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Revista de la Sociedad Química del Perú
versão impressa ISSN 1810-634X
Resumo
ANGULO-CORNEJO, Jorge R e TOVAR, Carlo F. Using computational chemistry: Semiempirical PM3 method, to elucidate the structure of bis (1,5-diphenyl-1,2,4-triazole-3-thionate) lead(II) (Pb(DTT)2). Rev. Soc. Quím. Perú [online]. 2014, vol.80, n.2, pp.136-143. ISSN 1810-634X.
This theoretical study at the level PM3, has been to predict the more stable structure of bis (1,5-diphenyl-1,2,4-triazole-3-thionate) lead (II) (Pb(DTT)2), through the application of the Pearson's Principle Maximum Hardness (PMH). Proposed three possible structures which are reported by Angulo et al1, to the based on experimental data. Determined that the structure presented greater hardness and thermodynamics stability is when lead atom is coordinated with the sulfur atom and the hydrazine nitrogen, in Ψ bipiramide trigonal structure, coinciding this with the experimental data.
Palavras-chave : Semiempirical method PM3; principle maximum hardness; lead (II); complex; triazole; thionate.