1. Department of Chemistry
and Biochemistry, University of Notre Dame, Notre Dame, Indiana 46556, United States
2. Department of Earth and Planetary Sciences, University of California, Davis, California 95616, United States
3. The Keck NMR Facility, University of California, Davis, California 95616, United States
4. Department of Civil and Environmental Engineering
and Earth Sciences, University of Notre Dame, Notre Dame, Indiana 46556, United States
5. Department of Chemistry, University of California, Davis, California 95616, United States