4

Nb      0.035575890471948      0.014867427676108     -0.024734605602521
Nb      1.604856899438870      1.629908524072908      0.030174094251416
Nb      1.636958360543372      0.015661227559345      1.615609091244013
Nb      0.022286184404181      1.651478613454810      1.614584464889054