Theoretical Study as Nano Structure for Nitrogen Phenanthrene Molecules (crystal) Group: by B3YP-DFT. International Journal of Current Engineering and Technology, [S. l.], v. 4, n. 1, p. 308–311, 2014. Disponível em: https://ijcet.evegenis.org/index.php/ijcet/article/view/493. Acesso em: 14 mar. 2026.