[1] Lund Univ, Dept Synchrotron Radiat Instrumentat, S-22100 Lund, Sweden
[2] Lund Univ, Ctr Anal & Synth, Dept Chem, S-22100 Lund, Sweden
[3] Lund Univ, Dept Chem Phys, S-22100 Lund, Sweden
[4] Argonne Natl Lab, Xray Sci Div, Argonne, IL 60439 USA
[5] Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA
[6] Univ Geneva, Dept Chim Phys, CH-1211 Geneva 4, Switzerland
[7] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA
[8] Brookhaven Natl Lab, Photon Sci Directorate, Upton, NY 11973 USA