Cu Zr 
 1.0000000000000000
     3.1923191116997383   -0.0000000000000000   -0.0000000000000000
    -0.0000000000000000    3.1923191116997383    0.0000000000000000
     0.0000000000000000    0.0000000000000000    3.1923191116997383
 Cu  Zr 
   1   1
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
  1.5961595558498693  1.5961595558498693  1.5961595558498693   T   T   T