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A comparison of the efficiency and accuracy of the quadratic configuration interaction (QCISD), coupled cluster (CCSD), and Brueckner coupled cluster (BCCD) methods: Chem. Phys. Letters 190 (1992) 1

Publisher: Elsevier Science
Year: 1992
Tongue: English
Weight: 32 KB
Volume: 192
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(92)85477-r

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✦ Synopsis

A comparison of the efficiency and accuracy of the quadratic configuration interaction (QCISD), coupled cluster (CCSD), and Brueckner coupled cluster (BCCD) methods, Chem. Phys. Lctters 190 (1992) 1.

📜 SIMILAR VOLUMES

A comparison of the efficiency and accur

A comparison of the efficiency and accuracy of the quadratic configuration interaction (QCISD), coupled cluster (CCSD), and Brueckner coupled cluster (BCCD) methods

✍ Claudia Hampel; Kirk A. Peterson; Hans-Joachim Werner 📂 Article 📅 1992 🏛 Elsevier Science 🌐 English ⚖ 1022 KB

The coupled-cluster method restricted to single and double excitations from a closed-shell reference function (CCSD) and the corresponding quadratic configuration interaction method (QCISD) are formulated in terms of quantities which can be computed directly from the two-electron integrals in A0 bas