Use of the cationic fragments [Ru(η5-C5H 5) (MeCN)3]+ and [M(η6-C 6H5R)(MeCN)3]+

Muna R.A. Al-Mandhary; Radchada Buntem; Cheryl L. Doherty; Andrew J. Edwards; John F. Gallagher; Jack Lewis; Chi Keung Li; Paul R. Raithby; M. Carmen Ramirez De Arellano; Gregory P. Shields

doi:10.1007/s10876-005-4402-2

Use of the cationic fragments [Ru(η⁵-C₅H ₅) (MeCN)₃]⁺ and [M(η⁶-C ₆H₅R)(MeCN)₃]⁺

Muna R.A. Al-Mandhary, Radchada Buntem, Cheryl L. Doherty, Andrew J. Edwards, John F. Gallagher, Jack Lewis, Chi Keung Li, Paul R. Raithby, M. Carmen Ramirez De Arellano, Gregory P. Shields

Chemistry

Research output: Contribution to journal › Article

5 Citations (Scopus)

Abstract

The clusters [H₂Os₄M(CO)₁₂η ⁶-C₆H₆)] (M=Os, Ru) may be deprotonated to generate anions [Os₄M(CO)₁₂(η⁶-C ₆H₆)]^2- which react with [M′η ⁶-C₆H₅R) (MeCN)₃] ²⁺(M′=Os, Ru; R=H, Me) to give the bicapped tetrahedral clusters [Os₄(CO)₁₂MM′(η⁶-C ₆H₅R)₂]. Whereas [Os₄(CO) ₁₂M₂η⁶-C₆H₆) ₂] (M=Os, Ru) have one M(η⁶-C₆H ₆) unit in a site connected to three other metals, {3}, and one in a site connected to four other metals, {4}, [Os₄(CO) ₁₂OsRu(η⁶-C₆H₆)₂] has the Ru(η⁶-C₆H₆) unit in the {3} site irrespective of whether the Os or Ru anion is capped. Coupling of these anions with Au₂dppm yields [Os₄M(CO)₁₂(η ⁶-C₆H₆)(Au₂dppm)] (M=Os, Ru), which have the arene ligand in the axial site of a trigonal bipyramid and the digold unit capping two faces. Reduction of [H₂Os₅(CO) ₁₅] with K/Ph₂CO and coupling with [Ru(η⁵- C₅H₅)(MeCN)₃]²⁺yields the monoanion [Os₅(CO)₁₅Ru(η⁵-C₅H ₅)]^- which reacts with [AuPPh₃]⁺ generating [Os₅(CO)₁₅Ru(η⁵-C ₅H₅)(AuPPh₃)] with the "Ru(C ₅H₅)" unit in the terminal {3} site.

Original language	English
Pages (from-to)	127-150
Number of pages	24
Journal	Journal of Cluster Science
Volume	16
Issue number	2
DOIs	https://doi.org/10.1007/s10876-005-4402-2
Publication status	Published - Jun 2005

Keywords

Carbonyl cluster
Cyclopentadienyl
Gold
Osmium
Ruthenium
X-ray crystal structures

ASJC Scopus subject areas

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

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Al-Mandhary, M. R. A., Buntem, R., Doherty, C. L., Edwards, A. J., Gallagher, J. F., Lewis, J., Li, C. K., Raithby, P. R., Ramirez De Arellano, M. C., & Shields, G. P. (2005). Use of the cationic fragments [Ru(η⁵-C₅H ₅) (MeCN)₃]⁺ and [M(η⁶-C ₆H₅R)(MeCN)₃]⁺. Journal of Cluster Science, 16(2), 127-150. https://doi.org/10.1007/s10876-005-4402-2

Use of the cationic fragments [Ru(η⁵-C₅H ₅) (MeCN)₃]⁺ and [M(η⁶-C ₆H₅R)(MeCN)₃]⁺. / Al-Mandhary, Muna R.A.; Buntem, Radchada; Doherty, Cheryl L.; Edwards, Andrew J.; Gallagher, John F.; Lewis, Jack; Li, Chi Keung; Raithby, Paul R.; Ramirez De Arellano, M. Carmen; Shields, Gregory P.

In: Journal of Cluster Science, Vol. 16, No. 2, 06.2005, p. 127-150.

Research output: Contribution to journal › Article

@article{1f3f29820a5c440491e0e5f37aac8ca0,

title = "Use of the cationic fragments [Ru(η5-C5H 5) (MeCN)3]+ and [M(η6-C 6H5R)(MeCN)3]+",

