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NIST Atomic Spectra Database - SRD 78

Published by National Institute of Standards and Technology | National Institute of Standards and Technology | Metadata Last Checked: August 02, 2025 | Last Modified: 2017-11-01 00:00:00
This database provides access and search capability for NIST critically evaluated data on atomic energy levels, wavelengths, and transition probabilities that are reasonably up-to-date. The Atomic Spectroscopy Data Center has carried out these critical compilations. The Data Center is located in the Physical Measurement Laboratory at the National Institute of Standards and Technology (NIST).

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Atomic Atomic Spectroscopy Radon actinium aluminium aluminum americium antimony argon arsenic astatine atom atomic physics atomic property atomic-ions barium berkelium beryllium bismuth bohrium boron bromine cadmium calcium californium carbon cerium cesium chlorine chromium cobalt columbium copernicium copper curium darmstadtium database deuterium doubly-charged dubnium dysprosium einsteinium element energy levels erbium europium fermium flerovium fluorine francium gadolinium gallium germanium gold ground states hafnium hassium helium holmium hydrogen indium iodine ionization potentials ionization-energies ionization-limits ionized-atoms iridium iron krypton kurchatovium lanthanum lawrencium lead lithium livermorium lutetium magnesium manganese meitnerium mendelevium mercury molybdenum multiply-charged neodymium neon neptunium neutral nickel niobium nitrogen nobelium osmium oxygen palladium phosphorus platinum plutonium polonium potassium praseodymium promethium protactinium quadruply-charged radium rhenium rhodium roentgenium rubidium ruthenium rutherfordium samarium scandium seaborgium selenium silicium silicon silver singly-charged sodium spectra spectral lines spectroscopy spectrum strontium sulfur sulphur tantalum technetium tellurium terbium thallium thorium thulium tin titanium transition probabilities triply-charged tritium tungsten ununbium ununhexium ununoctium ununpentium ununquadium ununseptium ununtrium unununium uranium vanadium wavelengths xenon ytterbium yttrium zinc zirconium

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