Hambley, Trevor W.; Lay, Peter A. Comparisons of π-bonding and hydrogen bonding in isomorphous compounds: [M(NH3)5Cl]Cl2 (M = Cr, Co, Rh, Ir, Ru, Os). Inorganic Chemistry. 1986, 25: 4553–8. doi:10.1021/ic00245a020.
J. A. Osborn, K. Thomas, G. Wilkinson. Pentaamminechlororhodium(III) Dichloride and Pentaamminehydridorhodium(III) Sulfate. Inorg. Syn.: 213–215. doi:10.1002/9780470132449.ch43.