SEARCH Articles Figures Tables Activation energy second limit Additivity of the second-order dispersion energy Approximation methods second-order energy) Averaged second-order energies Binding Helmholtz Energies on First and Second Site, Cooperativity Binding Helmholtz Energies on First and Second Sites Correlation energy relativistic, second order Correlation energy second order Energy Change for Binding on First and Second Sites Energy level diagram second singlet excited state Energy of Binding on First and Second Sites Energy operator for a molecular crystal with fixed molecules in the second-quantization representation. Paulions and Bosons Entropy, Free Energy, and the Second Law of Thermodynamics Epstein-Nesbet second-order energy Expanded Energy Corrections up to Second Order Free binding energy second Hydrogen molecule second-order energy Intermolecular perturbation second-order energy Magnesium second ionization energy Metal clusters second-order energy difference Moller-Plesset perturbation theory second-order energy derivatives NMR Parameters Defined as Second-Order Energy Perturbations Nitrogen second-order correlation energy Non-expanded Energy Corrections up to Second Order Perturbation energy, second-order Potential energy surface second-order derivatives Rayleigh-Schrodinger perturbation theory, second order energy Second Derivatives of the Energy Second Derivatives of the Free Energy Second Sphere Energies Second derivatives of the exchange-correlation energy Second energy derivatives, nuclear magnetic Second ionization energy Second order energy expression Second-order correction to energy Second-order correlation energy for Second-order energy Second-order energy correction Second-order quasiparticle electron energies Second-order self-energy Second-order stark energy Second-order vibrational perturbation theory energy levels Sodium second ionization energy The Gibbs Energy First and Second Law Methods Trends in Second and Successive Ionization Energies Water second-order correlation energy