Four-Component Relativistic Calculations in Solution with the Polarizable Continuum Model of Solvation: Theory, Implementation, and Application to the Group 16 Dihydrides H2X (X = O, S, Se, Te, Po)
Copyright policy )Four-Component Relativistic Calculations in Solution with the Polarizable Continuum Model of Solvation: Theory, Implementation, and Application to the Group 16 Dihydrides H2X (X = O, S, Se, Te, Po)
We present a formulation of four-component relativistic self-consistent field (SCF) theory for a molecular solute described within the framework of the polarizable continuum model (PCM) for solvation. The linear response function for a four-component PCM-SCF state is also derived, as well as the explicit form of the additional contributions to the first-order response equations. The implementation of such a four-component PCM-SCF model, as carried out in a development version of the DIRAC program package, is documented. In particular, we present the newly developed application programming interface PCMSolver used in the actual implementation with DIRAC. To demonstrate the applicability of the approach, we present and analyze calculations of solvation effects on the geometries, electric dipole moments, and static electric dipole polarizabilities for the group 16 dihydrides H2X (X = O, S, Se, Te, Po).
[CHIM] Chemical Sciences, VDP::Mathematics and natural science: 400::Chemistry: 440::Physical chemistry: 443, VDP::Matematikk og Naturvitenskap: 400::Kjemi: 440::Fysikalsk kjemi: 443
[CHIM] Chemical Sciences, VDP::Mathematics and natural science: 400::Chemistry: 440::Physical chemistry: 443, VDP::Matematikk og Naturvitenskap: 400::Kjemi: 440::Fysikalsk kjemi: 443
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