3(μ3-l)(μ3 -SnCl3) (1). A site of coordinative unsaturation at tin can be introduced by the reaction of 1 with Tl[PF6] yielding the stannylene-capped cluster [Ni3(dppm)3(μ3-l)(μ3 -SnCl2)]+ (2). Clusters 1 and 2 were characterized by 31P NMR, X-ray diffraction, and cyclic voltammetry (CV). Clusters 1 and 2 exhibit single electron redox chemistries, [Ni3-(dppm)3(μ3-l)(μ3 -SnCl3)]0/.-, [Ni3(dppm)3(μ3-l)(μ3 -SnCl2)]+/0, that together comprise a redox equilibrium. Thus, electrochemical reduction of 1 produces first the 49e- cluster radical anion [Ni3-(dppm)3(μ3-l)(μ3 -SnCl3)].- which then yields the reduced form of 2, [Ni3(dppm)3(μ3-l)(μ3 -SnCl2)], upon chloride dissociation.

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