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Federal
NIST/EPA Gas-Phase Infrared Database JCAMP Format - SRD 35
National Institute of Standards and Technology —
This data collection contains 5,228 infrared spectra of different compounds along with chemical structures for most of them. Spectra are provided on a CD-ROM in the... -
Federal
NIST Atomic Weights and Isotopic Compositions with Relative Atomic Masses
National Institute of Standards and Technology —
The atomic weights are available for elements 1 through 118 and isotopic compositions or abundances are given when appropriate. Version 3.0. -
Federal
NIST/EPA/NIH Mass Spectral Library with Search Program - SRD 1a
National Institute of Standards and Technology —
This database is the product of a multi-year, comprehensive evaluation and expansion of the world's most widely used mass spectral reference library.