Alchemical insights into approximately quadratic energies of iso-electronic atoms

SL Krug, OA von Lilienfeld - The Journal of Chemical Physics, 2024 - pubs.aip.org
Accurate quantum mechanics based predictions of property trends are so important for
material design and discovery that even inexpensive approximate methods are valuable …

Even order contributions to relative energies vanish for antisymmetric perturbations

OA von Lilienfeld, G Domenichini - arXiv preprint arXiv:2306.16409, 2023 - arxiv.org
When using perturbation theory around an averaged electronic reference Hamiltonians,
even order contributions to energy differences between any two iso-electronic compounds …

Optimization of general molecular properties in the equilibrium geometry using quantum alchemy: An inverse molecular design approach

T Shiraogawa, J Hasegawa - The Journal of Physical Chemistry A, 2023 - ACS Publications
Inverse molecular design allows the optimization of molecules in chemical space and is
promising for accelerating the development of functional molecules and materials. To design …

The alchemical integral transform revisited

SL Krug, O Anatole von Lilienfeld - The Journal of Chemical Physics, 2025 - pubs.aip.org
We recently introduced the Alchemical Integral Transform (AIT), enabling the prediction of
energy differences, and guessed an ansatz to parameterize space r in some alchemical …

[HTML][HTML] Extending the definition of atomic basis sets to atoms with fractional nuclear charge

G Domenichini - The Journal of Chemical Physics, 2024 - pubs.aip.org
Alchemical transformations showed that perturbation theory can be applied also to changes
in the atomic nuclear charges of a molecule. The alchemical path that connects two different …

The Generalized Alchemical Integral Transform

SL Krug, OA von Lilienfeld - arXiv preprint arXiv:2312.04458, 2023 - arxiv.org
We recently introduced the Alchemical Integral Transform (AIT) enabling the prediction of
energy differences, and guessed an Ansatz to parametrize space $\pmb {r} $ in some …

[PDF][PDF] Relative and Systematic Methods in Computational Alchemy

SL Krug - 2024 - depositonce.tu-berlin.de
The prediction of properties is among the central pursuits of computational chemistry,
condensed matter, and materials design. However, the mathematical and computational …