1. Department of Chemistry, University of Colorado Denver, Denver, Colorado 80217-3364, United States
2. Beijing Computational Science Research Center, No. 10 East Xibeiwang Road, Haidian District, Beijing 100193, China
3. College of Chemistry and Center for Advanced Quantum Studies and Key Laboratory of Theoretical and Computational Photochemistry, Ministry of Education, Beijing Normal University, Beijing 100875, China