Entley, William R.; Treadway, Christopher R.; Wilson, Scott R.; Girolami, Gregory S. (1997). "The Hexacyanotitanate Ion: Synthesis and Crystal Structure of [NEt4]3[TiIII(CN)6]·4MeCN". Journal of the American Chemical Society119 (27): 6251–6258. doi:10.1021/ja962773m.