z1=2.10985 99098 8,z3=2.15673 49098 8,Z1=0.00977 77253 5,z2=2.12548 49098 8,A=2.13069 32432 1,Z2=0.00244 44313 4,Z3=-Z1-Z2=-0.01222 21566 9,E2=-1.25480 14×10⁻⁴, E3=-2.9212×10⁻⁷.