Performance of TDDFT Vertical Excitation Energies of Core-Substituted Naphthalene Diimides. - Ayush K. Narsaria; Julian D. Ruijter; Trevor A. Hamlin; Andreas W. Ehlers; Célia Fonseca Guerra; Koop Lammertsma; Friedrich Matthias Bickelhaupt (J. Comput. Chem., 2020)