TmOI
Wyckoff R W G
Crystal Structures 1 (1963) 294-296
Second edition. Interscience Publishers, New York, New York
Note: tetragonal PbFCl structure
_database_code_amcsd 0011867
3.895 3.895 9.184 90 90 90 P4/nmm
atom x  y    z
Tm   0 .5 .125
O    0  0    0
I    0 .5 .680