Synthesis and characterization of (CH3C(CH2PPh2)3)RhH(η 2-C60)

Hyunjoon Song; Kwangyeol Lee; Joon T. Park; Il Hwan Suh

Synthesis and characterization of (CH₃C(CH₂PPh₂)₃)RhH(η ²-C₆₀)

Hyunjoon Song, Kwangyeol Lee, Joon T. Park, Il Hwan Suh

Research output: Contribution to journal › Article

Abstract

The title complex, (triphos)RhH(η²-C₆₀) (2) (triphos=CH₃C(CH₂PPh₂)₃), was prepared by the reaction (80°C, toluene) of C₆₀ with a trihydride rhodium complex (triphos)RhH₃ (1) in high yield (86%) as green crystals and characterized by spectroscopic (mass, ¹H-, ³¹P-, and ¹³C-NMR) and analytical data. The molecular structure of 2 was determined by a single crystal X-ray diffraction study. The rhodium atom is octahedrally coordinated by three fac-phosphorus atoms, a hydrogen atom and an η²-C₆₀ ligand. The cyclic voltammetric study of 2 reveals two reversible redox waves which are shifted to more negative potentials by ca. 290 mV compared to free C₆₀, reflecting both metal-to-C₆₀ π-back-donation effect and the electron-donating nature of the triphos ligand.

Original language	English
Pages (from-to)	361-365
Number of pages	5
Journal	Journal of Organometallic Chemistry
Volume	584
Issue number	2
Publication status	Published - 1999 Jul 23
Externally published	Yes

Keywords

Crystal structure
Cyclic voltammetry
Metallofullerene
Rhodium

ASJC Scopus subject areas

Biochemistry
Inorganic Chemistry
Organic Chemistry
Physical and Theoretical Chemistry
Materials Chemistry

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Song, H., Lee, K., Park, J. T., & Suh, I. H. (1999). Synthesis and characterization of (CH₃C(CH₂PPh₂)₃)RhH(η ²-C₆₀). Journal of Organometallic Chemistry, 584(2), 361-365.

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title = "Synthesis and characterization of (CH3C(CH2PPh2)3)RhH(η 2-C60)",

abstract = "The title complex, (triphos)RhH(η2-C60) (2) (triphos=CH3C(CH2PPh2)3), was prepared by the reaction (80°C, toluene) of C60 with a trihydride rhodium complex (triphos)RhH3 (1) in high yield (86%) as green crystals and characterized by spectroscopic (mass, 1H-, 31P-, and 13C-NMR) and analytical data. The molecular structure of 2 was determined by a single crystal X-ray diffraction study. The rhodium atom is octahedrally coordinated by three fac-phosphorus atoms, a hydrogen atom and an η2-C60 ligand. The cyclic voltammetric study of 2 reveals two reversible redox waves which are shifted to more negative potentials by ca. 290 mV compared to free C60, reflecting both metal-to-C60 π-back-donation effect and the electron-donating nature of the triphos ligand.",

keywords = "Crystal structure, Cyclic voltammetry, Metallofullerene, Rhodium",

author = "Hyunjoon Song and Kwangyeol Lee and Park, {Joon T.} and Suh, {Il Hwan}",

year = "1999",

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T1 - Synthesis and characterization of (CH3C(CH2PPh2)3)RhH(η 2-C60)

AU - Song, Hyunjoon

AU - Lee, Kwangyeol

AU - Park, Joon T.

AU - Suh, Il Hwan

PY - 1999/7/23

Y1 - 1999/7/23

N2 - The title complex, (triphos)RhH(η2-C60) (2) (triphos=CH3C(CH2PPh2)3), was prepared by the reaction (80°C, toluene) of C60 with a trihydride rhodium complex (triphos)RhH3 (1) in high yield (86%) as green crystals and characterized by spectroscopic (mass, 1H-, 31P-, and 13C-NMR) and analytical data. The molecular structure of 2 was determined by a single crystal X-ray diffraction study. The rhodium atom is octahedrally coordinated by three fac-phosphorus atoms, a hydrogen atom and an η2-C60 ligand. The cyclic voltammetric study of 2 reveals two reversible redox waves which are shifted to more negative potentials by ca. 290 mV compared to free C60, reflecting both metal-to-C60 π-back-donation effect and the electron-donating nature of the triphos ligand.

AB - The title complex, (triphos)RhH(η2-C60) (2) (triphos=CH3C(CH2PPh2)3), was prepared by the reaction (80°C, toluene) of C60 with a trihydride rhodium complex (triphos)RhH3 (1) in high yield (86%) as green crystals and characterized by spectroscopic (mass, 1H-, 31P-, and 13C-NMR) and analytical data. The molecular structure of 2 was determined by a single crystal X-ray diffraction study. The rhodium atom is octahedrally coordinated by three fac-phosphorus atoms, a hydrogen atom and an η2-C60 ligand. The cyclic voltammetric study of 2 reveals two reversible redox waves which are shifted to more negative potentials by ca. 290 mV compared to free C60, reflecting both metal-to-C60 π-back-donation effect and the electron-donating nature of the triphos ligand.

KW - Crystal structure

KW - Cyclic voltammetry

KW - Metallofullerene

KW - Rhodium

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