Calculation of Ground-State Energy for Linear HeH2++ through Fifth Order (United Atom Treatment)
حتى الدرجة الخامسةHeH2++حساب طاقة الحالة الأرضية للجزيء الخطي
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In this paper, the nonrelativistic energies of the linear HeH2++ molecular ion have been computed using the multiperturbation theory for the ground state through fifth order. The results are very encouraging compared to the variational calculations.