A systematic preparation of new contracted Gaussian‐type orbital sets. III. Second‐row atoms from Li through ne

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書誌事項

公開日
1980-09
権利情報
  • http://onlinelibrary.wiley.com/termsAndConditions#vor
DOI
  • 10.1002/jcc.540010302
公開者
Wiley

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<jats:title>Abstract</jats:title><jats:p>Four minimal Gaussian basis sets are generated for the second‐row atoms Li through Ne. The first one, MINI‐1, consists of a 3‐term contraction of primitive Gaussian‐type orbitals for 1<jats:italic>s</jats:italic>, 2<jats:italic>s</jats:italic>, and 2<jats:italic>p</jats:italic> atomic orbitals. The convenient shorthand notation would be (3,3) for LiBe and (3,3/3) for BNe. The second one, MINI‐2, can be represented by (3,3/4) for BNe. In the same way, MINI‐3 is described as (4,3) for LiBe, and MINI‐3 and MINI‐4 are represented by (4,3/3) and (4,3/4) for BNe, respectively. Although the four basis sets are the minimal type, they give the valence shell orbital energies which are close to those of DZ. These four and other sets derived from them are tested for the hetero‐ and homodiatomic molecules and some organic molecules. They are found to give the orbital energies that agree well with those given by extended calculations. Atomization energies and other spectroscopic constants are also calculated and compared with those of extended calculations. The results clearly indicate that the present basis sets can be used very effectively in the molecular calculations.</jats:p>

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