4

Nb     -0.004907649411625      0.231399988376101      0.190458003375739
Zr      1.628135247681514      1.460908890585161     -0.117959310742624
Nb      1.673796381326510     -0.074046524923306      1.457421565354757
Zr      0.022717450228873      1.346264582585857      1.285292307170939