As Fe2 Elander M, Haegg G, Westgren A Arkiv for Kemi, Mineralogi och Geologi B12 (1935) 1-6 The crystal structure of Cu2 Sb and Fe2 As _cod_database_code 1011298 _database_code_amcsd 0018145 3.627 3.627 5.973 90 90 90 P4/nmm atom x y z Fe1 0 0 0 Fe2 0 .5 .33 As1 0 .5 -.265