Abstract
A concept for the catalytic decomposition of nitric oxide to N2 and O2 has been developed and subjected to experimental verification. The model requires a cis-coplanar, gem-dinitrosyl transition metal microstructure, containing 1 bent (activated) and 1 linear nitrosyl, to overcome the M.O. symmetry restriction to the concerted decomposition of two NO molecules to N2 and O2.
gem-Dinitrosyl transition metal complexes were synthesized, and the mode of decomposition of the dinitrosyl moieties to N2, NO, or N2O was examined as a function of the metals’ d-electron density, their non-bonding d-electron energy levels, their inner sphere coordination numbers, the ligand environment, and the dinitrosyl stereochemistry.
The results of these studies to date indicate that the dinitrosyl can be forced to selectively and rapidly decompose to N2 although the evolved O2 reacted in all cases with the ligand or metal. The thermal decomposition data utilizing dinitrosyls with well-defined X-ray structures supports the proposed gem-dinitrosyl structural requirements for a NO decomposition scheme.
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© 1975 Plenum Press, New York
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Moser, W.R. (1975). Fundamental Approaches to the Decomposition of Nitric Oxide: The Transition Metal Dinitrosyl Model. In: Klimisch, R.L., Larson, J.G. (eds) The Catalytic Chemistry of Nitrogen Oxides. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-8741-5_3
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DOI: https://doi.org/10.1007/978-1-4615-8741-5_3
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