ADDITION AND SUBSTITUTION PRODUCTS OF OXYGEN FLUORIDES.
Annual progress rept. no. 5, 1 Jan-31 Dec 64,
TEMPLE UNIV PHILADELPHIA PA RESEARCH INST
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Experiments on preparation of new oxygen fluorides with the content of oxygen higher than in the previously prepared OxFy compounds were made. Compounds with the average elementary composition of O4.7F2.0, O4.9F2.0 and O6.0F2.0 were obtained. The method of preparation of O4F2 has been improved and the following properties of tetraoxygen difluoride determined melting point, 82 2K. normal boiling point, 194K. vapor pressure, log P sub mm. 5.9-585T thermal stability solubility in liquid nitrogen, oxygen and Freons molar extinction coefficients in the visible range and E.P.R. spectrum. A method of chemical analysis of O4F2 is given. New data on characterization of oxygen fluorides have been obtained. Molar extinction coefficients and E.P.R. spectrum of OF2 have been determined and a comparison of the thermal stability, vapor pressure and the absorption and E.P.R. spectra of all the oxygen fluorides is given. Reaction of oxygen difluoride with xenon at room temperature and ordinary pressure leading to XeF2 was discovered and is described.