Silanone (SiH2O) and silanol (SiH3OH) are species believed to be important in the
Chapter 2, Problem 2.16(choose chapter or problem)
Silanone (SiH2O) and silanol (SiH3OH) are species believed to be important in the oxidation of silane (SiH4). These species are much more elusive than their carbon counterparts. C.L. Darling and H.B. Schlegel (J. Phys. Chem. 97, 8207 (1993)) report the following values (converted from calories) from a computational study: fH7(SiH2O) = 98.3 kJ mol1 and fH7(SiH3OH) = 282 kJ mol1 . Compute the standard enthalpies of the following reactions: (a) SiH4(g) + 12 O2(g)SiH3OH(g) (b) SiH4(g) + O2(g)SiH2O(g) + H2O(l) (c) SiH3OH(g)SiH2O(g) + H2(g) Note that fH7(SiH4, g) = +34.3 kJ mol1 (CRC Handbook (2004)).
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