navigation banner
skip navigation NIST Physics Laboratory home page go to NIST home page Database home page Introduction and References Table of Atoms Table of Molecules

Neutral Hydrogen

 
Atomic Orbital Constants

Orbital B (eV) U (eV) N Q Double
Ion.
Special
Calc.
Remarks
1s13.605713.60571.00000.5668Nononenone
B: Binding Energy
U: Average Kinetic Energy
N: Electron Occupation Number
Q: Dipole Constant
Double Ion.: If yes, include this twice to account for double ionization.
Special Calc.: Use this n in Eq. (1) of Introduction instead of the default n=1.

Differential Cross Section
 
Incident electron energy, T = eV (required)
Ejected electron energy, W = eV (optional)


navigation banner
NIST Physical Measurement  Laboratory home page go to NIST home page Database home page Introduction and References Table of Atoms Table of Molecules