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Semi-bridging carbonyl ligands

The increased abundance of the C3 isomer with increasing ligand basicity presumably occurs because the semi-bridging carbonyl attached to the substituted metal can become more full-bridging and remove the excess electron density released by the basic phosphine. Consistent with this hypothesis is the... [Pg.118]

A number of bimetallic complexes which contain bridging alkylidene and vinylidene ligands semi-bonded to palladium are known, and as these also contain bridging carbonyl ligands, they are discussed in Section 8.04.1.8. In these dimers, the carbene ligand is more closely associated with the early transition metal, for which Schrock-type carbene complexes are well known. [Pg.218]

Va(CO)5Cpal contains V(CO)aCp and V(CO)Cp groups linked by a metal-metal bond and two semi-bridging carbonyls. Reaction with PPhs causes substitution of the carbonyl ligand of the V(CO)Cp moiety. ... [Pg.194]

Reaction with S-Donors. A somewhat similar (o+ir) 4-electron donation is also exhibited by thioketones in their adducts with Cp2Mo2(C0h (22). In this instance, one of the carbonyls trans to the R2CS ligand adopts a semi-bridging bonding mode (eq. 22). [Pg.230]

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See also in sourсe #XX -- [ Pg.175 , Pg.943 ]



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Bridging ligands

Carbonyl ligands

Ligand bridging carbonyl

Ligand-bridged

Semi-bridging ligands

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