Thermochemical Properties of Xenon Difluoride and Xenon Tetrafluoride from Mass Spectra

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Science  15 Nov 1963:
Vol. 142, Issue 3594, pp. 954-955
DOI: 10.1126/science.142.3594.954


The standard heats of formation for gaseous xenon tetrafluoride and xenon difluoride and the average strength of the bonds in these molecules have been determined from appearance-potential data obtained with a mass spectrometer. The experimental values are compatible with theoretical estimates of these quantities.