4

Zr     -0.042106637483934     -0.111743180504805      0.191786186075249
Zr      1.803955182286135      1.916408711356922      0.114553590633172
Zr      1.479111794191304      0.162662875697328      1.405912256719379
Zr     -0.041920007317983      1.566715387095831      1.430980248570327