Geometria de equilíbrio da molécula de Azadiracthin através de métodos semiempíricos e Ab initio em comparação com os dados experimentais fornecidos pela difração de raios X

The azadiracthin is a molecule with many biological applications in the pest control and in the treatment of human diseases. For this reason the geometry study of this molecular structure is essential to understand the biochemical process which it is involved. The study of equilibrium geometries was...

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Main Authors: Daniel Augusto Barra de Oliveira, Yagly G. dos Santos Gomes
Format: Article
Language:English
Published: Universidade Estadual Paulista 2018-04-01
Series:Eclética Química
Online Access:https://revista.iq.unesp.br/ojs/index.php/ecletica/article/view/22
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author Daniel Augusto Barra de Oliveira
Yagly G. dos Santos Gomes
author_facet Daniel Augusto Barra de Oliveira
Yagly G. dos Santos Gomes
author_sort Daniel Augusto Barra de Oliveira
collection DOAJ
description The azadiracthin is a molecule with many biological applications in the pest control and in the treatment of human diseases. For this reason the geometry study of this molecular structure is essential to understand the biochemical process which it is involved. The study of equilibrium geometries was performed with the aid of quantum mechanics approach that can determine the structures with the least energetic state. The importance of this kind of study is verified when there is experimental data reproducibility by quantum calculations. In this work it was performed calculations of electronic structure with different approaches in order to try reproducing the experimental data base in X ray. The PM6 semi-empirical method was that showed the highest reproducibility of the experimental data. This result optimized yet the relation between computational cost and the good data reproducibility, because it is known that the PM6 semi-empirical method has the computationally less cost that the ab initio approaches that were used in this study.
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spelling doaj.art-b3882d65fd924118a5fb52415f9b146c2022-12-22T02:37:52ZengUniversidade Estadual PaulistaEclética Química1678-46182018-04-014119410010.26850/1678-4618eqj.v41.1.2016.p94-10022Geometria de equilíbrio da molécula de Azadiracthin através de métodos semiempíricos e Ab initio em comparação com os dados experimentais fornecidos pela difração de raios XDaniel Augusto Barra de Oliveira0Yagly G. dos Santos Gomes1Fundação Universidade Federal do Tocantins. Campus Universitário Araguaína. Rua Paraguaia S/N 77838-824 - Araguaina, TOFundação Universidade Federal do Tocantins. Campus Universitário Araguaína. Rua Paraguaia S/N 77838-824 - Araguaina, TOThe azadiracthin is a molecule with many biological applications in the pest control and in the treatment of human diseases. For this reason the geometry study of this molecular structure is essential to understand the biochemical process which it is involved. The study of equilibrium geometries was performed with the aid of quantum mechanics approach that can determine the structures with the least energetic state. The importance of this kind of study is verified when there is experimental data reproducibility by quantum calculations. In this work it was performed calculations of electronic structure with different approaches in order to try reproducing the experimental data base in X ray. The PM6 semi-empirical method was that showed the highest reproducibility of the experimental data. This result optimized yet the relation between computational cost and the good data reproducibility, because it is known that the PM6 semi-empirical method has the computationally less cost that the ab initio approaches that were used in this study.https://revista.iq.unesp.br/ojs/index.php/ecletica/article/view/22
spellingShingle Daniel Augusto Barra de Oliveira
Yagly G. dos Santos Gomes
Geometria de equilíbrio da molécula de Azadiracthin através de métodos semiempíricos e Ab initio em comparação com os dados experimentais fornecidos pela difração de raios X
Eclética Química
title Geometria de equilíbrio da molécula de Azadiracthin através de métodos semiempíricos e Ab initio em comparação com os dados experimentais fornecidos pela difração de raios X
title_full Geometria de equilíbrio da molécula de Azadiracthin através de métodos semiempíricos e Ab initio em comparação com os dados experimentais fornecidos pela difração de raios X
title_fullStr Geometria de equilíbrio da molécula de Azadiracthin através de métodos semiempíricos e Ab initio em comparação com os dados experimentais fornecidos pela difração de raios X
title_full_unstemmed Geometria de equilíbrio da molécula de Azadiracthin através de métodos semiempíricos e Ab initio em comparação com os dados experimentais fornecidos pela difração de raios X
title_short Geometria de equilíbrio da molécula de Azadiracthin através de métodos semiempíricos e Ab initio em comparação com os dados experimentais fornecidos pela difração de raios X
title_sort geometria de equilibrio da molecula de azadiracthin atraves de metodos semiempiricos e ab initio em comparacao com os dados experimentais fornecidos pela difracao de raios x
url https://revista.iq.unesp.br/ojs/index.php/ecletica/article/view/22
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