MnB2 Aronsson B Acta Chemica Scandinavica 14 (1960) 1414-1418 A note on the compositions and crystal structures of MnB2, Mn3Si, Mn5Si3 and FeSi2 Locality: synthetic _database_code_amcsd 0018917 3.007 3.007 3.037 90 90 120 P6/mmm atom x y z Mn 0 0 0 B 1/3 2/3 .5