- Formula: He
- Molecular weight: 4.002602
- IUPAC Standard InChIKey: SWQJXJOGLNCZEY-UHFFFAOYSA-N
- CAS Registry Number: 7440-59-7
- Chemical structure:
This structure is also available as a 2d Mol file
- Information on this page:
- Other data available:
- Data at other public NIST sites:
- NIST Atomic Spectra Database - Lines Holdings (on physics web site)
- NIST Atomic Spectra Database - Levels Holdings (on physics web site)
- NIST Atomic Spectra Database - Ground states and ionization energies (on physics web site)
- Electron-Impact Ionization Cross Sections (on physics web site)
- Computational Chemistry Comparison and Benchmark Database
- Gas Phase Kinetics Database
Data at NIST subscription sites:
- NIST / TRC Web Thermo Tables, "lite" edition (thermophysical and thermochemical data)
- NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)
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- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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