4

Be     -0.149747312595736      0.019429025014992      0.294170819073454
O       1.704081112004496      1.518550086950107      0.036913835829196
O       1.239510935204428      0.077365690355056      1.725773223142812
Be      0.149777555970285      1.593644321539677      1.773541036547340