Dinuclear ruthenium and iron complexes containing palladium and platinum with tri-tert-butylphosphine ligands

Synthesis, structures, and bonding

Richard D. Adams, Burjor Captain, Wei Fu, Michael B. Hall, Mark D. Smith, Charles Edwin Webster

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

The reaction of Pd(PBut3)2 with Ru(CO)5 yielded the dipalladium-diruthenium cluster complex Ru 2(CO)9[Pd(PBut3)]2, 10. The reaction of Pt(PBut3)2 with Ru(CO) 5 at room temperature afforded the diplatinum-diruthenium cluster complex Ru2(CO)9[Pt(PBut3)] 2, 12, and the monoplatinum-diruthenium cluster PtRu 2(CO)9(PBut3), 11. All three complexes contain a diruthenium group with bridging Pd(PBut 3) or Pt(PBut3) groups. Compound 11 can be converted to 12 by reaction with an additional quantity of Pt(PBu t3)2. The reaction of 12 with hydrogen at 68 °C yielded the dihydrido complex Pt2Ru2(CO) 8(PBut3)2(μ-H)2, 13. This complex contains a Ru2Pt2 cluster with hydride ligands bridging two of the Ru-Pt bonds. The reaction of Fe2(CO) 9 with Pt(PBut3)2 yielded the platinum-diiron cluster complex PtFe2(CO)9(PBu t3), 14, which is analogous to 11. All new complexes were characterized crystallographically. Molecular orbital calculations of 10 reveal an unusual delocalized metal-metal bonding system involving the Pd(PBu t3) groups and the Ru2(CO)9 group.

Original languageEnglish
Pages (from-to)3921-3929
Number of pages9
JournalInorganic Chemistry
Volume43
Issue number13
DOIs
StatePublished - Jun 15 2004
Externally publishedYes

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Ruthenium
Palladium
Carbon Monoxide
Platinum
ruthenium
palladium
platinum
Iron
Ligands
iron
ligands
synthesis
metal-metal bonding
Metals
hydrides
molecular orbitals
Orbital calculations
Molecular orbitals
Hydrides
Hydrogen

ASJC Scopus subject areas

  • Inorganic Chemistry

Cite this

Dinuclear ruthenium and iron complexes containing palladium and platinum with tri-tert-butylphosphine ligands : Synthesis, structures, and bonding. / Adams, Richard D.; Captain, Burjor; Fu, Wei; Hall, Michael B.; Smith, Mark D.; Webster, Charles Edwin.

In: Inorganic Chemistry, Vol. 43, No. 13, 15.06.2004, p. 3921-3929.

Research output: Contribution to journalArticle

Adams, Richard D. ; Captain, Burjor ; Fu, Wei ; Hall, Michael B. ; Smith, Mark D. ; Webster, Charles Edwin. / Dinuclear ruthenium and iron complexes containing palladium and platinum with tri-tert-butylphosphine ligands : Synthesis, structures, and bonding. In: Inorganic Chemistry. 2004 ; Vol. 43, No. 13. pp. 3921-3929.
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abstract = "The reaction of Pd(PBut3)2 with Ru(CO)5 yielded the dipalladium-diruthenium cluster complex Ru 2(CO)9[Pd(PBut3)]2, 10. The reaction of Pt(PBut3)2 with Ru(CO) 5 at room temperature afforded the diplatinum-diruthenium cluster complex Ru2(CO)9[Pt(PBut3)] 2, 12, and the monoplatinum-diruthenium cluster PtRu 2(CO)9(PBut3), 11. All three complexes contain a diruthenium group with bridging Pd(PBut 3) or Pt(PBut3) groups. Compound 11 can be converted to 12 by reaction with an additional quantity of Pt(PBu t3)2. The reaction of 12 with hydrogen at 68 °C yielded the dihydrido complex Pt2Ru2(CO) 8(PBut3)2(μ-H)2, 13. This complex contains a Ru2Pt2 cluster with hydride ligands bridging two of the Ru-Pt bonds. The reaction of Fe2(CO) 9 with Pt(PBut3)2 yielded the platinum-diiron cluster complex PtFe2(CO)9(PBu t3), 14, which is analogous to 11. All new complexes were characterized crystallographically. Molecular orbital calculations of 10 reveal an unusual delocalized metal-metal bonding system involving the Pd(PBu t3) groups and the Ru2(CO)9 group.",
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N2 - The reaction of Pd(PBut3)2 with Ru(CO)5 yielded the dipalladium-diruthenium cluster complex Ru 2(CO)9[Pd(PBut3)]2, 10. The reaction of Pt(PBut3)2 with Ru(CO) 5 at room temperature afforded the diplatinum-diruthenium cluster complex Ru2(CO)9[Pt(PBut3)] 2, 12, and the monoplatinum-diruthenium cluster PtRu 2(CO)9(PBut3), 11. All three complexes contain a diruthenium group with bridging Pd(PBut 3) or Pt(PBut3) groups. Compound 11 can be converted to 12 by reaction with an additional quantity of Pt(PBu t3)2. The reaction of 12 with hydrogen at 68 °C yielded the dihydrido complex Pt2Ru2(CO) 8(PBut3)2(μ-H)2, 13. This complex contains a Ru2Pt2 cluster with hydride ligands bridging two of the Ru-Pt bonds. The reaction of Fe2(CO) 9 with Pt(PBut3)2 yielded the platinum-diiron cluster complex PtFe2(CO)9(PBu t3), 14, which is analogous to 11. All new complexes were characterized crystallographically. Molecular orbital calculations of 10 reveal an unusual delocalized metal-metal bonding system involving the Pd(PBu t3) groups and the Ru2(CO)9 group.

AB - The reaction of Pd(PBut3)2 with Ru(CO)5 yielded the dipalladium-diruthenium cluster complex Ru 2(CO)9[Pd(PBut3)]2, 10. The reaction of Pt(PBut3)2 with Ru(CO) 5 at room temperature afforded the diplatinum-diruthenium cluster complex Ru2(CO)9[Pt(PBut3)] 2, 12, and the monoplatinum-diruthenium cluster PtRu 2(CO)9(PBut3), 11. All three complexes contain a diruthenium group with bridging Pd(PBut 3) or Pt(PBut3) groups. Compound 11 can be converted to 12 by reaction with an additional quantity of Pt(PBu t3)2. The reaction of 12 with hydrogen at 68 °C yielded the dihydrido complex Pt2Ru2(CO) 8(PBut3)2(μ-H)2, 13. This complex contains a Ru2Pt2 cluster with hydride ligands bridging two of the Ru-Pt bonds. The reaction of Fe2(CO) 9 with Pt(PBut3)2 yielded the platinum-diiron cluster complex PtFe2(CO)9(PBu t3), 14, which is analogous to 11. All new complexes were characterized crystallographically. Molecular orbital calculations of 10 reveal an unusual delocalized metal-metal bonding system involving the Pd(PBu t3) groups and the Ru2(CO)9 group.

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