Spin Migration in the Argon DimerWe introduce the concept of spin migration, i.e. time-dependent spin density, and the absolute smallest example of molecular spintronics. We illustrate the concept by ab initio…Stefanos Carlström, Serguei Patchkovskii, Misha Yu Ivanov·Oct 9, 2026SaveLearn
Accuracy of Vibrational Properties of Machine-Learning Force Fields for Molecular Crystal TransformationsMachine-learning force fields (MLFFs) enable the calculation of transformation pathways in molecular crystals at a fraction of the computational cost of density functional theory (DFT). However, a…Natalia Goncharova, Oskar Schweighofer, Johannes Hoja·Oct 9, 2026SaveLearn
Electron-Density-Informed Molecular Property Prediction Using Surrogate FunctionalsMachine learning methods are increasingly used to predict chemical properties directly from the molecular structure to bypass the often prohibitive cost of quantum mechanical calculations. Recent…Manuel V. Klockow, Simon Wagner, Roman Remme et al.·Oct 9, 2026SaveLearn
Unveiling the Influence of Graphitic Nanocarbon Structures, Defects, and Surface Functional Groups on Supercapacitive Performance in LiTFSI ElectrolyteWhen investigating the performance of supercapacitors (SCs), it was found that they offer high-power density and long life but are limited in capacity and energy density. Water-in-salt electrolytes,…Phongphot Sakulaue, Bénédicte Réty, Takafumi Ishii et al.·Oct 9, 2026SaveLearn
Quantum dynamics of an ion in an RF quadrupole trap with weak octupolar anharmonicityWe investigate the quantum dynamics of a single ion confined in a radio-frequency (RF) Paul trap in the presence of weak octupole-induced anharmonicity, as can occur in realistic ion-trap potential.…Sukanya Jana, Anushree Dey, Pintu Manadal et al.·Oct 9, 2026SaveLearn
Quantitative modeling of acid-base equilibriaSimulating acid-base equilibria from first principles is a tremendous challenge, as it requires modeling bond-breaking events in a complex hydrogen-bonding environment. The quantum mechanical…Qianjun Xu, Simin Liu, Cesare Malosso et al.·Oct 9, 2026SaveLearn
NucleoNet: A Nuclear-Aware Determinant Ansatz for Multi-Geometry Neural Variational Monte CarloNeural-network variational Monte Carlo provides an accurate route to solving the electronic Schrödinger equation, but many neural wavefunctions are optimized for a single nuclear geometry, requiring…Qiao Gao, Yang Huang, Enze Hou et al.·Oct 9, 2026SaveLearn
Predictive Synthesis of MOFs and COFsPredictive synthesis concerns the prospective modeling of how a targeted structure can be realized. The synthesis of metal-organic frameworks (MOFs) and covalent organic frameworks (COFs)…Bin Feng, Reid A. Coyle, Shyam Chand Pal et al.·Oct 8, 2026SaveLearn
The Reference Set Is Not the Answer Set: GEOM-DRUGS Is Missing Low-Energy Conformers on Its Own Energy SurfaceMachine-learned conformer generators are scored on GEOM-DRUGS by proximity to a reference ensemble that standard benchmark metrics implicitly treat as ground truth. We test whether that finite set is…Alvand Vahediahmar, Aaron Zweig, Mingxuan Zhang et al.·Oct 8, 2026SaveLearn
MolP2SBench: Do LLMs Really Reason from Molecular Properties to Structure?Large language models (LLMs) are increasingly used in molecular discovery and structure elucidation, where decisions depend on physical observations. Existing evaluations primarily focus on…Yuhang Xie, Zhiyi Shi, Zeyi Zhang et al.·Oct 8, 2026SaveLearn
MERCE: Method-Space Correlation Energy Extrapolation toward High-Rank Coupled Cluster AccuracyEnergy extrapolation is a well-established strategy for approaching quantum-chemical limits without performing prohibitively expensive calculations. Complete basis set extrapolation is widely used,…Mateusz Witkowski, Szymon Śmiga, Pavlo O. Dral et al.·Oct 8, 2026SaveLearn
MAST: Motif-Augmented Diffusion with Search Tree for Spectroscopic Molecular Structure ElucidationElucidating molecular structures from spectra is a foundational problem in chemical and materials characterization, yet remains challenging due to spectral ambiguity and the vast molecular space.…Chenghao Jia, Mengdi Liu, Hong Chang et al.·Oct 8, 2026SaveLearn
Gas-phase chemistry of C3H3+: a key building block for carbon mass growth in spaceThe gas-phase chemistry of C3H3+ plays a central role in the growth of carbonaceous species across a wide range of environments, from combustion systems to interstellar media.…Corentin Rossi, Jean-Christophe Loison, Anne P. Rasmussen et al.·Oct 8, 2026SaveLearn
