4

Zr      0.035179364146974     -0.017836086287558     -0.269571336013720
Zr      1.236287921517464      1.318486612507755      0.047860777548411
Zr      1.239034585290788     -0.190589897980775      1.399856244055995
Zr     -0.259664512138443      1.372868013184070      1.736742121312407