Dinitrogen oxide (N2O)

Linear N–N–O isomer common in teaching thermochemistry; different resonance forms stress formal charge vs MO locales. Teaching note: figures illustrate qualitative electronic structure; quantitative benchmarking should use larger bases, dispersion, and experimental structures.

Geometry
Linear
Polarity
Polar
Bond angle
180°
Hybridisation
sp / sp2 mixing along axis
VSEPR
AX2
Bonds
NN σ + NO interactions
Molecular orbitals
16 valence MOs; π manifold couples both σ backbones.
SMILES
N=[N+]=[O-]

Electron density: spin-paired GPAW (PBE) on an isolated gas-phase geometry; molecular orbitals: restricted mean-field RHF with sto-3g in PySCF unless noted.

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