Supplementary Information Substituents Dependent Capability of Bis(ruthenium-dioxolene-terpyridine) Complexes Toward Water Oxidation Tohru Wada,* a James T. Muckerman, b Etsuko Fujita b , and Koji Tanaka* c a Department of Chemistry, College of Science, Rikkyo University, 3-34-1 Nishi-Ikebukuro, Toshima, Tokyo, 171-8501, Japan. Fax: 81-3-3985-2373; Tel: 81-3-3985-2373; E-mail:twada@rikkyo.ac.jp b Chemistry Department, Brookhaven National Laboratory,Upton, NY,11973-5000, USA. Fax: 1-631-344-5815; Tel: 1-631-344-4356; E-mail: fujita@bnl.gov (E. Fujita); E-mail: fujita@bnl.gov (E. Fujita); mukerma@bnl.gov (J. T. Muckerman) c Department of Life and Coordination Molecular Science, Institute for Molecular Science, 5-1, Higashiyama, Myodaiji, Okazaki, Aichi, 444-0843,Japan. Fax: 81-564-59-5582; Tel: 81-564-59-5580; E-mail: ktanaka@ims.ac.jp