4

Zr      0.246240972684673      0.081604745717519     -0.145011066979046
Zr      1.610428591776748      1.709471240111462      0.010016331689624
Zr      1.552807135443839     -0.086661168457964      1.346554906332897
Zr     -0.127587647313378      1.322308438900281      1.410491598064096