Heterometallic complexes with selenolate ligands: Crystal structures of [(CO)3mn(μ-SePh)3Co(μ-SePh)3Mn(CO) 3]-,(CO)4Mn(μ-SeMe) 2Co(CO)(μ-SeMe)3Mn(CO)3, and [(CO)3Mn(μ-SePh)3Mn(CO)3]-

Wen Feng Liaw, Way Zen Lee, Chun Yuan Wang, Gene Hsiang Lee, Shie Ming Peng

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Abstract

Oxidation of Co2+ by diphenyl diselenide in the presence of cis-[PPN][Mn(CO)4(SePh)2], followed by carbonyl shift from Mn(I) to Co(III) and a benzeneselenolate group rearranging to bridge two metals, led directly to the thermally unstable (CO)4Mn(μ-SePh)2Co(CO)(μ-SePh) 3Mn(CO)3. Dropwise addition of [PPN][SePh] to the neutral (CO)4Mn(μ-SePh)2Co(CO)(μ-SePh) 3Mn(CO)3 resulted in formation of a linear trinuclear complex possessing a hexaselenolatecobalt(III) core, [PPN][(CO)3Mn(μ-SePh)3Co(μ-SePh) 3Mn(CO)3]. This complex crystallized in the triclinic space group P1̄ with a = 10.878(1) Å = 15.095(2) Å, c = 25.372(4) Å, α = 95.04(1)°, β= 95.00(1)°, γ = 91.52(2)°, V = 4132(2) Å3, and Z = 2; final R = 0.042 and Rw = 0.042. In contrast, the thermally unstable da-[PPN][Mn(CO)4(SeMe)2], which was reacted with Co(C104)2·6H2O and (MeSe)2 in THF under a nitrogen atmosphere, led to the isolation of the stable heterometallic selenolate (CO)4Mn(μ-SeMe)2Co(CO)(μ-SeMe) 3Mn(CO)3. Crystal data: monoclinic space group C2/c, a = 28.41.3(7) Å, b = 11.091(3) Å, c = 22.849(6) Å, β= 125.06(3)°, V = 5894(3) Å3, and Z = 8; final R = 0.047 and Rw = 0.048. The results indicated that the distinct electronic effects between methaneselenolate and benzeneselenolate play a key role in stabilizing the neutral Mn(I)-Co(III)-Mn(I)-selenolate complexes.

Original languageEnglish
Pages (from-to)1253-1257
Number of pages5
JournalInorganic Chemistry
Volume36
Issue number6
Publication statusPublished - 1997 Dec 1

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Carbon Monoxide
Crystal structure
Ligands
ligands
crystal structure
isolation
nitrogen
atmospheres
oxidation
shift
electronics
crystals
Atmosphere
Nitrogen
Metals

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry

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Heterometallic complexes with selenolate ligands : Crystal structures of [(CO)3mn(μ-SePh)3Co(μ-SePh)3Mn(CO) 3]-,(CO)4Mn(μ-SeMe) 2Co(CO)(μ-SeMe)3Mn(CO)3, and [(CO)3Mn(μ-SePh)3Mn(CO)3]-. / Liaw, Wen Feng; Lee, Way Zen; Wang, Chun Yuan; Lee, Gene Hsiang; Peng, Shie Ming.

In: Inorganic Chemistry, Vol. 36, No. 6, 01.12.1997, p. 1253-1257.

Research output: Contribution to journalArticle

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title = "Heterometallic complexes with selenolate ligands: Crystal structures of [(CO)3mn(μ-SePh)3Co(μ-SePh)3Mn(CO) 3]-,(CO)4Mn(μ-SeMe) 2Co(CO)(μ-SeMe)3Mn(CO)3, and [(CO)3Mn(μ-SePh)3Mn(CO)3]-",
abstract = "Oxidation of Co2+ by diphenyl diselenide in the presence of cis-[PPN][Mn(CO)4(SePh)2], followed by carbonyl shift from Mn(I) to Co(III) and a benzeneselenolate group rearranging to bridge two metals, led directly to the thermally unstable (CO)4Mn(μ-SePh)2Co(CO)(μ-SePh) 3Mn(CO)3. Dropwise addition of [PPN][SePh] to the neutral (CO)4Mn(μ-SePh)2Co(CO)(μ-SePh) 3Mn(CO)3 resulted in formation of a linear trinuclear complex possessing a hexaselenolatecobalt(III) core, [PPN][(CO)3Mn(μ-SePh)3Co(μ-SePh) 3Mn(CO)3]. This complex crystallized in the triclinic space group P1̄ with a = 10.878(1) {\AA} = 15.095(2) {\AA}, c = 25.372(4) {\AA}, α = 95.04(1)°, β= 95.00(1)°, γ = 91.52(2)°, V = 4132(2) {\AA}3, and Z = 2; final R = 0.042 and Rw = 0.042. In contrast, the thermally unstable da-[PPN][Mn(CO)4(SeMe)2], which was reacted with Co(C104)2·6H2O and (MeSe)2 in THF under a nitrogen atmosphere, led to the isolation of the stable heterometallic selenolate (CO)4Mn(μ-SeMe)2Co(CO)(μ-SeMe) 3Mn(CO)3. Crystal data: monoclinic space group C2/c, a = 28.41.3(7) {\AA}, b = 11.091(3) {\AA}, c = 22.849(6) {\AA}, β= 125.06(3)°, V = 5894(3) {\AA}3, and Z = 8; final R = 0.047 and Rw = 0.048. The results indicated that the distinct electronic effects between methaneselenolate and benzeneselenolate play a key role in stabilizing the neutral Mn(I)-Co(III)-Mn(I)-selenolate complexes.",
author = "Liaw, {Wen Feng} and Lee, {Way Zen} and Wang, {Chun Yuan} and Lee, {Gene Hsiang} and Peng, {Shie Ming}",
year = "1997",
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journal = "Inorganic Chemistry",
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T1 - Heterometallic complexes with selenolate ligands

