Physics – Chemical Physics
Scientific paper
Aug 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980jchph..73.1381m&link_type=abstract
Journal of Chemical Physics, vol. 73, Aug. 1, 1980, p. 1381-1385.
Physics
Chemical Physics
11
Hydroxides, Iron Oxides, Meteoritic Composition, Thermochemical Properties, Vapor Phases, Chemical Bonds, Chemical Equilibrium, Electron Impact, Ground State, Ionization Potentials, Mass Spectroscopy, Upper Atmosphere, Enthalpies Of Combustion, Reaction, And Formation, Mass Spectrometry
Scientific paper
The mass spectrometry measurement of the FeOH dissociation energy by passing H2O(g) and H2(g) over Fe2O3 in the Knudsen cell is discussed. The dissociation energy of 76.9 plus or minus 4 kcal/mol was determined; the ionization potential of FeOH was 7.9 plus or minus 0.2 eV. An equilibrium involving gaseous FeO was also measured and when combined with previous data showed FeO dissociation energy of 93.0 plus or minus kcal/mol. Finally, dissociation energies were determined for reactions Fe(+) - O, Fe(+) - OH and FeO(+) - H. The similarity in bonding relating to the dissociation energies of Fe - OH and Fe - Cl is also discussed.
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