1. Department of Chemistry, The Johns Hopkins University, Baltimore, Maryland 21218, United States
2. Institute for Quantum Matter and Department of Physics and Astronomy, The Johns Hopkins University, Baltimore, Maryland 21218, United States
3. Department of Materials Science and Engineering, The Johns Hopkins University, Baltimore, Maryland 21218, United States
4. Department of Chemistry and Biochemistry, California State University, Fullerton, California 92831, United States
5. Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
6. Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Strasse 40, Dresden 01187, Germany
7. Los Alamos National Laboratory, Mail Stop B221, Los Alamos, New Mexico 87545, United States
8. Los Alamos National Laboratory, Mail Stop E574, Los Alamos, New Mexico 87545, United States