Accession Number : AD0653611

Title :   ATOM RECOMBINATION PART I. HALOGEN ATOMS; PART II. SINGLET MOLECULAR OXYGEN.

Descriptive Note : Final scientific rept., Jan 63-Apr 67,

Corporate Author : BRITISH COLUMBIA UNIV VANCOUVER DEPT OF CHEMISTRY

Personal Author(s) : Ogryzlo,E. A.

Report Date : JUN 1967

Pagination or Media Count : 33

Abstract : The research includes an investigation of the complex mechanisms involved in the recombination of certain atoms, halogens and oxygen. Electrical discharge produced the atoms and their concentration was measured as a function of time by a titration procedure and with an isothermal calorimetric atom-detector. Major conclusions resulting from this investigation are: (1) Excited oxygen molecules can be prepared with an electrical discharge. Kinetic studies with these species are possible since the concentration of species as a function of time can be measured calorimetrically or spectroscopically. (2) The excited molecules of O2 are formed in an energy disproportionation process. (3) Two molecules of oxygen can combine their energies and emit it as a single photon. The temperature dependence of the rate constant indicates that the emission comes from a colliding pair of molecules. (4) O2 can dissociate ozone. (5) The dissociation of molecular iodine atoms with the oxygen molecule was observed. (Author)

Descriptors :   (*RECOMBINATION REACTIONS, REACTION KINETICS), (*HALOGENS, RECOMBINATION REACTIONS), (*OXYGEN, RECOMBINATION REACTIONS), CHLORINE, BROMINE, IODINE, LUMINESCENCE, MOLECULAR ENERGY LEVELS, GROUND STATE, EXCITATION, ELECTRIC DISCHARGES, CALORIMETRY, SPECTROSCOPY, DISPROPORTIONATION, OZONE, DISSOCIATION, EMISSIVITY, CANADA

Subject Categories : Radiation and Nuclear Chemistry
      Atomic and Molecular Physics and Spectroscopy

Distribution Statement : APPROVED FOR PUBLIC RELEASE