1 Number of centers: 3 2 1 Bq 4.50510676 3.28434377 2.60782186 charge -0.90000000 3 2 Bq 4.62604922 3.03867939 0.78612601 charge 0.45000000 4 3 Bq 2.94797254 2.39617255 3.03867939 charge 0.45000000 5 Total Bq charge: 1.110223024625157E-016 6 7