1. Department
of Chemistry, University of Washington, Seattle, Washington 98195, United States
2. Ultrafast
X-ray
Science Laboratory, Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
3. Department
of Chemistry and Chemistry Institute of Functional Materials, Pusan National University, Busan 46241, Republic of Korea
4. Department
of Physics, University of Hamburg, Max Planck Institute for the Structure and Dynamics of Matter, and Center for Free-Electron Laser Science, 22761 Hamburg, Germany