1. Institute of Analysis and Scientific Computing, TU Wien, Wiedner Hauptstrasse 8-10, A-1040 Vienna, Austria
2. University of Vienna, Faculty of Mathematics, Oskar-Morgenstern-Platz 1, A-1090 Vienna, Austria
3. University of Vienna, Vienna Research Platform on Accelerating Photoreaction Discovery, Währingerstraße 17, 1090 Wien, Austria
4. Istituto di Matematica Applicata e Tecnologie Informatiche E. Magenes, via Ferrata 1, I-27100 Pavia, Italy
5. Dipartimento di Ingegneria, Università degli Studi Roma Tre, via Volterra 62, I-00146 Roma, Italy