Theoretical chemistry & modeling

News and Updates

A man in brown camouflage clothing, including baseball cap, gloves and ear protection, uses a long pole to clean the inside of an HVAC unit outside a military tent.

NIST Study Identifies Chemical Blends as Possible Alternative Refrigerants

May 29, 2019

More than a dozen chemical blends could serve as alternative refrigerants that won’t heat the atmosphere as much as today’s refrigerants do, or catch fire

Horizontal blue mesh shaped like chicken wire featuring a regular pattern of some bigger holes. White balls are scattered around and some are going through the big holes.

NIST Simulations Suggest Graphene Can Stretch to Be a Tunable Ion Filter

November 26, 2018

Researchers at the National Institute of Standards and Technology (NIST) have conducted simulations suggesting that graphene, in addition to its many other

NIST Researchers Simulate Simple Logic for Nanofluidic Computing

June 29, 2018

Invigorating the idea of computers based on fluids instead of silicon, researchers at the National Institute of Standards and Technology (NIST) have shown how

Projects and Programs

NCNR DAC and CCUS efforts

Overview Capture of carbon dioxide from the air (direct air capture; DAC) combined with energy efficiency and carbon capture, utilization and storage (CCUS)

Electric-acoustic spectroscopy for intermolecular interactions in solution

NIST’s Material Measurement Laboratory and Communications Technology Laboratory are developing a new spectroscopy for intermolecular interactions. The team is

Far-infrared Spectroscopy of Biomolecules (Archived)

Far-infrared (or terahertz/THz, ca. 25 to 300 micron wavelength) femtosecond pulsed laser and Fourier-transform infrared methods are employed to measure

NIST Standard Reference Simulation Website

NIST Standard Reference Database 173 Last Update to Data Content: September 2017 DOI: https://doi.org/10.18434/T4M88Q The Standard Reference Simulation

Publications

Recommendation system to predict missing adsorption properties of nanoporous materials

September 7, 2021

Author(s)

Arni Sturluson, Ali Raza, Grant McConachie, Daniel Siderius, Xaioli Fern, Cory Simon

Nanoporous materials (NPMs) selectively adsorb and concentrate gases into their pores and thus could be used to store, capture, and sense many different gases

Efficient ab initio Estimation of Formation Enthalpies for Organic Compounds: Extension to Sulfur and Critical Evaluation of Experimental Data

September 1, 2021

Author(s)

Eugene Paulechka, Andrei F. Kazakov

The efficient protocol for estimation of gas-phase enthalpies of formation developed previously for C, H, O, N, and F elements was extended to sulfur. The

Atomic Model Structure of the NIST Monoclonal Antibody (NISTmAb) Reference Material

July 15, 2021

Author(s)

Christina Bergonzo, David Gallagher

As monoclonal antibodies have become a vital resource in medicine, knowledge of their complex molecular structures has increased in importance. Thousands of

Field-induced dehydration and optimal ionic escape paths for C2N membranes

June 11, 2021

Author(s)

Miroslav Barabash, William Gibby, Dmitry Luchinsky, Binquan Luan, Alexander Smolyanitsky, Peter McClintock

Most analytic theories describing electrostatically driven ion transport through water-filled nanopores assume that the corresponding permeation barriers are