Unitary Coupled Cluster Nuclear Shielding Constants in a Quantum Linear Response FrameworkWe present calculations of nuclear shielding constants, a key ingredient in nuclear magnetic resonance spectroscopy, within a quantum-computing-suitable framework. We employ quantum linear response…Juliane H. Fuglsbjerg, Sonia Coriani, Jacob Kongsted et al.·Oct 8, 2026SaveLearn
Optical absorption spectra from the GW-Bethe-Salpeter framework for thousands of atomsThe frequency-dependent absorption and emission of light determine the colors of matter and underpin today's technologies, from solar cells to light-emitting diodes. Predicting optical properties…Maximilian Graml, Ritaj Tyagi, Rémi Pasquier et al.·Oct 8, 2026SaveLearn
Predictable Accuracy of Martini 3 Absolute Protein-Ligand Binding Free Energies across 15 TargetsAlchemical free-energy calculations predict protein-ligand binding affinities with close-to-experimental accuracy, but their cost restricts them to small sets of ligands. Coarse-grained (CG) models…Luis J. Walter, Tristan Bereau·Oct 8, 2026SaveLearn
Non-Perturbative Vibrational Excitation by Arbitrary Electric Fields from Classical Phase-Space DynamicsWe present a non-perturbative framework for the quantum treatment of vibrational excitation in molecular systems driven by electric fields with arbitrary time dependence. For harmonic potentials with…Sameernandan Upadhyayula, Jiří J. L. Vaníček·Oct 8, 2026SaveLearn
Isotope Effects at Classical Cost through Mass-Differentiable Machine LearningIsotope effects govern fractionation and modulate reactivity, with applications from hydrogen energy to environmental science and catalysis, yet predicting them requires resolving small…Ming-Zheng Du, Shi-Yu He, Jing Shen et al.·Oct 8, 2026SaveLearn
Looking Under the Streetlight: Evaluation in Generative Molecular DynamicsThis position paper argues that the generative molecular dynamics (GenMD) community is not properly evaluating its progress: current evaluations let a model match what is reported while being…Simon Olsson, Frank Noé, Grant M. Rotskoff et al.·Oct 7, 2026SaveLearn
Visualizing Three-Dimensional Quantum Fluctuations of Ground-State C3H4 via Deep Sub-Angstrom Coulomb Explosion ImagingCoulomb explosion imaging (CEI) is a powerful tool for determining static geometries of isolated gas-phase molecules. In this work, taking allene and propyne as prototype, we demonstrate sub-angstrom…Mei Wang, Yue Gao, Hang Yuan et al.·Oct 7, 2026SaveLearn
Ab Initio Investigation of Excited States and Absorption Spectra of Small Mercury Clusters (Hg2-5)We report a systematic ab initio investigation of the excited states and absorption spectra of small mercury clusters (Hg2-5). Benchmarking multi-reference configuration…Michal Novotný, František Karlický·Oct 7, 2026SaveLearn
Overcoming the limitations of body-ordered potentials for atomistic machine learningMachine-learning interatomic potentials have become indispensable tools in atomistic simulations. The most popular models rely heavily on physical priors, such as locality, smoothness and symmetry,…Filippo Bigi, Michelangelo Domina, Maximilian Lloyd Ach et al.·Oct 7, 2026SaveLearn
General Time-Dependent Surface Flux for Multiple Ionization and Fragmentation of Molecules. I: General TheoryWe introduce a method for efficiently computing multiple photofragmentation of atoms and molecules into photoelectrons and nuclear fragments. The method is a generalization of the time-dependent…Stefanos Carlström, Serguei Patchkovskii·Oct 7, 2026SaveLearn
LLM-Assisted Generation of Transparent, Open-Source Multiphysics Models of Electrochemical DevicesMultiphysics continuum models are powerful tools for studying electrochemical devices, enabling in silico reactor design and resolution of local pH, potential, and concentration fields that govern…Sebastian Castro, Maya F. Schuchert, Spencer A. McCluskey et al.·Oct 7, 2026SaveLearn
Cotunneling-Assisted Redistribution of Nonpassivity in a Photosynthetic JunctionWe investigate how cotunneling affects passive-state ordering in a Photosystem II reaction center modelled as a nonequilibrium molecular junction. We use a full pigment excitation manifold, with…Manjet Rajak, Trishna Kalita, Debasish Sharma et al.·Oct 7, 2026SaveLearn