Multicomponent equation-of-motion coupled cluster singles and doubles: Theory and calculation of excitation energies for positronium hydride

252. F. Pavošević and S. Hammes-Schiffer, “Multicomponent equation-of-motion coupled cluster singles and doubles: Theory and calculation of excitation energies for positronium hydride,” J. Chem. Phys. 150, 161102 (2019).