1. Leiden Institute of Chemistry, Leiden University, 2300 RA Leiden, The Netherlands
2. Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States
3. Lawrence Berkeley National Laboratory, 1 Cyclotron Rd, Berkeley, California 94720, United States
4. Fritz Haber Institute of the Max Planck Society, Faradayweg 4-6, 14195 Berlin, Germany
5. National Synchrotron Radiation Research Center (NSRRC), Hsinchu 30076, Taiwan
6. Department of Physics, Tamkang University, No. 151, Yingzhuan Rd, New Taipei City 25137, Taiwan