New iron(III) nitrate hydrates: Fe(NO3)3·xH2O with x = 4, 5 and 6

Schmidt, H.; Asztalos, A.; Bok, F.; Voigt, W.

doi:10.1107/S0108270112015855

Figure 10
Hydrogen-bond network in Fe(NO₃)₃·4H₂O, with dominating bonds along the b axis. For clarity, only the Fe-OH₂ bonds (thick lines, green in the electronic version of the paper) of the complex units are shown.