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and Molecular Physics
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Atomic
and Molecular Physics
The NIST Atomic Physics
Program produces the most comprehensive set of reliable atomic data available
anywhere.
The NIST collection
of atomic energy levels, transition probabilities, and collision data
is widely used by groups for characterizing and modeling all types of
gaseous systems, including plasmas, planetary atmospheres, and astrophysical
media, and for health physics applications. Databases and publications
make these data easy to find and easy to use. The physics online databases
have grown into an extensive listing. The NIST Chemistry WebBook now contains
electronic and vibrational spectra for over 4000 compounds. The WebBook
also contains constants of diatomic molecules.
The SRD Program has
also produced several important compilations of molecular data.
The codes in the
list below have the following meanings:
PC |
PC product,
most available for purchase, some are free |
Online |
Free online
system |
DG |
Inclusion in
the NIST Data Gateway - a portal providing access to many NIST scientific
and technical databases. It is searchable by keyword, property, or
substance name. |
*
|
Product contains
data that have undergone rigorous critical evaluation by experienced
researchers who recommend best values. |
Atomic
and Molecular Physics Databases
NIST Chemistry WebBook, Online, DG*
NIST Elastic-Electron-Scattering Cross-Section Database,
PC, DG*
NIST Electron and Positron Stopping Powers of Materials,
PC, DG*
NIST Electron Effective-Attenuation-Length Database,
PC, DG*
NIST Electron Inelastic-Mean-Free-Path Database,
PC, DG*
Elemental
Data Index, Online, DG*
Electron-Impact
Ionization Cross Section Database, Online, DG *
Handbook
of Basic Atomic Spectroscopic Data Online, DG *
Atomic
Spectroscopic Data
Atomic
Reference Data for Electronic Structure Calculation Online, DG*
Atomic Spectra Database [Version
2.0] [Version
1.3], Online, DG*
Atomic
Spectral Line Broadening Bibliographic Database, Online, DG*
Atomic
Transition Probabilitiy Bibliographic Database, Online, DG*
Ground
Levels and Ionization Energies for the Neutral Atoms, Online, DG*
Atlas
of the Spectrum of Platinum/Neon Hollow-Cathode Lamp, Online, DG*
Spectral
Data for the Chandra X-ray Observatory, Online, DG*
Molecular
Spectroscopic Data
Diatomic
Spectral Database, Online*
Hydrocarbon
Spectral Database, Online*
NIST
Recommended Rest Frequencies for Observed Interstellar Molecular Microwave
Transitions, Online, DG*
Triatomic
Spectral Database, Online*
Wavenumber
Tables for Calibration of Infrared Spectrometers, Online, DG*
Photoionization
of CO2 (ARPES), Online, DG *
Nuclear
Physics
Atomic
Weights & Isotopic Composition, Online, DG *
Radionuclide
Half-Life Measurements Online, DG*
Physical
Constants
Fundamental Physical
Constants, Online, DG*
Guidelines
for Evaluating and Expressing Measurement Uncertainty, Online, DG*
International System of Units
(SI), Online, DG*
Searchable
Bibliography on the Constants, Online, DG*
Radiation
Dosimetry
Stopping-Power
and Range Tables for Electrons, Protons, and Helium Ions, Online, DG*
X-Ray
and Gamma-Ray Data
Bibliography
of Photon Total Cross Section, Online, DG*
Note on x-ray
attenuation databases, DG*
XCOM:
Photon Cross Sections Database, Online, DG*
Tables
of X-Ray Mass Attenuation Coefficients and Mass Energy - Absorption Coefficients,
Online, DG*
X-Ray
Form Factor, Attenuation and Scattering Tabulation, Online, DG*
NIST
X-ray Photoelectron Spectroscopy Database, Online, DG*
X-Ray
Transition Energies Database, Online, DG *
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