About the Authors

Dong Long

Affiliation Chemical Sciences Laboratory, Department of Chemistry and Biochemistry and National High Magnetic Field Laboratory, Florida State University, Tallahassee, Florida, United States of America

Rafael Brüschweiler

bruschweiler@magnet.fsu.edu

Affiliation Chemical Sciences Laboratory, Department of Chemistry and Biochemistry and National High Magnetic Field Laboratory, Florida State University, Tallahassee, Florida, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DL RB. Performed the experiments: DL RB. Analyzed the data: DL RB. Wrote the paper: DL RB.