4

Zr     -0.232275506901411      0.118939421408867      0.039268192583267
Zr      1.730100440285447      1.595666884346976      0.125289820474758
Zr      1.620331728819101      0.178289475233445      1.711828907638477
Zr     -0.206981755295388      1.232419848510659      1.572553771965862