Lu Mn O3 Yakel H, Koehler W, Bertaut E, Forrat E Acta Crystallographica 16 (1963) 957-962 On the crystal structure of the manganese(III) trioxides of the heavy lanthanides and yttrium _cod_database_code 1008915 _database_code_amcsd 0016782 6.042 6.042 11.37 90 90 120 P6_3cm atom x y z Lu1 0 0 .2705 Lu2 1/3 2/3 .2266 Mn1 .3212 0 0 O1 .3071 0 .1699 O2 .6328 0 .3397 O3 0 0 .4836 O4 1/3 2/3 .0189