Relativistic heavy-neighbor-atom effects on NMR shifts: Concepts and trends across the periodic table

J Vı́cha, J Novotny, S Komorovsky, M Straka… - Chemical …, 2020 - ACS Publications
Chemical shifts present crucial information about an NMR spectrum. They show the
influence of the chemical environment on the nuclei being probed. Relativistic effects …

Computational protocols for calculating 13C NMR chemical shifts

LB Krivdin - Progress in nuclear magnetic resonance spectroscopy, 2019 - Elsevier
The most recent results dealing with the computation of 13 C NMR chemical shifts in
chemistry (small molecules, saturated, unsaturated and aromatic compounds, heterocycles …

[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 …

ReSpect: Relativistic spectroscopy DFT program package

M Repisky, S Komorovsky, M Kadek… - The Journal of …, 2020 - pubs.aip.org
With the increasing interest in compounds containing heavier elements, the experimental
and theoretical community requires computationally efficient approaches capable of …

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 …

NMR Indirect Spin–Spin Coupling Constants in a Modern Quasi-Relativistic Density Functional Framework

YJ Franzke, F Mack, F Weigend - Journal of Chemical Theory and …, 2021 - ACS Publications
A quasi-relativistic implementation of NMR indirect spin–spin coupling constants is
presented. The exact two-component (X2C) Hamiltonian and its diagonal local …

Paramagnetic NMR shielding tensors and ring currents: efficient implementation and application to heavy element compounds

S Gillhuber, YJ Franzke, F Weigend - The Journal of Physical …, 2021 - ACS Publications
We present an efficient implementation of paramagnetic NMR shielding tensors and shifts in
a nonrelativistic and scalar-relativistic density functional theory framework. For the latter, we …

Theoretical calculations of carbon-hydrogen spin-spin coupling constants

LB Krivdin - Progress in Nuclear Magnetic Resonance …, 2018 - Elsevier
Structural applications of theoretical calculations of carbon-hydrogen spin-spin coupling
constants are reviewed covering papers published mainly during the last 10–15 years with a …

Computational 1H and 13C NMR in structural and stereochemical studies

LB Krivdin - Magnetic Resonance in Chemistry, 2022 - Wiley Online Library
Present review outlines the advances and perspectives of computational 1H and 13C NMR
applied to the stereochemical studies of inorganic, organic, and bioorganic compounds …