AM_TmOI
Formula: Tm O I
Name: TmOI
Unit cell: 3.895 3.895 9.184 90.0 90.0 90.0 , V=139.33
Space group: P4/NMM (129)

Wyckoff R W G , Crystal Structures , 1 (1963) p.294-296, Second edition. Interscience Publishers, New York, New York, Note: tetragonal PbFCl structure