4

Zr     -0.165004444493704     -0.094810514967566     -0.177691561099719
Zr      1.410491598064096      1.222864201591614     -0.061419271853544
Zr      1.151773945077700      0.154887825454511      1.559885403162094
Zr     -0.297542548239200      1.664310824750570      1.314257295949033