4

Zr      0.246240972684673      0.143024017571063     -0.145011066979046
Zr      1.860428591776748      1.959471240111462     -0.144871493764886
Zr      1.802807135443839     -0.086661168457964      1.319419107924511
Zr     -0.127587647313378      1.572308438900281      1.660491598064096