1. Department of Chemistry, Biology and Biotechnology, University of Perugia, Via Elce di Sotto 8, Perugia 06123, Italy
2. Computational Laboratory for Hybrid/Organic Photovoltaics (CLHYO), Istituto CNR di Scienze e Tecnologie Chimiche “Giulio Natta” (CNR-SCITEC), Via Elce di Sotto 8, Perugia 06123, Italy
3. Chemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
4. CompuNet, Istituto Italiano di Tecnologia, Via Morego 30, Genova 16163, Italy