Structural phase transition to disorder low-temperature phase in [Fe(ptz)6](BF4)2 spin-crossover compounds

Kusz, J.; Zubko, M.; Neder, R.B.; Gütlich, P.

doi:10.1107/S0108768111053298

Figure 11
Left: mutual orientation of the R-centred hexagonal and primitive rhombohedral lattices; right: hexagonal and triclinic lattices for the three twin domains. The rotation vector is 4.47° to the hexagonal c axis.