4

Zr      0.229217499296628      0.048320903071843     -0.072302247880355
Zr      1.597861536326296      1.226763945296091     -0.217777450724434
Zr      1.544057272519718      0.272823929438419      1.667835831976671
Zr      0.249208763353462      1.268653299150327      1.711502889428961