4

Nb      0.017636255343957      0.064953327157035     -0.108897748809816
Nb      1.891390986823813      1.781050000870956     -0.049507652080888
Nb      1.663514706928069      0.035172148889072      1.774262365777332
Nb      0.070425536409974      1.707805342040267      1.818308073065924