1. Institute
of Physical Chemistry and National Center for Computational Design
and Discovery of Novel Materials, Department of Chemistry, University of Basel, Klingelbergstrasse 80, CH-4056 Basel, Switzerland
2. Google, 1600 Amphitheatre Parkway, Mountain View, California 94043, United States
3. Google, 5 New Street
Square, London EC4A 3TW, U.K.