Nb 
 1.0000000000000000
     4.5108620120552265   -0.0000000000000000   -0.0000000000000000
    -0.0000000000000000    4.5108620120552265    0.0000000000000000
     0.0000000000000000    0.0000000000000000    4.5108620120552265
 Nb 
   4
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
  0.0000000000000000  2.2554310060276133  2.2554310060276133   T   T   T
  2.2554310060276133  0.0000000000000000  2.2554310060276133   T   T   T
  2.2554310060276133  2.2554310060276133  0.0000000000000000   T   T   T