1. Department of Chemistry and Biochemistry, University of Oklahoma, 101 Stephenson Parkway, Norman, Oklahoma 73019-5251, United States
2. Q-Chem, Inc., 6601 Owens Drive, Suite 105, Pleasanton, California 94588, United States
3. Beijing National Laboratory for Molecular Sciences, Institute of Theoretical and Computational Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
4. Department of Chemistry and Chemical Biology, Indiana University−Purdue University Indianapolis, 402 N Blackford St., LD326, Indianapolis, Indiana 46202, United States
5. Department of Chemistry and Biochemistry, University of Texas at Arlington, Arlington, Texas 76019, United States