Mass Spectrum and Vapor Pressure of Pentaborane-d9
- 1 April 1957
- journal article
- research article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 26 (4) , 798-801
- https://doi.org/10.1063/1.1743408
Abstract
The complete mass spectrum of pentaborane‐d9 and a partial mass spectrum of pentaborane‐d8 have been calculated from the spectra of a series of samples of different hydrogen content. The vapor pressure for pentaborane‐d9 containing 3.9% of the B5D8H species can be expressed by the equation log10Pmm=9.46916 — 0.0028783T — 1870.70/T over the temperature of — 25°C to +56°C. The melting point is — 47.0°C. By way of comparison the vapor pressure equation for pentaborane is log10Pmm=9.49191 — 0.0028956T — 1881.29/T; the melting point is — 46.8°C.Keywords
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