<div>Dear Colleagues!</div><div>I have some questions.</div><div>I want to calculate the electronic structure of the TiO2, ZO2 and BaTiO3 nanoclusters and get good value of bandgap.</div><div>I read the manual. So, need I take the parameters <strong>assume_isolated </strong>andš<strong>lda_plus_u</strong>?</div><div>š</div><div>--š</div><div>Best regards,</div><div>Andrey Chibisov. Ph.D.</div><div>Numerical method of mathematical physics Laboratory,</div><div>Computational Center, Russian Academy of Sciences.</div><div>Khabarovsk, Russia</div><div>Web page:šhttps://www.researchgate.net/profile/A_Chibisov</div><div>http://ru.linkedin.com/pub/andrey-chibisov/55/253/986/en</div>