Sulphur dioxide reactions of metal carbonyls and cyclopentadienyl metal carbonyls containing metal-metal bonds

Field, D. S.; Newlands, M. J.

doi:10.1016/s0022-328x(00)80569-0

Cited by 36 publications

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References 22 publications

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“…The structure of III , Figure , contains two edge-bridging sulfur dioxide ligands, and the terminal carbonyls adopt an eclipsed configuration. A similar compound, [Fe 2 (CO) 8 (SO 2 )], prepared from iron nonacarbonyl, has one edge-bridging SO 2 . − The Fe−Fe bond distance for III (2.621(3) Å) is significantly shorter than that of [Fe 2 (CO) 8 (SO 2 )] (2.717(4) Å) and slightly longer than the Fe−Fe bond distance for diiron nonacarbonyl (2.46 Å); additional bond length data are provided in Table . The O−S−O angles for III (110.2(3), and 110.2(4)°) are less than those for [Fe 2 (CO) 8 (SO 2 )] (113.9(7)°).…”

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confidence: 99%

New SO₂Iron-Containing Cluster Compounds [PPN]₂[Fe₃(CO)₉(μ₃,η²-SO₂)], [PPN]₂[Fe₃(CO)₈(μ-SO₂)μ₃-S], [PPN]₂[Fe₃(CO)₈(μ-SO₂)(μ₃-CCO)], and [PPN]₂[Fe₂(CO)₆(μ-SO₂)₂] from Heterometal Precursors

et al. 1999

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Sulfur dioxide reacts with [PPN](2)[MFe(3)(CO)(14)] (M = Cr, Mo, W) (PPN = bistriphenylphosphonium iminium) to produce [PPN](2)[Fe(3)(CO)(9)(&mgr;(3),eta(2)-SO(2))] (I) and [PPN](2)[Fe(3)(CO)(8)(&mgr;-SO(2))&mgr;(3)-S] (II), which were characterized by infrared spectroscopy, (13)C NMR, and X-ray crystallography. Further reaction of I with sulfur dioxide results in the formation of II in 48% yield. Reaction of SO(2) with [PPN](2)[Fe(4)(CO)(13)] yields [PPN](2)[Fe(2)(CO)(6)(&mgr;-SO(2))(2)] (III) which was characterized by infrared spectroscopy, (13)C NMR, mass spectrometry, and X-ray crystallography. One equivalent of sulfur dioxide with [PPN](2)[MFe(3)(CO)(14)C] (M = Cr, W) produces [PPN](2)[Fe(3)(CO)(8)(&mgr;-SO(2))(&mgr;(3)-CCO)] (IV), which on further reaction with SO(2) gives the known cluster [PPN](2)[Fe(3)(CO)(7)(&mgr;-SO(2))(2)(&mgr;(3)-CCO)] (V). An excess of sulfur dioxide with [MFe(3)(CO)(n)()C](x)()(-) (M = Cr, W: n =13, x = 2; M = Rh: n = 12, x = 1; M = Mn: n = 13, x = 1) produced V as the only identified product. Crystallographic data for I.0.5CH(2)Cl(2): monoclinic, Cc (no. 9), a = 29.7648(3) Å, b = 14.6496(1) Å, c = 21.7620(3) Å, beta = 123.397(1) degrees, V = 7922.3 Å(3); Z = 4. Crystallographic data for III.NCCH(3): monoclinic P2(1) (no. 4), a = 10.0295(5) Å, b = 26.356(1) Å, c = 14.1032(7) Å, beta = 94.691 degrees, V = 3715.6(3) Å(3); Z = 4.

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Section: Resultsmentioning

confidence: 99%

New SO₂Iron-Containing Cluster Compounds [PPN]₂[Fe₃(CO)₉(μ₃,η²-SO₂)], [PPN]₂[Fe₃(CO)₈(μ-SO₂)μ₃-S], [PPN]₂[Fe₃(CO)₈(μ-SO₂)(μ₃-CCO)], and [PPN]₂[Fe₂(CO)₆(μ-SO₂)₂] from Heterometal Precursors

et al. 1999

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2018

Vibrational Spectra of Organometallics

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Bis(pentamethylcyclopentadienyl)germanium und ‐zinn sowie (Pentamethylcyclopentadienyl)germanium‐ und ‐zinn‐Kationen: Synthese, Struktur und Bindungsverhältnisse

