4

Zr     -0.113995477489975      0.263907763645377      0.259432326134952
Zr      1.659515431831936      1.321435436280786      0.249096703158296
Zr      1.249037350932572      0.203101583698022      1.550921526523543
Zr     -0.086041986786563      1.703644117671300      1.451694429796807