Molecular Quantum Chemical Data Sets and Databases for Machine Learning PotentialsThe field of computational chemistry is increasingly leveraging machine learning (ML) potentials to predict molecular properties with high accuracy and efficiency, providing a viable alternative to…Arif Ullah, Yuxinxin Chen, Pavlo O. Dral·Aug 22, 2024SaveLearn
Capturing anharmonic effects in single vibronic level fluorescence spectra using local harmonic Hagedorn wavepacket dynamicsHagedorn wavepacket dynamics yields exact single vibronic level (SVL) fluorescence spectra in global harmonic models. To partially describe the effects of anharmonicity, important in the spectra of…Zhan Tong Zhang, Máté Visegrádi, Jiří J. L. Vaníček·Aug 21, 2024SaveLearn
Multiple Topology Replica Exchange of Expanded Ensembles (MT-REXEE) for Multidimensional Alchemical CalculationsRelative free energy calculations are now widely used in academia and industry, but the accuracy is often limited by poor sampling of the complexes conformational ensemble. To address this, we have…Anika J. Friedman, Wei-Tse Hsu, Michael R. Shirts·Aug 20, 2024SaveLearn
Machine-Learning-Based Construction of Molecular Potential and Its Application in Exploring the Deep-Lying-Orbital Effect in High-Order Harmonic GenerationCreating soft-Coulomb-type (SC) molecular potential within single-active-electron approximation (SAE) is essential since it allows solving time-dependent Schr\"odinger equations with fewer…Duong D. Hoang-Trong, Khang Tran, Doan-An Trieu et al.·Aug 20, 2024SaveLearn
Revisiting the measurements and interpretations of DLVO forcesThe DLVO theory and electrical double layer (EDL) theory are the foundation of colloid and interface science. With the invention and development of surface forces apparatus (SFA) and atomic force…Bo Feng, Xiantang Liu, Xinmin Liu et al.·Aug 20, 2024SaveLearn
Enhanced strong-field ionization and fragmentation of methanol using non-commensurate fieldsElectron-initiated chemistry with chemically relevant electron energies (10-200 eV) is at the heart of several high-energy processes and phenomena. To probe these dissociation and fragmentation…Eladio Prieto Zamudio, Rituparna Das, Naga Krishnakanth Katturi et al.·Aug 19, 2024SaveLearn
Elucidating the mechanism of helium evaporation from liquid waterWe investigate the evaporation of trace amounts of helium solvated in liquid water using molecular dynamics simulations and theory. Consistent with experimental observations, we find a…Kritanjan Polley, Kevin R. Wilson, David T. Limmer·Aug 19, 2024SaveLearn
Orbital Energies Are Chemical Potentials in Ground-State Density Functional Theory and Excited-State TheoryWe prove the general chemical potential theorem: the noninteracting one-electron orbital energies in DFT ground states and excited states are corresponding chemical potentials of electron…Weitao Yang, Yichen Fan·Aug 19, 2024SaveLearn
Does basis set superposition error significantly affect post-CCSD(T) corrections?We have investigated the title question for both a subset of the W4-11 total atomization energies benchmark, and for the A24x8 noncovalent interactions benchmark. Overall, counterpoise corrections to…Vladimir Fishman, Emmanouil Semidalas, Margarita Shepelenko et al.·Aug 19, 2024SaveLearn
Microheterogeneity and Single-Molecule Mixture Science: An IntroductionMicroheterogeneity, as a fundamental natural property, is widely presented in a range of microscopic systems such as polymer systems, biomacromolecular systems, and nanosystems, however, the…Yu Tang·Aug 19, 2024SaveLearn
Towards a correct description of initial electronic coherence in nonadiabatic dynamics simulationsThe recent improvement in experimental capabilities for interrogating and controlling molecular systems with ultrafast coherent light sources calls for the development of theoretical approaches that…Jonathan R. Mannouch, Aaron Kelly·Aug 18, 2024SaveLearn
All-Electron Molecular Tunnel Ionization Based on the Weak-Field Asymptotic Theory in the Integral RepresentationTunnel ionization (TI) underlies many important ultrafast processes, such as high-harmonic generation and strong-field ionization. Among the existing theories for TI, many-electron weak-field…Imam S. Wahyutama, Denawakage D. Jayasinghe, Francois Mauger et al.·Aug 18, 2024SaveLearn