T2 - Crystal structures of [(CO)3mn(μ-SePh)3Co(μ-SePh)3Mn(CO) 3]-,(CO)4Mn(μ-SeMe) 2Co(CO)(μ-SeMe)3Mn(CO)3, and [(CO)3Mn(μ-SePh)3Mn(CO)3]-

AU - Liaw, Wen Feng

AU - Lee, Way Zen

AU - Wang, Chun Yuan

AU - Lee, Gene Hsiang

AU - Peng, Shie Ming

PY - 1997/12/1

Y1 - 1997/12/1

N2 - Oxidation of Co2+ by diphenyl diselenide in the presence of cis-[PPN][Mn(CO)4(SePh)2], followed by carbonyl shift from Mn(I) to Co(III) and a benzeneselenolate group rearranging to bridge two metals, led directly to the thermally unstable (CO)4Mn(μ-SePh)2Co(CO)(μ-SePh) 3Mn(CO)3. Dropwise addition of [PPN][SePh] to the neutral (CO)4Mn(μ-SePh)2Co(CO)(μ-SePh) 3Mn(CO)3 resulted in formation of a linear trinuclear complex possessing a hexaselenolatecobalt(III) core, [PPN][(CO)3Mn(μ-SePh)3Co(μ-SePh) 3Mn(CO)3]. This complex crystallized in the triclinic space group P1̄ with a = 10.878(1) Å = 15.095(2) Å, c = 25.372(4) Å, α = 95.04(1)°, β= 95.00(1)°, γ = 91.52(2)°, V = 4132(2) Å3, and Z = 2; final R = 0.042 and Rw = 0.042. In contrast, the thermally unstable da-[PPN][Mn(CO)4(SeMe)2], which was reacted with Co(C104)2·6H2O and (MeSe)2 in THF under a nitrogen atmosphere, led to the isolation of the stable heterometallic selenolate (CO)4Mn(μ-SeMe)2Co(CO)(μ-SeMe) 3Mn(CO)3. Crystal data: monoclinic space group C2/c, a = 28.41.3(7) Å, b = 11.091(3) Å, c = 22.849(6) Å, β= 125.06(3)°, V = 5894(3) Å3, and Z = 8; final R = 0.047 and Rw = 0.048. The results indicated that the distinct electronic effects between methaneselenolate and benzeneselenolate play a key role in stabilizing the neutral Mn(I)-Co(III)-Mn(I)-selenolate complexes.

AB - Oxidation of Co2+ by diphenyl diselenide in the presence of cis-[PPN][Mn(CO)4(SePh)2], followed by carbonyl shift from Mn(I) to Co(III) and a benzeneselenolate group rearranging to bridge two metals, led directly to the thermally unstable (CO)4Mn(μ-SePh)2Co(CO)(μ-SePh) 3Mn(CO)3. Dropwise addition of [PPN][SePh] to the neutral (CO)4Mn(μ-SePh)2Co(CO)(μ-SePh) 3Mn(CO)3 resulted in formation of a linear trinuclear complex possessing a hexaselenolatecobalt(III) core, [PPN][(CO)3Mn(μ-SePh)3Co(μ-SePh) 3Mn(CO)3]. This complex crystallized in the triclinic space group P1̄ with a = 10.878(1) Å = 15.095(2) Å, c = 25.372(4) Å, α = 95.04(1)°, β= 95.00(1)°, γ = 91.52(2)°, V = 4132(2) Å3, and Z = 2; final R = 0.042 and Rw = 0.042. In contrast, the thermally unstable da-[PPN][Mn(CO)4(SeMe)2], which was reacted with Co(C104)2·6H2O and (MeSe)2 in THF under a nitrogen atmosphere, led to the isolation of the stable heterometallic selenolate (CO)4Mn(μ-SeMe)2Co(CO)(μ-SeMe) 3Mn(CO)3. Crystal data: monoclinic space group C2/c, a = 28.41.3(7) Å, b = 11.091(3) Å, c = 22.849(6) Å, β= 125.06(3)°, V = 5894(3) Å3, and Z = 8; final R = 0.047 and Rw = 0.048. The results indicated that the distinct electronic effects between methaneselenolate and benzeneselenolate play a key role in stabilizing the neutral Mn(I)-Co(III)-Mn(I)-selenolate complexes.

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