Mono- and Bis-cyclopentadienyl Complexes of Ruthenium and Osmium

Takao, Toshiro; Inagaki, Akiko

doi:10.1016/b978-0-12-820206-7.00143-8

Cited by 3 publications

(1 citation statement)

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“…Cyclopentadienyliron dicarbonyl dimer, [η 5 -CpFe(CO) 2 ] 2 , and its derivatives that contain the [η 5 -CpFe(CO) 2 ] fragment commonly referred to as Fp (or fip) complexes (Figure ) are one of the archetypal classes of organometallic complexes and were first synthesized in the Wilkinson lab in the 1950s . This family of complexes has been the subject of intense investigation, − but reports on the analogous cyclopentadienyl ruthenium dicarbonyl (Rp) complexes are limited in comparison. − …”

Section: Introductionmentioning

confidence: 99%

[Fp(CH₄)]⁺, [η⁵-CpRu(CO)₂(CH₄)]⁺, and [η⁵-CpOs(CO)₂(CH₄)]⁺: A Complete Set of Group 8 Metal–Methane Complexes

2022

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Here, we report the NMR spectroscopic analysis of the group 8 transition metal methane σ-complexes [η5-CpM(CO)2(CH4)][Al(OC(CF3)3)4] (M = Fe, Ru) at −90 °C in the weakly coordinating solvent 1,1,1,3,3,3-hexafluoropropane. The iron(II)–methane complex has a 1H resonance at δ −4.27, a 13C resonance at δ −53.0, and 1 J C–H = 126 Hz for the bound methane fragment. The ruthenium(II)–methane complex has a 1H resonance at δ −2.10, a 13C resonance at δ −48.8, and a 1 J C–H = 126 Hz for the bound methane fragment. DFT and ab initio calculations support these experimental observations and provide further detail on the structures of the [η5-CpM(CO)2(CH4)]+ (M = Fe, Ru) complexes of the Group 8 metals. Both the iron centered methane complex, [η5-CpFe(CO)2(CH4)][Al(OC(CF3)3)4], and the ruthenium centered methane complex, [η5-CpRu(CO)2(CH4)][Al(OC(CF3)3)4], are significantly less stable than the previously reported osmium–methane complex [η5-CpOs(CO)2(CH4)][Al(OC(CF3)3)4].

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Section: Introductionmentioning

confidence: 99%

[Fp(CH₄)]⁺, [η⁵-CpRu(CO)₂(CH₄)]⁺, and [η⁵-CpOs(CO)₂(CH₄)]⁺: A Complete Set of Group 8 Metal–Methane Complexes

2022

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Mono-nuclear ruthenium catalyst for hydrogen evolution

Kaim

Joshi

Stein

et al. 2023

International Journal of Hydrogen Energy

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Synthesis of a 50-electron triangular ruthenium cluster containing a μ3-methylidyne ligand via the fragmentation of the Ru2 skeleton

Takao,

Egawa,

Ochi

et al. 2024

Journal of Organometallic Chemistry

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Mono- and Bis-cyclopentadienyl Complexes of Ruthenium and Osmium

Cited by 3 publications

References 575 publications

[Fp(CH₄)]⁺, [η⁵-CpRu(CO)₂(CH₄)]⁺, and [η⁵-CpOs(CO)₂(CH₄)]⁺: A Complete Set of Group 8 Metal–Methane Complexes

[Fp(CH₄)]⁺, [η⁵-CpRu(CO)₂(CH₄)]⁺, and [η⁵-CpOs(CO)₂(CH₄)]⁺: A Complete Set of Group 8 Metal–Methane Complexes

Mono-nuclear ruthenium catalyst for hydrogen evolution

Synthesis of a 50-electron triangular ruthenium cluster containing a μ3-methylidyne ligand via the fragmentation of the Ru2 skeleton

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Mono- and Bis-cyclopentadienyl Complexes of Ruthenium and Osmium

Cited by 3 publications

References 575 publications

[Fp(CH4)]+, [η5-CpRu(CO)2(CH4)]+, and [η5-CpOs(CO)2(CH4)]+: A Complete Set of Group 8 Metal–Methane Complexes

[Fp(CH4)]+, [η5-CpRu(CO)2(CH4)]+, and [η5-CpOs(CO)2(CH4)]+: A Complete Set of Group 8 Metal–Methane Complexes

Mono-nuclear ruthenium catalyst for hydrogen evolution

Synthesis of a 50-electron triangular ruthenium cluster containing a μ3-methylidyne ligand via the fragmentation of the Ru2 skeleton

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[Fp(CH₄)]⁺, [η⁵-CpRu(CO)₂(CH₄)]⁺, and [η⁵-CpOs(CO)₂(CH₄)]⁺: A Complete Set of Group 8 Metal–Methane Complexes

[Fp(CH₄)]⁺, [η⁵-CpRu(CO)₂(CH₄)]⁺, and [η⁵-CpOs(CO)₂(CH₄)]⁺: A Complete Set of Group 8 Metal–Methane Complexes