4

Nb      0.036077612290867     -0.261321166041314      0.089689288560042
Nb      1.718639107500468      1.282351858024684      0.236246199513629
Nb      1.263224584162285     -0.176130750251838      1.400223439417632
Nb      0.093250055668870      1.439263300215592      1.313826086784800