1. Department of Chemistry, Adam Mickiewicz University, Grunwaldzka 6, 60-780 Poznań, Poland, Centre for Ultrafast Laser Spectroscopy, Adam Mickiewicz University, Umultowska 85, 61-614 Poznań, Poland, and Department of Physics, Adam Mickiewicz University, Umultowska 85, 61-614 Poznań, Poland