C Nb 
 1.0000000000000000
     2.5428878429099360   -0.0000000000000000   -0.0000000000000000
    -0.0000000000000000    2.5428878429099360    0.0000000000000000
    -0.0000000000000000    0.0000000000000000    2.5428878429099360
 C   Nb 
   1   1
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
  1.2714439214549682  1.2714439214549682  1.2714439214549684   T   T   T