THE HEATS OF SUBLIMATION OF XeF$sub 2$ AND XeF$sub 4$ AND A CONJECTURE ON BONDING IN THE SOLIDS
Journal Article
·
· Journal of the American Chemical Society (U.S.)
The heats of sublimation ( DELTA H/sub sub/ were determined by measuring the temperature dependence of the vacuum uv absorption bands of the gas in thermal equilibrium with the crystals. A Clausius-Clayperon plot of the data gives the following values of DELTA H/sub sub/: XeF/sub 2/, 12.3 plus or minus 0.2 kcal/mole; XeF/sub 4/, 15.3 plus or minus 0.2 kcal/mole. The interpretation of these large DELTA H/sub sub/ values is considered, and it is concluded that the dominant contribution to the stability of XeF/sub 2/ and XeF/ sub 4/ arises from electrostatic interactions. The discrepancy in the Xe-- F bond length of XeF/sub 2/ estimated from the separation of the unresolved infrared P and R branches and that calculated from x-ray data, is considered briefly. (D.L.C.)
- Research Organization:
- Univ. of Chicago
- NSA Number:
- NSA-17-018038
- OSTI ID:
- 4736592
- Journal Information:
- Journal of the American Chemical Society (U.S.), Journal Name: Journal of the American Chemical Society (U.S.) Vol. Vol: 85; ISSN JACSA
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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