4

Pb      0.045424338274699     -0.093033283607011      0.065413202183279
Pb      1.354415179804815      1.592124651700520      0.110047684674906
Pb      1.701903602726967     -0.280038890710431      1.767010958027344
Pb     -0.049566932456720      1.612021792404197      1.246063603099360