1. Department of Chemistry, Stanford University, Stanford, California 94305, United States
2. Stanford Synchrotron Radiation Lightsource,
SLAC, Stanford University, Stanford, California 94309, United States
3. Department
of Chemistry and Biochemistry, Montana State University, Bozeman, Montana 59717, United States
4. MTA-ELTE “Momentum” Chemical Structure/Function Laboratory, Budapest 1117, Hungary
5. Laboratorium fuer
Kristallographie, ETH-Zentrum, Sonneggstrasse 5, No. G 62, CH-8092 Zürich, Switzerland
6. Department of Chemistry, National Cheng-Kung University, Tainan City 701, Taiwan
7. SLAC
National Accelerator Laboratory, Stanford University, Menlo Park, California 94025, United States