4

Nb      0.131854014562629     -0.021605542486448      0.058209220163818
Zr      1.365373083676206      1.522780340513900      0.164547288181998
Zr      1.561092397115115     -0.299679946919507      1.648804049635459
Nb      0.048104207788831      1.357421144320681      1.486903260408157