4

Zr     -0.117988029405912     -0.066994074176567      0.225865614041473
Zr      1.793911941800705      0.929108616317412      0.021031448075832
Zr      1.277613557730307      0.031075049764773      1.393628405779479
Zr      0.235738571974043      1.527241716115138      1.275381499092299