Au Cu 
 1.0000000000000000
     3.9756814418509401    0.0000000000000000    0.0000000000000000
     0.0000000000000000    3.9756814418509401   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    3.9756814418509401
 Au  Cu 
   3   1
Selective dynamics
Cartesian
 -0.0000000000000000  1.9878407209254700  1.9878407209254700   T   T   T
  1.9878407209254700 -0.0000000000000000  1.9878407209254700   T   T   T
  1.9878407209254700  1.9878407209254700 -0.0000000000000000   T   T   T
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T