C Nb 
 1.0000000000000000
     2.9751350300909611   -0.0000000000000000   -0.0000000000000000
    -0.0000000000000000    2.9751350300909611    0.0000000000000000
    -0.0000000000000000    0.0000000000000000    2.9751350300909611
 C   Nb 
   1   1
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
  1.4875675150454806  1.4875675150454806  1.4875675150454806   T   T   T