Theoretical Study of the Electronic Properties for fluorine Azulene Molecules Group: by B3LYP-DFT. International Journal of Current Engineering and Technology, [S. l.], v. 3, n. 5, p. 1771–1774, 2013. Disponível em: https://ijcet.evegenis.org/index.php/ijcet/article/view/296. Acesso em: 23 may. 2026.