4

Zr      0.165495107289581     -0.180096200445096     -0.065742094084204
Zr      1.278094519194169      1.645324702969115      0.049557427217905
Zr      1.409463226224624      0.401724279427159      1.795650078149699
Zr      0.246978743024612      1.784163139348857      1.619005961621377