TURBOMOLE: Today and tomorrow

YJ Franzke, C Holzer, JH Andersen… - Journal of chemical …, 2023 - ACS Publications
TURBOMOLE is a highly optimized software suite for large-scale quantum-chemical and
materials science simulations of molecules, clusters, extended systems, and periodic solids …

Spin-State Splittings in 3d Transition-Metal Complexes Revisited: Benchmarking Approximate Methods for Adiabatic Spin-State Energy Differences in Fe (II) …

M Reimann, M Kaupp - Journal of Chemical Theory and …, 2022 - ACS Publications
The CASPT2+ δMRCI composite approach reported in a companion paper has been
extended and used to provide high-quality reference data for a series of adiabatic spin gaps …

[HTML][HTML] Exact two-component theory becoming an efficient tool for NMR shieldings and shifts with spin–orbit coupling

YJ Franzke, C Holzer - The Journal of Chemical Physics, 2023 - pubs.aip.org
We present a gauge-origin invariant exact two-component (X2C) approach within a modern
density functional framework, supporting meta-generalized gradient approximations such as …

[HTML][HTML] Current density functional framework for spin–orbit coupling

C Holzer, YJ Franzke, A Pausch - The Journal of Chemical Physics, 2022 - pubs.aip.org
Relativistic two-component density functional calculations are carried out in a non-collinear
formalism to describe spin–orbit interactions, where the exchange–correlation functional is …

Reducing Exact Two-Component Theory for NMR Couplings to a One-Component Approach: Efficiency and Accuracy

YJ Franzke - Journal of Chemical Theory and Computation, 2023 - ACS Publications
The self-consistent and complex spin–orbit exact two-component (X2C) formalism for NMR
spin–spin coupling constants [J. Chem. Theory Comput. 17, 2021, 3874− 3994] is reduced …

[HTML][HTML] Robust relativistic many-body Green's function based approaches for assessing core ionized and excited states

M Kehry, W Klopper, C Holzer - The Journal of Chemical Physics, 2023 - pubs.aip.org
A two-component contour deformation (CD) based GW method that employs frequency
sampling to drastically reduce the computational effort when assessing quasiparticle states …

Practical post-Kohn–Sham methods for time-reversal symmetry breaking references

C Holzer - Journal of Chemical Theory and Computation, 2023 - ACS Publications
The applicability of reduced scaling algorithms based on auxiliary subspace methods for the
correlation energy from the random phase approximation (RPA) as well as the correlation …

Paramagnetic nuclear magnetic resonance shifts for triplet systems and beyond with modern relativistic density functional methods

YJ Franzke, F Bruder, S Gillhuber… - The Journal of …, 2024 - ACS Publications
An efficient framework for the calculation of paramagnetic NMR (pNMR) shifts within exact
two-component (X2C) theory and (current-dependent) density functional theory (DFT) up to …

Zero-field splitting parameters within exact two-component theory and modern density functional theory using seminumerical integration

F Bruder, YJ Franzke, C Holzer… - The Journal of Chemical …, 2023 - pubs.aip.org
An efficient implementation of zero-field splitting parameters based on the work of Schmitt et
al.[J. Chem. Phys. 134, 194113 (2011)] is presented. Seminumerical integration techniques …

Paramagnetic NMR shielding tensors based on scalar exact two-component and spin–orbit perturbation theory

F Bruder, YJ Franzke, F Weigend - The Journal of Physical …, 2022 - ACS Publications
The temperature-dependent Fermi-contact and pseudocontact terms are important
contributions to the paramagnetic NMR shielding tensor. Herein, we augment the scalar …