The equilibrium geometries and fundamental frequencies of Na S are calculated at HF, 2 Ε½ . Ε½ . Ε½ . MP2 FC, FU , and MP3 with the 6-31G d basis set and at HF and MP2 FC, FU with the Ε½ . Ε½ . Ε½ . 6-31G d basis set, respectively. The total energy at MP2 FU r6-31G d -optimized Ε½ . Ε½ . Ε½ . geometry is com
An ab initio study of the structure, vibrational frequencies and heat of formation of ONCO radical
β Scribed by Brent D. Benson; Joseph S. Francisco
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 354 KB
- Volume
- 233
- Category
- Article
- ISSN
- 0009-2614
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π SIMILAR VOLUMES
Geometry optimizations are performed for three isomers of C2o, namely the ring, bowl (corannulene-like), and cage (fullerene-like) configurations, using both the local density functional approximation (LDA), and gradient-corrected density functional theory (BLYP). The BLYP results confirm the previo
The geometrical parameters for SnX, (X = Cl, Br, 1) and SnXl have been optimized at the SCF and CI levels using non-empirical pseudopotentials and a basis set of double-zeta plus polarization quality. For the neutral molecules the geometrical parameters are in agreement with the experimental values,
High levels of ab initio molecular orbital theory have been used to study the structures, binding energies, vibrational frequencies and equilibrium constants of hydrogen peroxide-water dimers. The geometries of the different possible conformers were optimized at the HF/6-3 1 1 + + G (2d, 2p) level o
The energy difference between the HzCN\*-N2 comples and its components, H2CN\* 2nd N2. has been ulculated PS 89 and 6-4 kcal/mol by ab initio SW calculations employing the 4-31G and 6-31G\*\* basis sets. These ~AICS agree with the previously estimated heat of formation of 7.65 kul/mol. The reaction