4

Zr      0.170896112097038      0.262353385949982     -0.107857329280520
Zr      1.710053546513952      1.712117311544644      0.142426803666513
Zr      1.795946725469784      0.157104594115611      1.297657860224515
Zr      0.241229004970342      1.522012931688855      1.316343479303719