Abstract
The Pople-Santry-Segal CNDO/2 method and the modified CNDO/2 version worked out recently by Clack for transition-metal complexes have been extended to the full periodic table.
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Baba-Ahmed, A., Gayoso, J. “Universal” CNDO/2 method (CNDO/2-U). Theoret. Chim. Acta 62, 507–521 (1983). https://doi.org/10.1007/BF00557927
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DOI: https://doi.org/10.1007/BF00557927