4 Cu -0.116854623099276 0.280956962097809 0.260089461035384 Cu 1.169777986955436 1.322304652462644 0.284607123775581 Ta 0.985885021529960 0.118939421408867 1.229569383213966 Ta -0.088591032523176 1.539268192583267 1.730100440285447