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Volumn 340, Issue 3, 1988, Pages

Photochemical synthesis and structural characterization of (η5-C5Me5)3Mo3(CO)4(μ2-H)(μ3-O): an unprecedented 46-electron trimolybdenum cluster containing a localized monoprotonated MoMo double bond

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Indexed keywords


EID: 3843112216     PISSN: 0022328X     EISSN: None     Source Type: Journal    
DOI: 10.1016/0022-328X(88)80033-0     Document Type: Article
Times cited : (13)

References (36)
  • 1
    • 84918157464 scopus 로고    scopus 로고
    • (a) C.P. Gibson, J.A. Mahood, J.-S. Huang, and L.F. Dahl, Abstr. Papers, 187th Nat. Meet. Am. Chem. Soc., St. Louis, MO: American Chemical Society, Washington DC, 1984, INOR 202
  • 2
    • 84918157463 scopus 로고    scopus 로고
    • (b) J.A. Mahood, C.P. Gibson, and L.F. Dahl, Abstr. Papers, 190th Nat. Meet. Am. Chem. Soc., Chicago, IL; American Chemical Society, Washington DC, 1985, INOR 77
  • 3
    • 84918157462 scopus 로고    scopus 로고
    • (c) C.P. Gibson, B.R. Adams, and L.F. Dahl, Abstr. Papers, 190th Nat. Meet. Am. Chem. Soc., Chicago, IL; American Chemical Society, Washington DC, 1985, INOR 73.
  • 5
    • 84918157461 scopus 로고    scopus 로고
    • (a) C.P. Gibson, J.A. Mahood, J.-S. Huang, and L.F. Dahl, Abstr. Papers, 187th Nat. Meet. Am. Chem. Soc., St. Louis, MO: American Chemical Society, Washington DC, 1984, INOR 202
  • 6
    • 84918157460 scopus 로고    scopus 로고
    • (b) J.A. Mahood, C.P. Gibson, and L.F. Dahl, Abstr. Papers, 190th Nat. Meet. Am. Chem. Soc., Chicago, IL; American Chemical Society, Washington DC, 1985, INOR 77
  • 7
    • 84918157459 scopus 로고    scopus 로고
    • (c) C.P. Gibson, B.R. Adams, and L.F. Dahl, Abstr. Papers, 190th Nat. Meet. Am. Chem. Soc., Chicago, IL; American Chemical Society, Washington DC, 1985, INOR 73.
  • 8
    • 84918157458 scopus 로고    scopus 로고
    • C.P. Gibson and L.F. Dahl, Organometallics, in press.
  • 14
    • 84918157457 scopus 로고    scopus 로고
    • 2O (which also is the likely source of the bridging hydrogen atom) have been implicated as sources of triply bridging oxygen atoms in other oxo-capped triangular molybdenum-based mixed-metal clusters [1,2,10].
  • 16
    • 84918157456 scopus 로고    scopus 로고
    • 3 molecule and a centrosymmetrically disordered THF molecule) was determined from an interpretation of a Patterson map followed by successive Fourier and [[Truncated]]
  • 19
    • 84918157455 scopus 로고    scopus 로고
    • Evidence for the existence of these π-acceptor semibridging carbonyl ligands is given by: (1) abnormally small Mo(2)C(2)O(2) and Mo(2)C(4)O(4) bond angles of 157.6(5) and 158.6(6)°, respectively; (2) the sharply acute Mo(1)Mo(2)C(2) and Mo(3)Mo(2)C(4) bond angles of 58.9(2) and 59.6(2)°, respectively; and (3) the relatively short carbonyl carbon distance to the second metal atom of 2.535(7) Å for the C(2) … Mo(1) interaction and 2.559(7) Å for the C(4) … Mo(3) interaction. These values are entirely consistent with the structural data recently tabulated by Crabtree and Lavin [15] in their detailed analysis of the bent semibridging carbonyl ligand.
  • 21
    • 84918157454 scopus 로고    scopus 로고
    • L.F. Dahl, Stereochemical Analysis of Various Transition Metal Hydride Clusters and Resulting Bonding Implications, in Annals of the New York Academy of Science on Catalytic Transition Metal Hydrides, Jan. 1984, pp. 1–26, and refs. cited therein.
  • 22
    • 84918157453 scopus 로고    scopus 로고
    • 5 ligands that are bound to the mirror-related and unique Mo atoms, respectively; the latter high-field resonance is readily attributed to a molybdenum-bound hydride ligand [18,19].
  • 23
    • 84918157452 scopus 로고    scopus 로고
    • 3 displayed a high-field doublet for the hydrido atom at [[Truncated]]
  • 26
    • 0010811366 scopus 로고
    • Neutron diffraction studies of the metal-hydrogen-metal bond. I. Symmetric, bent, three-center, two-electron molybdenum-hydrogen-molybdenum bond in .mu.-hydrido-.mu.-dimethylphosphido-bis(.eta.5-cyclopentadienyldicarbonylmolybdenum)
    • (Neutron diffraction study)
    • (1974) Journal of the American Chemical Society , vol.96 , pp. 6610
    • Petersen1    Dahl2    Williams3
  • 30
    • 84918157451 scopus 로고    scopus 로고
    • C.P. Gibson and L.F. Dahl, Organometallics, in press.
  • 32
    • 0000853619 scopus 로고
    • Crystallographic studies of transition metal hydride complexes
    • and refs. cited therein.
    • (1981) Struct. Bonding , vol.4 , pp. 1
    • Teller1    Bau2
  • 33
    • 84918157450 scopus 로고    scopus 로고
    • 3-O) core (which has a MoMo distance of 2.916(1) Å and two ReMo distances of 2.913(1) and 3.010(1) Å) is attributed to a [[Truncated]]
  • 34
    • 84918157449 scopus 로고    scopus 로고
    • 2Re molecule and a centrosymmetrically ordered one-half hexane molecule were located from a Patterson map (which gave initial metal coordinates) and subsequent Fourier and difference maps. Least-squares refinement (RAELS [12]) with 238 variables converged [[Truncated]]


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