Compute the energy E_n = −13.6/n² eV of the n-th hydrogen level, for Bohr-model, spectrum and atomic-physics level and transition analysis.
氢原子第 n 能级能量。
| Item | Formula / Note | Source / Standard |
|---|---|---|
| Energy levels | E_n = −13.6 eV/n² | Bohr model |
| Rydberg energy | Ry = 13.6057 eV | CODATA 2018 |
| Hydrogen-like | E_n = −13.6Z²/n² eV | Quantum mechanics |
| Fine structure | Splitting of order α² | Dirac theory |
| Lamb shift | QED correction ~1057 MHz | Lamb 1947 |
| Ionisation energy | 13.6 eV ground state | Atomic data |
Constants used on this page and their authoritative sources, for verification and citation
| Constant | Value | Unit | Source |
|---|---|---|---|
| Rydberg constant R_∞ | 10 973 731.568160 | m⁻¹ | CODATA 2018 |
| Rydberg energy (half a hartree) | 13.605693122994 | eV | CODATA 2018 (= hc·R_∞) |
| Planck constant h | 6.62607015e-34 | J·s | SI defining constant (exact) |
| Elementary charge e | 1.602176634e-19 | C | SI defining constant (exact) |
Note: the Bohr model gives E_n = −13.6/n² eV for a fixed nucleus; more accurate levels require the reduced-mass correction plus fine-structure and Lamb-shift terms.