The reaction energy profile for H q OH ¬ H q H O was computed 2 2 using HF, MP2, MP4, QCISD, G1, G2, and G2MP2 ab initio methods. In addition, the Ž . B3LYP, B3P86, B3PW91, BLYP, BP291, and SVWN density functional theory DFT methods were also used. All the ab initio methods, with the exception of th
Quantum and quasiclassical study of the collinear reaction O(3P) + H2 → OH + H using a LEPS and fitted AB initio potential energy surface
✍ Scribed by D.C. Clary; J.N.L. Connor; C.J. Edge
- Publisher
- Elsevier Science
- Year
- 1979
- Tongue
- English
- Weight
- 378 KB
- Volume
- 68
- Category
- Article
- ISSN
- 0009-2614
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Using MCSF and CIPSI3 methods the shape of the potential energy surface (PES ) for the title reaction has been computed for the 'A' and 'A" states, locating the stationary points on each surface. The results from these two methods show that the wavefunction for all the stationary points has a strong
Vinyloxyboranes, CH2=CH-O-BR2, are shown by ab initio molecular orbital theory to be more stable than the isomeric p-aldoboranes, R2B-CH2-CH=O, by ca. 19 kcal/mol. The MP2/6-31G\*/6-31G\* + ZPE barrier for the [1,3] boron shift is only 10.9 kcal/mol (R = Me) relative to the aldoborane. Other C,H,BO