ExoAtom

⁴He⁺: NIST Data Set version 20240901

⁴He II | mass = 4.002602 u

Max temperature: 6000 K

This data collection is critically evaluated and recommended for accuracy.

• 4He_p__NIST.trans [7.4 KB]
  Transitions for (4He)+ from the NIST dataset.
  • Number of transitions: 27
  • Max wavenumber: 426717.4 cm-1
• 4He_p__NIST.states [17.3 KB]
  Energy levels for (4He)+ from the NIST dataset.
  • Number of states: 148
  • Max energy: 437811.65594 cm-1
• 4He_p__NIST.pf [152.3 KB]
  Partition function for (4He)+ from the NIST dataset.
  • Max temperature: 6000 K
• 4He_p__NIST.adef.json [4.5 KB]
  Metadata definition file for (4He)+ from the NIST dataset.