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Federal
NIST X-ray Photoelectron Spectroscopy Database - SRD 20
National Institute of Standards and Technology —
NIST X-ray Photoelectron Spectroscopy Database XPS contains over 33,000 data records that can be used for the identification of unknown lines, retrieval of data for... -
Federal
NIST Tables of X-Ray Mass Energy-Absorption Coefficients and Mass Attenuation Coefficients - SRD 126
National Institute of Standards and Technology —
Tables of X-Ray Mass Attenuation Coefficients and Mass Energy - Absorption Coefficients from 1 keV to 20 MeV for Elements Z = 1 to 92 and 48 Additional Substances of... -
Federal
NIST Electron-Impact Ionization Cross Section Database - SRD 107
National Institute of Standards and Technology —
This is a database of total ionization cross sections of atoms and molecules by electron impact. The cross sections were calculated using the Binary-Encounter-Bethe... -
Federal
NIST Chemistry WebBook - SRD 69
National Institute of Standards and Technology —
The NIST Chemistry WebBook provides users with easy access to chemical and physical property data for chemical species through the internet. The data provided in the... -
Federal
NIST Electron Inelastic-Mean-Free-Path Database - SRD 71
National Institute of Standards and Technology —
The NIST Electron Inelastic-Mean-Free-Path Database provides values of electron inelastic mean free paths (IMFPs) principally for use in surface analysis by Auger-... -
Federal
NIST Chemical Kinetics Database
National Institute of Standards and Technology —
The NIST Chemical Kinetics Database includes essentially all reported kinetics results for thermal gas-phase chemical reactions. The database is designed to be... -
Federal
NIST Reference Fluid Thermodynamic and Transport Properties Database (REFPROP) Version 10 - SRD 23
National Institute of Standards and Technology —
REFPROP is an acronym for REFerence fluid PROPerties. This program, developed by the National Institute of Standards and Technology (NIST), calculates the... -
Federal
NIST Stopping-Power & Range Tables for Electrons, Protons, and Helium Ions - SRD 124
National Institute of Standards and Technology —
The databases ESTAR, PSTAR, and ASTAR calculate stopping-power and range tables for electrons, protons, or helium ions. Stopping-power and range tables can be... -
Federal
NIST ITS-90 Thermocouple Database - SRD 60
National Institute of Standards and Technology —
This database reproduces a subset of the tables and reference functions of NIST Monograph 175, 'Temperature Electromotive Force Reference Functions and Tables for the... -
Federal
NIST Reference Fluid Thermodynamic and Transport Properties Database (REFPROP) Version 9 - SRD 23
National Institute of Standards and Technology —
**NOTICE: THIS VERSION OF REFPROP (9.1) has been superseded by Version 10: https://doi.org/10.18434/T4/1502528 ** NIST Standard Reference Data 23 contains revised... -
Federal
NIST-JANAF Thermochemical Tables - SRD 13
National Institute of Standards and Technology —
The Fourth Edition to the NIST-JANAF Thermochemical Tables has been assembled under the sponsorship of the Standard Reference Data Program at the National Institute... -
Federal
NIST Computational Chemistry Comparison and Benchmark Database - SRD 101
National Institute of Standards and Technology —
The NIST Computational Chemistry Comparison and Benchmark Database is a collection of experimental and ab initio thermochemical properties for a selected set of gas-... -
Federal
NIST/ASME Steam Properties Database - SRD 10
National Institute of Standards and Technology —
The NIST/ASME Steam Properties Database is based upon the International Association for the Properties of Water and Steam (IAPWS) 1995 formulation for general and... -
Federal
TREC 2022 Clinical Trials Dataset
National Institute of Standards and Technology —
The goal of the Clinical Trials track is to focus research on the clinical trials matching problem: given a free text summary of a patient health record, find... -
Federal
NIST Interatomic Potentials Repository
National Institute of Standards and Technology —
This repository provides a source for interatomic potentials (force fields), related files, and evaluation tools to help researchers obtain interatomic models and... -
Federal
NIST Handbook of Basic Atomic Spectroscopic Data - SRD 108
National Institute of Standards and Technology —
This handbook provides a selection of the most important and frequently used atomic spectroscopic data in an easily accessible format. The compilation includes energy... -
Federal
NIST X-Ray Transition Energies Database - SRD 128
National Institute of Standards and Technology —
This X-ray transition table provides the energies and wavelengths for the K and L transitions connecting energy levels having principal quantum numbers n = 1, 2, 3,... -
Federal
NIST Atomic Spectra Database - SRD 78
National Institute of Standards and Technology —
This database provides access and search capability for NIST critically evaluated data on atomic energy levels, wavelengths, and transition probabilities that are... -
Federal
NIST Thermophysical Properties of Hydrocarbon Mixtures Database- SRD 4
National Institute of Standards and Technology —
SUPERTRAPP is an interactive computer program for predicting thermodynamic and transport properties of pure fluids and fluid mixtures containing up to 20 components.... -
Federal
NIST Handprinted Forms and Characters - NIST Special Database 19
National Institute of Standards and Technology —
Special Database 19 contains NIST's entire corpus of training materials for handprinted document and character recognition. It publishes Handprinted Sample Forms from...