Molecular Orbital Diagram: Period 2 Homonuclear Diatomics

The complete valence MO diagram for any diatomic from H₂ to F₂, plus an idealised "Model" diatomic. Toggle s–p mixing for Period 2 species with an occupied 2p, and click any level to see that orbital's shape.

Diatomic

N₂

valence electron configuration

—

bond order

magnetism

diamagnetic

s–p mixing

MO energy-level diagram click a level to see its shape (valence orbitals only)

Selected orbital: σ(2p) ψ = …

bonding MO antibonding MO nodal surface (ψ = 0) ↑ ↓ electrons, filled by the Aufbau principle + Hund's rule extra σ(2s)–σ(2p) and σ*(2s)–σ*(2p) interaction (s–p mixing, when on)