4

Zr      0.122630993553664     -0.001858960991843     -0.035646033538424
Nb      1.625932902742678      1.186291224476644     -0.100988089258220
Nb      1.418126451037361     -0.055387092461624      1.732128674492061
Zr      0.178714745591496      1.402611018534233      1.468509900638349