4

Nb      0.268038464666792      0.284825282130261      0.109890563159374
Nb      1.663150545550867      1.782038680425882     -0.260449313253845
Nb      1.550804068662174      0.170643736377588      1.368123409695721
Nb      0.105709712455834      1.700112835442994      1.284714204010268