4

Pb     -0.144594904970716      0.111154795778722     -0.012756796932316
Pb      1.834601696833958      1.436434504324241      0.040929071681260
Pb      1.413295950901051     -0.164902238662732      1.765414161327664
Pb     -0.221872186344146      1.643788851108211      1.453344518295044