Nb 
 1.0000000000000000
     4.1278218628126480    0.0000000000000000   -0.0000000000000000
     0.0000000000000000    4.1278218628126480    0.0000000000000000
     0.0000000000000000    0.0000000000000000    4.1278218628126480
 Nb 
   4
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
  0.0000000000000000  2.0639109314063240  2.0639109314063240   T   T   T
  2.0639109314063240  0.0000000000000000  2.0639109314063240   T   T   T
  2.0639109314063240  2.0639109314063240  0.0000000000000000   T   T   T