1. Computational Materials Science Research TeamAICS, RIKEN,7‐1‐26 Minatojima‐minami‐machi, Chuo‐kuKobe Hyogo650‐0047 Japan
2. iTHES Research GroupRIKEN, 2‐1, HirosawaWako‐shi Saitama351‐0198 Japan
3. Escuela Superior de Física y MatemáticasInstituto Politécnico NacionalEdificio 9, U.P. A.L.M, Col. San Pedro Zacatenco, C.P. 07738México D.F México
4. Department of Chemistry and Chemical BiologyMcMaster UniversityHamilton Ontario CanadaL8S4M1
5. San Diego Supercomputer Center, University of California San Diego9500 Gilman DriveLa Jolla California92093‐0505