1. Department of Chemistry, College of Humanities and Sciences, Nihon University, Setagaya-ku, Tokyo 156-8550, Japan
2. Department of Applied Physics, University of Tokyo, Bunkyo-ku, Tokyo 113-8656, Japan
3. Institute of Engineering Innovation, University of Tokyo, Bunkyo-ku, Tokyo 113-0032, Japan
4. PRESTO, Japan Science and Technology Agency (JST), Kawaguchi, Saitama 332-0012, Japan
5. Research Center for Computational Design of Advanced Functional Materials (CD-FMat), National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki 305-8568, Japan
6. Department of Physics, Nagoya University, Nagoya, Aichi 464-8602, Japan
7. Faculty of Pure and Applied Science and Tsukuba Research Center for Energy Materials Science (TREMS), University of Tsukuba, Tsukuba, Ibaraki 305-8571, Japan