1. Earth and Planets Laboratory, Carnegie Institution for Science, Washington, District of Columbia 20015, United States
2. Faculty of Chemistry, Warsaw University of Technology, 00-664 Warsaw, Poland
3. Department of Physics, Rutgers University, Newark, New Jersey 07102, United States
4. Center for Advanced Radiation Sources, The University of Chicago, Chicago, Illinois 60637, United States
5. Samara Center for Theoretical Materials Science (SCTMS), Samara State Technical University, Samara 443100, Russia
6. Dipartimento di Chimica, Università degli Studi di Milano, 20133 Milano, Italy