4

Zr      0.007439360673720     -0.198249496223355      0.070947648944031
Zr      1.205863030843886      1.385292529851294     -0.029232252665685
Zr      1.650758153229197     -0.235897999565687      1.597311728721388
Zr     -0.158924019129255      1.602601418522256      1.689472126299347