EELS DB collects electron energy loss spectroscopy and X-ray spectra, with records covering 43 elements.
Atomic & Molecular Database
Browse atomic data on ionization potentials, energy levels, spectra, and particle collisions in CAMDB.
About Atomic & Molecular Database
The Atomic & Molecular Database from the Institute of Applied Physics and Computational Mathematics collects, assesses, and compiles atomic and molecular data for elementary processes, especially for plasma simulation and diagnosis. It includes atomic ionization potentials, levels, spectra, electron-impact processes, recombination, autoionization, photon ionization, heavy-particle collisions, opacity, quantum defects, and bibliography, with selection by periodic table, plus molecular spectra and collision sections.
The site reports more than 2.7 million records, with part of the data from the old SPECTR database. The molecular database is under construction, and the latest update shown is 12/31/2018.
Key features
- Browse atomic ionization potentials, levels, and spectra
- Select atomic data from the periodic table
- Look up electron-impact excitation and ionization data
- Look up dielectronic recombination, autoionization, and photon ionization
- Look up heavy-particle collisions, opacity, and quantum defects
- Browse molecular spectra and molecular collision sections
Best for: Researchers doing plasma simulation and diagnosis who need atomic process and spectra data.
Good for
- Contains more than 2.7 million atomic and molecular records
- Collects and assesses data for elementary processes for plasma work
- Includes bibliography records and links to other atomic databases
Watch out for
- Molecular database is described as under construction
- Latest update shown is 12/31/2018
Atomic & Molecular Database at a glance
- Website
- camdb.ac.cn/e
- Category
- Research & Data › Open Data & Datasets
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Atomic & Molecular Database FAQ
How do I find atomic data for a specific element?
Select atomic data from the periodic table or use the index of atomic spectra, ionization potentials and levels.
Where did part of the data come from?
Part came from the old version of the SPECTR database by A.Ya Faenov et al.
Is the molecular database complete?
No. The site states the molecular database is under construction.
Is something wrong or out of date?
Tell us and an editor will check it.
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