C Nb 
 1.0000000000000000
     3.9656358182749574   -0.0000000000000000    0.0000000000000000
    -1.9828179091374787    3.4343413607836033    0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    4.6756818796079092
 C   Nb 
   2   2
Selective dynamics
Cartesian
 -0.0000000198281796  2.2895609186368731  1.1689204699019773   T   T   T
  1.9828178893093007  1.1447804650423392  3.5067614097059319   T   T   T
 -0.0000000198281796  2.2895609186368731  3.5067614097059319   T   T   T
  1.9828178893093007  1.1447804650423392  1.1689204699019773   T   T   T