4

O       0.269762016431877      0.073458571541159      0.042152897508079
O       1.701259006819736      1.548772094863850      0.219318968704678
O       1.492240572860706      0.042802679860809      1.614375809268183
O      -0.158827295371300      1.759144773232255      1.585655171435301