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Chemistry Preprint PDF DOI

Enhancing molecular dynamics with equivariant machine-learned densities

Mihail Bogojeski, Muhammad R. Hasyim, Leslie Vogt-Maranto, Klaus-Robert Muller, Kieron Burke, Mark E. Tuckerman · 2026

Machine-learning interatomic potentials (MLIPs) have enabled molecular dynamics at near ab initio accuracy, yet remain limited to energies and forces by construction, leaving electronic observables su…

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Chemistry Preprint PDF DOI

Dataset Distillation for Machine Learning Force Field in Phase Transition Regime

Ruiyang Chen, Qingyuan Zhang, Ji Chen · 2026

Machine learning force field (MLFF) has emerged as a powerful data-driven tool for atomistic simulations, enabling large-scale and complex atomic systems to be simulated with accuracy comparable to \t…

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Chemistry Preprint PDF DOI

Understanding the Density Maximum of Water with Machine Learned Potentials

Yizhi Song, Renxi Liu, Chunyi Zhang, Yifan Li, Biswajit Santra, Mohan Chen, Michael L. Klein, Xifan Wu · 2026

After melting, at ambient pressure, the density of water continues to increase with temperature until it reaches a maximum around 4 {\deg}C. For nearly a century, this phenomenon has been qualitativel…

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Chemistry Preprint PDF DOI

An Accurate Tensorial Model for Prediction of Full Zeolite NMR Spectra

Carlos Bornes, Chiheb Ben Mahmoud, Volker L. Deringer, Christopher J. Heard, Lukas Grajciar · 2026

Solid state nuclear magnetic resonance (ss-NMR) is one of the most sensitive and popular techniques for structure elucidation in geometrically complex crystalline materials, such as zeolites. Synergis…

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Chemistry Preprint PDF DOI

Stable, Fast, and Accurate Kohn-Sham Inversion in Gaussian Basis for Open Shell Molecular and Condensed Phase Systems via Density Matrix Penalization

Ziwei Chai, Sandra Luber · 2026

Here we present a density matrix based KS inversion method formulated entirely within a Gaussian basis representation to optimize a KS potential matrix that reproduces a target electron density. Inver…

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Chemistry Preprint PDF DOI

Suiren-1.0 Technical Report: A Family of Molecular Foundation Models

Junyi An, Xinyu Lu, Yun-Fei Shi, Li-Cheng Xu, Nannan Zhang, Chao Qu, Yuan Qi, Fenglei Cao · 2026

We introduce Suiren-1.0, a family of molecular foundation models for the accurate modeling of diverse organic systems. Suiren-1.0 comprising three specialized variants (Suiren-Base, Suiren-Dimer, and …

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Chemistry Preprint PDF DOI

Adaptive tensor train metadynamics for high-dimensional free energy exploration

Nils E. Strand, Siyao Yang, Yuehaw Khoo, Aaron R. Dinner · 2026

A key challenge for molecular dynamics simulations is efficient exploration of free energy landscapes over relevant collective variables (CV). Common methods for enhancing sampling become prohibitivel…

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Chemistry Preprint PDF DOI

Tensor Hypercontraction Error Correction Using Regression

Ishna Satyarth, Eric C. Larson, Devin A. Matthews · 2026

Wavefunction-based quantum methods are some of the most accurate tools for predicting and analyzing the electronic structure of molecules, in particular for accounting for dynamical electron correlati…

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Chemistry Preprint PDF DOI

How to Train a Shallow Ensemble

Moritz Schafer, Matthias Kellner, Johannes Kastner, Michele Ceriotti · 2026

Shallow ensembles provide a convenient strategy for uncertainty quantification in machine learning interatomic potentials, that is computationally efficient because the different ensemble members shar…

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Chemistry Preprint PDF DOI

Spectral Homogenization of the Radiative Transfer Equation via Low-Rank Tensor Train Decomposition

Y. Sungtaek Ju · 2026

Radiative transfer in absorbing-scattering media requires solving a transport equation across a spectral domain with 10^5 - 10^6 molecular absorption lines. Line-by-line (LBL) computation is prohibiti…

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Chemistry Preprint PDF DOI

Machine learning exploration of binding energy distributions of H2O at astrochemically relevant dust grain surfaces

