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Elemental Data Index
The Elemental Data Index provides access to the holdings of NIST Physical Measurement Laboratory (PML) online data organized by element. It is intended to simplify the process... -
NIST Atomic Spectra Database - SRD 78
This database provides access and search capability for NIST critically evaluated data on atomic energy levels, wavelengths, and transition probabilities that are reasonably up-... -
NIST Atomic Spectral Line Broadening Bibliographic Database
This interactive database, maintained by the NIST Atomic Spectroscopy Data Center, contains more than 6000 references, dating from 1889 through current year and is updated... -
NIST Atomic Spectra Database - SRD 78
This database provides access and search capability for NIST critically evaluated data on atomic energy levels, wavelengths, and transition probabilities that are reasonably up-... -
NIST Atomic Energy Levels and Spectra Bibliographic Database
References contained in this database are from Bibliography on Atomic Energy Levels and Spectra, NBS Special Publication 363 and Supplements, as well as current references since... -
NIST Ground Levels and Ionization Energies for the Neutral Atoms - SRD 111
Data for ground state electron configurations and ionization energies for the neutral atoms (Z = 1-104) including references. Version 2.0. -
NIST X-Ray Transition Energies Database - SRD 128
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, and 4. The...