4

Nb      0.269635011861491      0.237886817322938     -0.003797433889338
Nb      1.647439840587293      1.326290111278524      0.212198997617154
Nb      1.501341834700835      0.073065662157882      1.472769992020831
Nb     -0.107436078017062      1.466205509924823      1.249459982252699