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A priori rate constant for the reaction of BH with NO

✍ Scribed by L.F. Phillips

Publisher: Elsevier Science
Year: 1990
Tongue: English
Weight: 544 KB
Volume: 168
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(90)85129-z

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✦ Synopsis

The reaction involves two short-lived collision complexes, BHNOf and HBONt, which rearrange to products BO+NH via the same cyclic transition state. The overall rate constant depends on the rates of complex formation by capture over the centrifugal barrier in the dipole-dipole potential, and the rates of unimolecular decomposition and rearrangement of the complexes. RRKMtype calculations give acceptable values for the rate of rearrangement, but give unreasonably large values for the rate of dissociation because the system is small. Good agreement with experiment is obtained when the reciprocal of the collision duration is used for the complex dissociation rate.

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