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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 Triatomic Spectral Database - SRD 117
National Institute of Standards and Technology —
This data base contains the rotational spectral lines observed and reported in the open literature for 55 triatomic molecules through June 1976. The isotopic... -
Federal
NIST Atomic Transition Probability Bibliographic Database
National Institute of Standards and Technology —
This interactive database, maintained by the NIST Atomic Spectroscopy Data Center, contains more than 8000 references, dating from 1914 through current year and is... -
Federal
NIST Diatomic Spectral Database - SRD 114
National Institute of Standards and Technology —
This database contains the rotational spectral lines observed and reported in the open literature for 121 diatomic molecules through July 2002. The isotopic molecular... -
Federal
NIST Atomic Energy Levels and Spectra Bibliographic Database
National Institute of Standards and Technology —
References contained in this database are from Bibliography on Atomic Energy Levels and Spectra, NBS Special Publication 363 and Supplements, as well as current... -
Federal
NIST Hydrocarbon Spectral Database - SRD 115
National Institute of Standards and Technology —
This database contains the rotational spectral lines observed and reported in the open literature for 91 hydrocarbon molecules through September 1987. The isotopic... -
Federal
NIST Wavenumbers for Calibration of IR Spectrometers - SRD 118
National Institute of Standards and Technology —
Wavenumber Calibration Tables from Heterodyne Frequency Measurements contains tables of gas-phase infrared transition wavenumbers and their spectroscopic assignments... -
Federal
NIST Observed Interstellar Molecular Microwave Transitions Database - SRD 116
National Institute of Standards and Technology —
This database contains critically evaluated transition frequencies for the molecular transitions detected in interstellar and circumstellar clouds reported in the...