Machine Learning Potentials: A Roadmap Toward Next-Generation Biomolecular SimulationsMachine learning potentials offer a revolutionary, unifying framework for molecular simulations across scales, from quantum chemistry to coarse-grained models. Here, I explore their potential to…Gianni De Fabritiis·Aug 17, 2024SaveLearn
Isotope-Selective Strong Field Ionization of Semi-Heavy WaterSemi-heavy water (HOD) is one of the simplest molecules in which the bonds are labelled by isotope. We demonstrate that a pair of intense few-femtosecond infrared laser pulses can be used to…Andrew J. Howard, M. Britton, Zachary L. Streeter et al.·Aug 17, 2024SaveLearn
PACKMOL- GUI: An All-in-One VMD Interface for Efficient Molecular PackingPACKMOL is a widely utilized molecular modeling tool within the computational chemistry community. However, its perceivable advantages have been impeded by the long-standing lack of a robust…Jian Huang, Chenchen Wu, Xiner Yang et al.·Aug 16, 2024SaveLearn
Photoluminescence decay of mobile carriers influenced by imperfect quenching at particle surfaces with subdiffusive spreadWe recently presented a quantitative model to explain the particle-size dependence of photoluminescence (PL) quantum yields and revealed that exciton quenching is not diffusion controlled, but…Ryuzi Katoh, Kazuhiko Seki·Aug 16, 2024SaveLearn
Meta-creatures: Developing an omnipotent hydrogel cell to construct bio-inspired systemsDue to current technological challenges, including the complexity of precise control, low long-term survival and success rates, difficulty in maintaining function over extended periods, and high…Hanqing Dai, Wenqing Dai, Yuanyuan Chen et al.·Aug 16, 2024SaveLearn
Fractional Charges, Linear Conditions and Chemical Potentials for Excited States in SCF TheoryTo describe excited states, the electron density alone being insufficient, we use the noninteracting reference density matrix γs( x, x') based on the recently established…Weitao Yang, Yichen Fan·Aug 15, 2024SaveLearn
The Joint Solvation InteractionThe solvent-induced interactions (SII) between flexible solutes can be separated into two distinct components: the solvation-induced conformational effect, and the joint solvation interaction (JSI).…Ali Hassanali, Colin K. Egan·Aug 15, 2024SaveLearn
Accurate and efficient structure elucidation from routine one-dimensional NMR spectra using multitask machine learningRapid determination of molecular structures can greatly accelerate workflows across many chemical disciplines. However, elucidating structure using only one-dimensional (1D) NMR spectra, the most…Frank Hu, Michael S. Chen, Grant M. Rotskoff et al.·Aug 15, 2024SaveLearn
Efficient Composite Infrared Spectroscopy: Combining the Doubly-Harmonic Approximation with Machine Learning PotentialsVibrational spectroscopy is a cornerstone technique for molecular characterization and offers an ideal target for the computational investigation of molecular materials. Building on previous…Philipp Pracht, Yuthika Pillai, Venkat Kapil et al.·Aug 15, 2024SaveLearn
Prediction of NMR Parameters and geometry in 133Cs-containing compounds using Density Functional TheoryThe need to immobilize low-level nuclear waste, in particular 137Cs-bearing waste, has led to a growing interest in geopolymer-based waste matrices, in addition to optimization attempts of cement…Nurit Manukovsky, Noy Vaisleib, Michal Arbel-Haddad et al.·Aug 15, 2024SaveLearn
Hessian QM9: A quantum chemistry database of molecular Hessians in implicit solventsA significant challenge in computational chemistry is developing approximations that accelerate ab initio methods while preserving accuracy. Machine learning interatomic potentials (MLIPs)…Nicholas J. Williams, Lara Kabalan, Ljiljana Stojanovic et al.·Aug 15, 2024SaveLearn
Simultaneous imaging of vibrational, rotational, and electronic wave packet dynamics in a triatomic moleculeLight-induced molecular dynamics often involve the excitation of several electronic, vibrational, and rotational states. Since the ensuing electronic and nuclear motion determines the pathways and…Huynh Van Sa Lam, Van-Hung Hoang, Anbu Selvam Venkatachalam et al.·Aug 15, 2024SaveLearn
Non-iterative Triples for Transcorrelated Coupled Cluster TheoryWe present an implementation of a perturbative triples correction for the coupled cluster ansatz including single and double excitations based on the transcorrelated Hamiltonian. Transcorrelation…Maximilian Mörchen, Alberto Baiardi, Michał Lesiuk et al.·Aug 15, 2024SaveLearn