He I energy levels 0.00000 1 1 1s 0 159850.318 3 2 2s 0 169086.845 1 2 2p 0 169086.845 3 2 2p 0 169087.526 5 2 2p 0 184859.044 1 3 3s 0 185564.565 3 3 3s 0 186104.708 5 3 3p 0 186104.708 3 3 3p 0 186105.062 1 3 3p 0 186209.371 7 3 3d 0 186209.371 5 3 3d 0 186209.371 3 3 3d 0 186209.371 1 3 3d 0 * 0 0 1 0 0 0 0 0.0 0.0