A neutron diffraction and119Sn Mössbauer study of PbSnF4 and BaSnF4

119Sn Mossbauer data have been recorded for α- and β-PbSnF4 and BaSnF4. A temperature dependent neutron diffraction study on PbSnF4 clearly indicates the phase transition temperatures. BaSnF4 is confirmed to have the tetragonal P4/nmm structure.