The effectiveness of well-tempered Gaussian basis sets has been tested for the atoms He-Ar, Ag, and Xe, It has been found that orbital exponents optimized through the well-tempered scheme for non-relativistic atoms can be carried over to relativistic calculations to produce wavefunctions close to th
Systematic generation of relativistic gaussian basis sets
✍ Scribed by Ján Micanko; Stanislav Biskupič; Martina Bittererová; Vladimír Kvasnička
- Book ID
- 110404745
- Publisher
- Springer
- Year
- 1999
- Tongue
- English
- Weight
- 400 KB
- Volume
- 49
- Category
- Article
- ISSN
- 0011-4626
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Dirac-Fock-Roothaan calculations have been performed using various sizes of contractions of Gaussian basis sets for iodine (Z= 53 ) and gold (Z= 79). The results show that contractions of large exponent bases of s and p symmetry species have large effects on the total energies and the orbital energi
The prolapse problem in the four-component relativistic Gaussian basis sets, recently developed by Koga, Tatewaki, and Matsuoka for the atoms 1 H through 103 Lr, is discussed. Deficiency in the number of s þ basis functions is pointed out for the atoms in the fourth and higher periods. A small prola