4

Nb     -0.103280689169197     -0.178424020799643      0.013615980846801
Nb      1.535800309657873      1.725675414182673      0.063299266756192
Nb      1.687454421323243     -0.221531422836173      1.744514281526326
Nb     -0.158731803750888      1.591406997531449      1.566681370295046