Synthesis and Crystal Structure Determination of Bifunctional Phosphine-Linked Triplatinum Double-Cluster Complexes

Daniel Imhof, Urs Burckhardt, Klaus Hermann Dahmen, Felix Joho, Reinhard Nesper

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Abstract

Reactions of [Pt3(μ-CO)3(PCy3)3] (1) and [Pt3(μ-CNXyl)2(μ-CO)(CNXyl)(PCy3) 2] (2) (Cy = C6H11, Xyl = C8H9) with 1/2 equiv of a bifunctional metal phosphine cation [(MPR′2)2(R)]2+ (M = Cu, Ag, Au; R = C6H4, (CH2)2C6H4, Fe(C5H5); R′ = C6H5, C6H11) yielded quantitatively [{Pt3(μ-CO)3(PCy3)3} 2{(MPR′2)2 (R)}]2+ and [(Pt3(μ-CNXyl)2-(μ-CO)(CNXyl)(PCy3) 2}2{(MPR′2)2(R)}] 2+, respectively. The compounds were characterized by IR-, MS-, and 31P-NMR spectroscopy. The X-ray structure is given for [{Pt3(μ-CO)3(PCy3)3} 2{(AuPPh2)2(CH2)2C 6H4)}][PF6]2 (14), which crystallizes in the triclinic space group P1̄ with Z= 1, a = 15.350 Å. b = 17.150 Å, c = 20.446 Å, α = 84.54°, β= 84.84°, and γ = 64.56°. The structure was refined to R = 0.0435 for the 8430 observed reflections (I > 3σ(I)).

Original languageEnglish
Pages (from-to)1813-1820
Number of pages8
JournalInorganic Chemistry
Volume36
Issue number9
Publication statusPublished - 23 Apr 1997
Externally publishedYes

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phosphine
Carbon Monoxide
phosphines
Crystal structure
cations
nuclear magnetic resonance
crystal structure
synthesis
metals
spectroscopy
x rays
Nuclear magnetic resonance spectroscopy
Cations
Magnetic Resonance Spectroscopy
Metals
X-Rays
X rays

ASJC Scopus subject areas

  • Inorganic Chemistry

Cite this

Imhof, D., Burckhardt, U., Dahmen, K. H., Joho, F., & Nesper, R. (1997). Synthesis and Crystal Structure Determination of Bifunctional Phosphine-Linked Triplatinum Double-Cluster Complexes. Inorganic Chemistry, 36(9), 1813-1820.

Synthesis and Crystal Structure Determination of Bifunctional Phosphine-Linked Triplatinum Double-Cluster Complexes. / Imhof, Daniel; Burckhardt, Urs; Dahmen, Klaus Hermann; Joho, Felix; Nesper, Reinhard.

In: Inorganic Chemistry, Vol. 36, No. 9, 23.04.1997, p. 1813-1820.

Research output: Contribution to journalArticle

Imhof, D, Burckhardt, U, Dahmen, KH, Joho, F & Nesper, R 1997, 'Synthesis and Crystal Structure Determination of Bifunctional Phosphine-Linked Triplatinum Double-Cluster Complexes', Inorganic Chemistry, vol. 36, no. 9, pp. 1813-1820.
Imhof, Daniel ; Burckhardt, Urs ; Dahmen, Klaus Hermann ; Joho, Felix ; Nesper, Reinhard. / Synthesis and Crystal Structure Determination of Bifunctional Phosphine-Linked Triplatinum Double-Cluster Complexes. In: Inorganic Chemistry. 1997 ; Vol. 36, No. 9. pp. 1813-1820.
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abstract = "Reactions of [Pt3(μ-CO)3(PCy3)3] (1) and [Pt3(μ-CNXyl)2(μ-CO)(CNXyl)(PCy3) 2] (2) (Cy = C6H11, Xyl = C8H9) with 1/2 equiv of a bifunctional metal phosphine cation [(MPR′2)2(R)]2+ (M = Cu, Ag, Au; R = C6H4, (CH2)2C6H4, Fe(C5H5); R′ = C6H5, C6H11) yielded quantitatively [{Pt3(μ-CO)3(PCy3)3} 2{(MPR′2)2 (R)}]2+ and [(Pt3(μ-CNXyl)2-(μ-CO)(CNXyl)(PCy3) 2}2{(MPR′2)2(R)}] 2+, respectively. The compounds were characterized by IR-, MS-, and 31P-NMR spectroscopy. The X-ray structure is given for [{Pt3(μ-CO)3(PCy3)3} 2{(AuPPh2)2(CH2)2C 6H4)}][PF6]2 (14), which crystallizes in the triclinic space group P1̄ with Z= 1, a = 15.350 {\AA}. b = 17.150 {\AA}, c = 20.446 {\AA}, α = 84.54°, β= 84.84°, and γ = 64.56°. The structure was refined to R = 0.0435 for the 8430 observed reflections (I > 3σ(I)).",
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N2 - Reactions of [Pt3(μ-CO)3(PCy3)3] (1) and [Pt3(μ-CNXyl)2(μ-CO)(CNXyl)(PCy3) 2] (2) (Cy = C6H11, Xyl = C8H9) with 1/2 equiv of a bifunctional metal phosphine cation [(MPR′2)2(R)]2+ (M = Cu, Ag, Au; R = C6H4, (CH2)2C6H4, Fe(C5H5); R′ = C6H5, C6H11) yielded quantitatively [{Pt3(μ-CO)3(PCy3)3} 2{(MPR′2)2 (R)}]2+ and [(Pt3(μ-CNXyl)2-(μ-CO)(CNXyl)(PCy3) 2}2{(MPR′2)2(R)}] 2+, respectively. The compounds were characterized by IR-, MS-, and 31P-NMR spectroscopy. The X-ray structure is given for [{Pt3(μ-CO)3(PCy3)3} 2{(AuPPh2)2(CH2)2C 6H4)}][PF6]2 (14), which crystallizes in the triclinic space group P1̄ with Z= 1, a = 15.350 Å. b = 17.150 Å, c = 20.446 Å, α = 84.54°, β= 84.84°, and γ = 64.56°. The structure was refined to R = 0.0435 for the 8430 observed reflections (I > 3σ(I)).

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