4

Zr      0.246240972684673      0.143024017571063     -0.145011066979046
Zr      1.735428591776748      1.834471240111462     -0.144871493764886
Zr      1.400671337035453     -0.086661168457964      1.410135634479353
Zr     -0.127587647313378      1.447308438900281      1.535491598064096