1. Earth and Environmental Sciences Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States
2. Materials Science Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States
3. Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States
4. Sigma Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States
5. Chemistry Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States
6. School of Molecular Sciences and Center for Materials of the Universe, Arizona State University, Tempe, Arizona 85287, United States