Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Skip to content
4 datasets found
  • 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 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 Atomic Spectra Database - SRD 78

    Department of Commerce —

    This database provides access and search capability for NIST critically evaluated data on atomic energy levels, wavelengths, and transition probabilities that are...
  • Federal

    NIST Handbook of Basic Atomic Spectroscopic Data - SRD 108

    Department of Commerce —

    This handbook provides a selection of the most important and frequently used atomic spectroscopic data in an easily accessible format. The compilation includes energy...
4 datasets found

You can also access this registry using the API (see API Docs).

Didn't find what you're looking for? Suggest a dataset here.