Anant Vaishnav, Niels M. Mikkelsen, Mie Andersen · 2026

Binding energies (BEs) of adsorbates on interstellar dust grains critically control adsorption, desorption, diffusion, and surface reactivity, and therefore strongly influence astrochemical models of …

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Chemistry Preprint PDF DOI

FragmentFlow: Scalable Transition State Generation for Large Molecules

Ron Shprints, Peter Holderrieth, Juno Nam, Rafael Gomez-Bombarelli, Tommi Jaakkola · 2026

Transition states (TSs) are central to understanding and quantitatively predicting chemical reactivity and reaction mechanisms. Although traditional TS generation methods are computationally expensive…

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Chemistry Preprint PDF DOI

A Software Package for Generating Robust and Accurate Potentials using the Moment Tensor Potential Framework

Josiah Roberts, Biswas Rijal, Simon Divilov, Jon-Paul Maria, William G. Fahrenholtz, Douglas E. Wolfe, Donald W. Brenner, Stefano Curtarolo, Eva Zurek · 2025

We present the Plan for Robust and Accurate Potentials (PRAPs), a software package for training and using moment tensor potentials (MTPs) in concert with the Machine Learned Interatomic Potentials (ML…

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Chemistry Preprint PDF DOI

qs$GW$ quasiparticle and $GW$-BSE excitation energies of 133,885 molecules

Dario Baum, Arno Forster, Lucas Visscher · 2025

Machine learning applications in the chemical sciences, especially when based on neural networks, critically depend on the availability of large quantities of high quality data. As they provide excell…

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Chemistry Preprint PDF DOI

Generalization of Long-Range Machine Learning Potentials in Complex Chemical Spaces

Michal Sanocki, Julija Zavadlav · 2025

The vastness of chemical space makes generalization a central challenge in the development of machine learning interatomic potentials (MLIPs). While MLIPs could enable large-scale atomistic simulation…

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Chemistry Preprint PDF DOI

Digital Surfactant

Sayeedul I. Sheikh, V. Subhasree Navya, Riya Sharma, Sudip Roy, Jayant K. Singh · 2025

Surfactants play an important role in determining the cleaning performance and stability of detergents. However, the design of new surfactants using traditional methods is often time-consuming, comple…

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Chemistry Preprint PDF DOI

Solvaformer: an SE(3)-equivariant graph transformer for small molecule solubility prediction

Jonathan Broadbent, Michael Bailey, Mingxuan Li, Abhishek Paul, Louis De Lescure, Paul Chauvin, Lorenzo Kogler-Anele, Yasser Jangjou, Sven Jager · 2025

Accurate prediction of small molecule solubility using material-sparing approaches is critical for accelerating synthesis and process optimization, yet experimental measurement is costly and many lear…

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Chemistry Preprint PDF DOI

Knowledge Distillation of Noisy Force Labels for Improved Coarse-Grained Force Fields

Feranmi V. Olowookere, Sakib Matin, Aleksandra Pachalieva, Nicholas Lubbers, Emily Shinkle · 2025

Molecular dynamics simulations are an integral tool for studying the atomistic behavior of materials under diverse conditions. However, they can be computationally demanding in wall-clock time, especi…

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Chemistry Preprint PDF DOI

Resolving the Body-Order Paradox of Machine Learning Interatomic Potentials

Sanggyu Chong, Tong Jiang, Michelangelo Domina, Filippo Bigi, Federico Grasselli, Joonho Lee, Michele Ceriotti · 2025

In many cases, the predictions of machine learning interatomic potentials (MLIPs) can be interpreted as a sum of body-ordered contributions, which is explicit when the model is directly built on neigh…

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Chemistry Preprint PDF DOI

Reactive Chemistry at Unrestricted Coupled Cluster Level: High-throughput Calculations for Training Machine Learning Potentials

Alice E. A. Allen, Rui Li, Sakib Matin, Xing Zhang, Benjamin Nebgen, Nicholas Lubbers, Justin S. Smith, Richard Messerly, Sergei Tretiak, Garnet Kin-Lic Chan, Kipton Barros · 2025

Accurately modeling chemical reactions at the atomistic level requires high-level electronic structure theory due to the presence of unpaired electrons and the need to properly describe bond breaking …

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