Germanium-rich pentaruthenium carbonyl clusters including Ru5(CO)11(μ-GePh2)45-C) and its reactions with hydrogen

Richard D. Adams, Burjor Captain, Wei Fu

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

The reaction of Ru5(CO)155-C), 1, with Ph3GeH at 150 °C has yielded two new germanium-rich pentaruthenium cluster complexes: Ru5(CO)11(μ-CO)(μ-GePh2) 35-C), 2; Ru5(CO)11(μ-GePh2)45-C), 3. Both compounds contain square pyramidal Ru5 clusters with GePh2 groups bridging three and four of the edges of the Ru5 square base, respectively. When treated with 1 equiv of Ph3GeH at 150 °C compound 2 is converted to 3. Reaction of 3 with H2 at 150 °C yielded Ru5(CO)10(μ-GePh2)45-C)(μ-H)2, 4, containing two hydride ligands and one less CO ligand. Reaction of 4 with hydrogen at 150 °C yielded the compound Ru5(CO)10(μ-GePh2)23-GePh2)23-H) (μ4-CH), 5, by loss of benzene and conversion of two of the bridging GePh2 groups into triply bridging GePh groups. Compound 5 contains one triply bridging hydride ligand and a quadruply bridging methylidyne ligand formed by addition of one hydrogen atom to the carbido carbon atom.

Original languageEnglish
Pages (from-to)1328-1333
Number of pages6
JournalInorganic Chemistry
Volume42
Issue number4
DOIs
StatePublished - Feb 24 2003
Externally publishedYes

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Germanium
Hydrogen
germanium
Ligands
ligands
hydrogen
Hydrides
hydrides
methylidyne
complex compounds
Atoms
Benzene
hydrogen atoms
Carbon
benzene
carbon
atoms

ASJC Scopus subject areas

  • Inorganic Chemistry

Cite this

Germanium-rich pentaruthenium carbonyl clusters including Ru5(CO)11(μ-GePh2)45-C) and its reactions with hydrogen. / Adams, Richard D.; Captain, Burjor; Fu, Wei.

In: Inorganic Chemistry, Vol. 42, No. 4, 24.02.2003, p. 1328-1333.

Research output: Contribution to journalArticle

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abstract = "The reaction of Ru5(CO)15(μ5-C), 1, with Ph3GeH at 150 °C has yielded two new germanium-rich pentaruthenium cluster complexes: Ru5(CO)11(μ-CO)(μ-GePh2) 3(μ5-C), 2; Ru5(CO)11(μ-GePh2)4 (μ5-C), 3. Both compounds contain square pyramidal Ru5 clusters with GePh2 groups bridging three and four of the edges of the Ru5 square base, respectively. When treated with 1 equiv of Ph3GeH at 150 °C compound 2 is converted to 3. Reaction of 3 with H2 at 150 °C yielded Ru5(CO)10(μ-GePh2)4 (μ5-C)(μ-H)2, 4, containing two hydride ligands and one less CO ligand. Reaction of 4 with hydrogen at 150 °C yielded the compound Ru5(CO)10(μ-GePh2)2 (μ3-GePh2)2(μ3-H) (μ4-CH), 5, by loss of benzene and conversion of two of the bridging GePh2 groups into triply bridging GePh groups. Compound 5 contains one triply bridging hydride ligand and a quadruply bridging methylidyne ligand formed by addition of one hydrogen atom to the carbido carbon atom.",
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N2 - The reaction of Ru5(CO)15(μ5-C), 1, with Ph3GeH at 150 °C has yielded two new germanium-rich pentaruthenium cluster complexes: Ru5(CO)11(μ-CO)(μ-GePh2) 3(μ5-C), 2; Ru5(CO)11(μ-GePh2)4 (μ5-C), 3. Both compounds contain square pyramidal Ru5 clusters with GePh2 groups bridging three and four of the edges of the Ru5 square base, respectively. When treated with 1 equiv of Ph3GeH at 150 °C compound 2 is converted to 3. Reaction of 3 with H2 at 150 °C yielded Ru5(CO)10(μ-GePh2)4 (μ5-C)(μ-H)2, 4, containing two hydride ligands and one less CO ligand. Reaction of 4 with hydrogen at 150 °C yielded the compound Ru5(CO)10(μ-GePh2)2 (μ3-GePh2)2(μ3-H) (μ4-CH), 5, by loss of benzene and conversion of two of the bridging GePh2 groups into triply bridging GePh groups. Compound 5 contains one triply bridging hydride ligand and a quadruply bridging methylidyne ligand formed by addition of one hydrogen atom to the carbido carbon atom.

AB - The reaction of Ru5(CO)15(μ5-C), 1, with Ph3GeH at 150 °C has yielded two new germanium-rich pentaruthenium cluster complexes: Ru5(CO)11(μ-CO)(μ-GePh2) 3(μ5-C), 2; Ru5(CO)11(μ-GePh2)4 (μ5-C), 3. Both compounds contain square pyramidal Ru5 clusters with GePh2 groups bridging three and four of the edges of the Ru5 square base, respectively. When treated with 1 equiv of Ph3GeH at 150 °C compound 2 is converted to 3. Reaction of 3 with H2 at 150 °C yielded Ru5(CO)10(μ-GePh2)4 (μ5-C)(μ-H)2, 4, containing two hydride ligands and one less CO ligand. Reaction of 4 with hydrogen at 150 °C yielded the compound Ru5(CO)10(μ-GePh2)2 (μ3-GePh2)2(μ3-H) (μ4-CH), 5, by loss of benzene and conversion of two of the bridging GePh2 groups into triply bridging GePh groups. Compound 5 contains one triply bridging hydride ligand and a quadruply bridging methylidyne ligand formed by addition of one hydrogen atom to the carbido carbon atom.

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