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Atomic orbitals: 6s equations

The symbols used in the following are:

  • r = radius expressed in atomic units (1 Bohr radius = 52.9 pm)
  • π = 3.14159 approximately
  • e = 2.71828 approximately
  • Z = effective nuclear charge for that orbital in that atom.
  • ρ = 2Zr/n where n is the principal quantum number (6 for the 6s orbital)
Table of equations for the 6s orbital.
Function Equation
Radial wave function, R6s = (1/2160√6) × (720 - 1800ρ + 1200ρ2 - 300ρ3 + 30ρ4 - ρ5) × Z3/2 × e-ρ/2
Angular wave function, Y6s = 1 × (1/4π)1/2
Wave function, ψ6s = R6s × Y6s
Electron density = ψ6s2
Radial distribution function = 4πr2ψ6s2
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