abstract = "The clusters [H2Os4M(CO)12η 6-C6H6)] (M=Os, Ru) may be deprotonated to generate anions [Os4M(CO)12(η6-C 6H6)]2- which react with [M′η 6-C6H5R) (MeCN)3] 2+(M′=Os, Ru; R=H, Me) to give the bicapped tetrahedral clusters [Os4(CO)12MM′(η6-C 6H5R)2]. Whereas [Os4(CO) 12M2η6-C6H6) 2] (M=Os, Ru) have one M(η6-C6H 6) unit in a site connected to three other metals, {3}, and one in a site connected to four other metals, {4}, [Os4(CO) 12OsRu(η6-C6H6)2] has the Ru(η6-C6H6) unit in the {3} site irrespective of whether the Os or Ru anion is capped. Coupling of these anions with Au2dppm yields [Os4M(CO)12(η 6-C6H6)(Au2dppm)] (M=Os, Ru), which have the arene ligand in the axial site of a trigonal bipyramid and the digold unit capping two faces. Reduction of [H2Os5(CO) 15] with K/Ph2CO and coupling with [Ru(η5- C5H5)(MeCN)3]2+yields the monoanion [Os5(CO)15Ru(η5-C5H 5)]- which reacts with [AuPPh3]+ generating [Os5(CO)15Ru(η5-C 5H5)(AuPPh3)] with the {"}Ru(C 5H5){"} unit in the terminal {3} site.",

keywords = "Carbonyl cluster, Cyclopentadienyl, Gold, Osmium, Ruthenium, X-ray crystal structures",

author = "Al-Mandhary, {Muna R.A.} and Radchada Buntem and Doherty, {Cheryl L.} and Edwards, {Andrew J.} and Gallagher, {John F.} and Jack Lewis and Li, {Chi Keung} and Raithby, {Paul R.} and {Ramirez De Arellano}, {M. Carmen} and Shields, {Gregory P.}",

year = "2005",

month = jun,

doi = "10.1007/s10876-005-4402-2",

language = "English",

volume = "16",

pages = "127--150",

journal = "Journal of Cluster Science",

issn = "1040-7278",

publisher = "Springer New York",

number = "2",

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T1 - Use of the cationic fragments [Ru(η5-C5H 5) (MeCN)3]+ and [M(η6-C 6H5R)(MeCN)3]+

AU - Al-Mandhary, Muna R.A.

AU - Buntem, Radchada

AU - Doherty, Cheryl L.

AU - Edwards, Andrew J.

AU - Gallagher, John F.

AU - Lewis, Jack

AU - Li, Chi Keung

AU - Raithby, Paul R.

AU - Ramirez De Arellano, M. Carmen

AU - Shields, Gregory P.

PY - 2005/6

Y1 - 2005/6

N2 - The clusters [H2Os4M(CO)12η 6-C6H6)] (M=Os, Ru) may be deprotonated to generate anions [Os4M(CO)12(η6-C 6H6)]2- which react with [M′η 6-C6H5R) (MeCN)3] 2+(M′=Os, Ru; R=H, Me) to give the bicapped tetrahedral clusters [Os4(CO)12MM′(η6-C 6H5R)2]. Whereas [Os4(CO) 12M2η6-C6H6) 2] (M=Os, Ru) have one M(η6-C6H 6) unit in a site connected to three other metals, {3}, and one in a site connected to four other metals, {4}, [Os4(CO) 12OsRu(η6-C6H6)2] has the Ru(η6-C6H6) unit in the {3} site irrespective of whether the Os or Ru anion is capped. Coupling of these anions with Au2dppm yields [Os4M(CO)12(η 6-C6H6)(Au2dppm)] (M=Os, Ru), which have the arene ligand in the axial site of a trigonal bipyramid and the digold unit capping two faces. Reduction of [H2Os5(CO) 15] with K/Ph2CO and coupling with [Ru(η5- C5H5)(MeCN)3]2+yields the monoanion [Os5(CO)15Ru(η5-C5H 5)]- which reacts with [AuPPh3]+ generating [Os5(CO)15Ru(η5-C 5H5)(AuPPh3)] with the "Ru(C 5H5)" unit in the terminal {3} site.

AB - The clusters [H2Os4M(CO)12η 6-C6H6)] (M=Os, Ru) may be deprotonated to generate anions [Os4M(CO)12(η6-C 6H6)]2- which react with [M′η 6-C6H5R) (MeCN)3] 2+(M′=Os, Ru; R=H, Me) to give the bicapped tetrahedral clusters [Os4(CO)12MM′(η6-C 6H5R)2]. Whereas [Os4(CO) 12M2η6-C6H6) 2] (M=Os, Ru) have one M(η6-C6H 6) unit in a site connected to three other metals, {3}, and one in a site connected to four other metals, {4}, [Os4(CO) 12OsRu(η6-C6H6)2] has the Ru(η6-C6H6) unit in the {3} site irrespective of whether the Os or Ru anion is capped. Coupling of these anions with Au2dppm yields [Os4M(CO)12(η 6-C6H6)(Au2dppm)] (M=Os, Ru), which have the arene ligand in the axial site of a trigonal bipyramid and the digold unit capping two faces. Reduction of [H2Os5(CO) 15] with K/Ph2CO and coupling with [Ru(η5- C5H5)(MeCN)3]2+yields the monoanion [Os5(CO)15Ru(η5-C5H 5)]- which reacts with [AuPPh3]+ generating [Os5(CO)15Ru(η5-C 5H5)(AuPPh3)] with the "Ru(C 5H5)" unit in the terminal {3} site.

KW - Carbonyl cluster

KW - Cyclopentadienyl

KW - Gold

KW - Osmium

KW - Ruthenium

KW - X-ray crystal structures

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