1. Chemical Sciences Division and Nuclear Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, Department of Chemistry, University of California, Berkeley, California 94720, Materials Physics and Applications Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, Université de Toulouse, INSA-UPS-LPCNO and CNRS-LPCNO, 135 avenue de Rangueil, F-31077 Toulouse, France, Institut Charles Gerhardt, Université Montpellier 2, place E. Bataillon, 34095 Montpellier,...