期刊
CHEMICAL PHYSICS LETTERS
卷 398, 期 1-3, 页码 56-61出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cplett.2004.09.041
关键词
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We employ the Slater-type function as a geminal basis function to incorporate the inter-electron distance in explicitly correlated theory. It is shown that the use of the Slater-type geminals confers numerical and computational advantages over the previous explicitly correlated methods. The performance of the resulting method is examined in some benchmark calculations at the second order Moller-Plesset perturbation theory. The results reveal that the Slater-type function is promising compared to the ordinary Gaussian-type geminals and linear r(12) function. (C) 2004 Elsevier B.V. All rights reserved.
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