4

O       0.038483159161008      0.191786186075249      0.178955182286135
O       1.416408711356922      1.239553590633172      0.032535814990947
O       1.274046894850527      0.106092939059209      1.091039972913158
O      -0.194019751429673      0.946575979200357      1.138615980846801