1. Department of Chemistry, Marquette University, Milwaukee, Wisconsin 53201, United States
2. Key Laboratory of Theoretical Organic Chemistry and Functional Molecules, Ministry of Education; and School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan 411201, China
3. Center for High Pressure Science and Technology Advanced Research, Shanghai 201203, China
4. X-ray Science Division, Argonne National Laboratory, Argonne, Illinois 60349, United States
5. Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States