Multiple substitution effects and three-dimensional nonlinear free-energy relationships in the electrochemical reduction of the N,N'-dibenzyl viologen and the 4-benzoyl-N-benzylpyridinium cation
Article Abstract:
The simultaneous effect of two substituents on the redox potentials, E sub 1/2's, of N,N' -di(p-substituted benzyl)- viologens (1-X, Y) and of 4-(p-substituted benzoyl)-N-(p-substituted benzyl) pyridinium cations (2-X,Y), is investigated in terms of the substituent constants, sigma p-X and sigma p-Y. Systems 1-X,Y and 2-X,Y are selected at random for all practical purposes.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2004
User Contributions:
Comment about this article or add new information about this topic:
Potential dependent orientation of acetonitrile on platinum (111) electrode surface studied by sum frequency generation
Article Abstract:
Sum frequency generation (SFG) vibrational spectroscopy is used to investigate the orientation of acetonitrile (CH3CN) and Pt (111) electrode. The SFG results indicate that acetronitrile orients in response to the electrode potential with the C-C bond, C3 symmetry axis, perpendicular to the surface.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2001
User Contributions:
Comment about this article or add new information about this topic:
The redox chemistry of 4-benzoyl-N-methylpyridinium cations in acetonitrile with and without proton donors: the role of hydrogen bonding
Article Abstract:
In anhydrous CH(sub 3)CN, 4-benzoyl-N-methylpyridinium cations have undergone two reversible reductions, which are in analogy to quinones and viologens. Results showed that rigorous exclusion of proton donors make extended operational lifetimes possible.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2001
User Contributions:
Comment about this article or add new information about this topic:
- Abstracts: Ultrafast two-dimensional infrared vibrational echo chemical exchange experiments and theory. Transformed poisson-boltzmann relations and ionic distributions
- Abstracts: The effects of structural and microenvironmental disorder on the electronic properties of poly[2-methoxy,5-(2'-ethyl-hexoxy)-1,4-phenylene vinylene) (MEH-PPV) and related oligomers
- Abstracts: Supermolecular structure and dynamics of organic molecules adsorbed on the external surface of MGI zeolites. A direct and indirect computational EPR analysis
- Abstracts: Theory of self-assembled tubules and helical ribbons. Structure-property correlations in model compounds of oligomer liquid crystals
- Abstracts: Nonideal elasticity in liquid crystals elastomers. The effect of quasispherical solutes on the smectic-A-nematic and nematic-isotropic phase equilibria in p-n-alkyl-p'-cyanobiphenyl liquid crystals