The Unstable Species and the Isotope Effect in the Pyrolysis of Diborane in a Shock Tube

Fehlner, Thomas P.; Koski, W. S.

doi:10.1021/ja01060a008

Cited by 12 publications

(4 citation statements)

References 2 publications

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“…Furthermore, even solid products were formed in the reactor. One of these could have been decaborane, which was also suggested in thermal decomposition by Bragg et al [18] and Fehlner et al [19]. The thermal decomposition of diborane was relatively slow at temperatures below 200°C, whereas at higher temperatures the decomposition proceeded with a higher rate.…”

Section: Thermal Decomposition Of Diboranementioning

confidence: 71%

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Catalyst Deactivation in Diborane Decomposition

et al. 2005

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Section: Thermal Decomposition Of Diboranementioning

confidence: 71%

“…These proposed products correspond well with the product distribution obtained in the current study. If the mechanism is extended to contain also the pyrolysis of heavier boron hydrides, the formation of hexaborane can be explained (table 2, entries [15][16][17][18][19][20][21][22][23][24].…”

Section: Thermal Decomposition Of Diboranementioning

confidence: 99%

Catalyst Deactivation in Diborane Decomposition

et al. 2005

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“…Pentaborane (9) and pentaborane(ll), hexaborane, heptaborane, octaborane, nonaborane, and decaborane were produced under the present experimental conditions. Pentaboranes were first observed to an appreciable extent (0.2% of the B4Hi0) at 150°.…”

Section: Discussionmentioning

confidence: 86%

Mass Spectrometric Investigation of the Pyrolysis of Boranes. Tetraborane(10)¹

Baylis¹,

Pressley²,

Gordon³

et al. 1966

J. Am. Chem. Soc.

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The intermediates produced in the pyrolysis of "B4Hi0 were studied with an "integral furnace" mass spectrometer with reactor temperatures between 10 and 285°. The reactor pressure of B4H10 was ca. 10~5•2 atm. B4H8 was identified as an intermediate produced in the pyrolysis. Diborane as well as a combination of pentaboranes (B5H8 and B5Hn), hexaborane, a combination of heptaboranes, octaborane, decaborane, and possibly nonaborane also were observed. Monoborane and triborane were not observed, but quantities small compared to B4H8 could not be excluded.

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“…The second class of spectra contains both the spectrum of B7Hi2,3 and the composite spectrum, B7Hu with B7Hi3. 4 The fragmentation patterns in those two spectra are so similar that we shall treat them as one. The major difference is the lack of a peak at mass 90 in the B7Hi2 spectrum.…”

Section: Resultsmentioning

confidence: 99%