1980
DOI: 10.1002/qua.560180608
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Fourth‐order diagrammatic MBRSPT calculations of the correlation energy: N2, CO, F2 and the reaction energy of the process ½F2 + ½H2 = HF

Abstract: AbstractsThe correlation energies obtained by the fourth-order diagrammatic perturbation theory were analyzed for three diatomic molecules: N2, CO, and F2. The results were compared with correlation energies obtained previously for the ten-electron hydrides HF, H 2 0 , and NH3. The relative importance of contributions which arise from the double excitations, from the quadruple excitations, as well as from the renormalization term was investigated. It is shown that for the diatomic molecules under study these c… Show more

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Cited by 21 publications
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