et al. 1980

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Synthese und Eigenschaften des Bis(pentarnethylcyclopentadieny1)germaniums (2) und -zinns (1) sowie der ionischen (Pentamethy1cyclopentadienyl)gerrnanium-und -zinn-tetrafluoroborate 4 und 3 werden beschrieben. Die Strukturen von 1 -4 resultieren aus spektroskopischen und analytischen Daten sowie im Falle von 1 und 3 auch aus Rontgenstrukturanalysen. Elektronenstruktur und Bindungsverhaltnisse in 1 -4 werden auf der Basis von MO-Modellrechnungen diskutiert.Bis(pentamethylcyclopentadienyl)germanium and -tin and (Pentamethylcyclopentadieny1)germanium-and -tin Cations: Synthesis, Structure, and Bonding Properties Synthesis and properties of bis(pentarnethylcyclopentadieny1)germanium (2) and -tin (1) and of the ionic (pentamethylcyclopentadieny1)germaniurn-and -tin tetrafluoroborates 4 and 3 are described. The structures of 1 -4 result from spectroscopic and analytical data and in the case of 1 and 3 also from X-ray structure analyses. The bonding in 1 -4 is discussed on the basis of model MO calculations.In vorangegangenen Untersuchungen hatten wir uns mit der Synthese und mit einigen Reaktionen von (Pentamethylcyclopentadieny1)zinn-Verbindungen beschaftigt'). In den Massenspektren der permethylierten Cyclopentadienylhalogenstannane hatten wir des ofteren das Auftreten einer Spezies der relativen Masse m/e = 255 beobachtet, welche der Zusammensetzung C5Me5Sni entspricht. Uber ahnliche Befunde an Cyclopentadienylverbindungen der 4B-Elernente wurde rnehrfach berichtet. So zeigen insbesondere die Massenspektren des Dicyclopentadienylzinn~~~~), des Cyclopentadienylzinn(1l)-chlorids4) und des Di~yclopentadienylgermaniums~) die Spezies C5H5Sn+ bzw. C5H5Gef mit sehr hoher Intensitat. Fur die grol3e Bildungstendenz dieser Ionen spricht auch ihr Auftreten in den Massenspektren von Dicarbonyl(cyclopentadieny1)eisenKomplexen mit eisenstandigen StannyL6r7) und Gerrnylliganden*), zurnal in diesen Verbindungen zunachst keine direkte Cyclopentadienyl-4B-Element-Bindung vorliegt.Angesichts dieser Ergebnisse erhob sich die Frage, ob derartige ionische Spezies auf praparativem Wege zuganglich sind. Hierfur sahen wir insofern eine Chance, als wir diesen Kationen die axial-syrnmetrische, pentagonal-pyramidale Struktur eines nido-Clusters zuordneten, welche sich

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Sulphur dioxide reactions of metal carbonyls and cyclopentadienyl metal carbonyls containing metal-metal bonds

Cited by 36 publications

References 22 publications

New SO₂Iron-Containing Cluster Compounds [PPN]₂[Fe₃(CO)₉(μ₃,η²-SO₂)], [PPN]₂[Fe₃(CO)₈(μ-SO₂)μ₃-S], [PPN]₂[Fe₃(CO)₈(μ-SO₂)(μ₃-CCO)], and [PPN]₂[Fe₂(CO)₆(μ-SO₂)₂] from Heterometal Precursors

New SO₂Iron-Containing Cluster Compounds [PPN]₂[Fe₃(CO)₉(μ₃,η²-SO₂)], [PPN]₂[Fe₃(CO)₈(μ-SO₂)μ₃-S], [PPN]₂[Fe₃(CO)₈(μ-SO₂)(μ₃-CCO)], and [PPN]₂[Fe₂(CO)₆(μ-SO₂)₂] from Heterometal Precursors

References

Bis(pentamethylcyclopentadienyl)germanium und ‐zinn sowie (Pentamethylcyclopentadienyl)germanium‐ und ‐zinn‐Kationen: Synthese, Struktur und Bindungsverhältnisse

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Sulphur dioxide reactions of metal carbonyls and cyclopentadienyl metal carbonyls containing metal-metal bonds

Cited by 36 publications

References 22 publications

New SO2Iron-Containing Cluster Compounds [PPN]2[Fe3(CO)9(μ3,η2-SO2)], [PPN]2[Fe3(CO)8(μ-SO2)μ3-S], [PPN]2[Fe3(CO)8(μ-SO2)(μ3-CCO)], and [PPN]2[Fe2(CO)6(μ-SO2)2] from Heterometal Precursors

New SO2Iron-Containing Cluster Compounds [PPN]2[Fe3(CO)9(μ3,η2-SO2)], [PPN]2[Fe3(CO)8(μ-SO2)μ3-S], [PPN]2[Fe3(CO)8(μ-SO2)(μ3-CCO)], and [PPN]2[Fe2(CO)6(μ-SO2)2] from Heterometal Precursors

References

Bis(pentamethylcyclopentadienyl)germanium und ‐zinn sowie (Pentamethylcyclopentadienyl)germanium‐ und ‐zinn‐Kationen: Synthese, Struktur und Bindungsverhältnisse

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New SO₂Iron-Containing Cluster Compounds [PPN]₂[Fe₃(CO)₉(μ₃,η²-SO₂)], [PPN]₂[Fe₃(CO)₈(μ-SO₂)μ₃-S], [PPN]₂[Fe₃(CO)₈(μ-SO₂)(μ₃-CCO)], and [PPN]₂[Fe₂(CO)₆(μ-SO₂)₂] from Heterometal Precursors

New SO₂Iron-Containing Cluster Compounds [PPN]₂[Fe₃(CO)₉(μ₃,η²-SO₂)], [PPN]₂[Fe₃(CO)₈(μ-SO₂)μ₃-S], [PPN]₂[Fe₃(CO)₈(μ-SO₂)(μ₃-CCO)], and [PPN]₂[Fe₂(CO)₆(μ-SO₂)₂] from Heterometal Precursors