Cupalite El-Boragy M, Szepan R, Schubert K Journal of the Less-Common Metals 29 (1972) 133-140 Kristallstruktur von Cu3Al2+ (h) und CuAl (r) Locality: synthetic _database_code_amcsd 0020057 9.889 4.105 6.913 90 89.996 90 I2/m atom x y z Cu1 0 0 0 Cu2 .256 0 .016 Cu3 .109 0 .337 Al1 0 .5 .5 Al2 .155 0 .698 Al3 .382 0 .395