High-school and first-year chemistry through the C/T lens. Side-by-side classic method and C/T method. Same answer, leaner derivation.
Written for a sceptical chemist or physicist who knows Lewis structures, orbital diagrams, and hybridisation — but wants to see whether the C/T framework actually delivers the same results with less machinery.
| Chapter | Title | Classic concept | C/T concept |
|---|---|---|---|
| Ch 1 | The Single Bond: H₂ | σ/σ* MOs, bond order | C-box at eq; T-arrow snap on stretch |
| Ch 2 | The Double Bond: Ethylene | π/π* MOs, rotation barrier | Two T-arrows; rotation = diradical snap |
| Ch 3 | Aromaticity: Benzene | Hückel 4n+2, delocalisation | T-arrow closure; ΔE_res = 54.5 mEh |
| Ch 4 | Lone Pairs: H₂O | sp³ hybrids, dipole | All C-boxes at eq; H⁰ exactly |
| Ch 5 | Spin Crossover: Fe(II) SCO | Crystal field t₂g/e_g | NOON snap at Δ; β snap |
| Ch 6 | Nitrogen Fixation: N₂/FeMoco | Triple bond, nitrogenase | 3 BIND operations; resource theory |