Synthesis  and Characterization of  Binuclear Complexes of 3,3',4,4'-  Tetraaminobiphenyl with Tetramminoruthenium  and bis(Bipyridine)ruthenium  Residues and their Two and Four Electron Oxidised Products. A ZINDO Study of Orbital Mixing as a Function of Ligand Oxidation State.

Robert A. Metcalfe, Luiz C. G. Vasconcellos, Hameed Mirza, Douglas W.  Franco, and A. B. P.  Lever.

J. Chem. Soc. Dalton, 1999, 2653-2667

Choose here the figures you wish to see: {modified 9/9/1999}

Figure 1- picture of molecules

Figure 2 - CV of symmetric species oxidation

Figure 3- Ceric oxidation of sym. Ru(II)(catH4.catH4)Ru(II) species

Figure 4- Ceric oxidation of asym. Ru(II)(catH4.catH4)Ru(II) species

MOs for the symmetric (qH2.catH4) species

MOs for the asymmetric (qH2.catH4) species

MOs for the symmetric (qH2.qH2) species

MOs for the asymmetric (qH2.qH2) species

comparison  frontier MOs for the  sym and asym {qH2.qH2} species  (Figure  6)

MOs for the (qH2.qH2) free ligand (Figure 5)

MOs for the (qH2.catH4) free ligand

Mixing diagram, fractional population for the symmetric species (Figure 7)

Mixing diagram, fractional population for the asymmetric species (Figure 8)

Orbital energies for the symmetric species (Figure 9)

Orbital energies for the asymmetric species (Figure 10)

The following links are to xyz files which portray the individual molecules- use CHIME to view them and rotate them etc. the sym and asym, cc, qc etc should be self-explanatory - the final "p" signifiies use of this specific structure in the paper.

For free CHIME software, visit here.

symccp.xyz

symqcp.xyz

symqqp.xyz

asymccp.xyz

asymqcp.xyz

asymqqp.xyz

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