>[!warning] >This content has not been peer reviewed. # Molecule ## I. What it is (established science) Molecules are bound assemblies of atoms (bonds, geometry, electronic structure). Stability and reactivity are governed by quantum chemistry and, in practice, by DFT or force fields. See bonding and electronic structure; RST maps nodes = atoms, edges = bonds, and **relational maintenance** at molecular scale ([[../../expanded theory applied/further applications/Reality Engine/Reality Engine roadmap and limits]]). ## II. RST/RRT reading | Physics | RST/RRT | |:---|:---| | Atoms + bonds | **composed_of** [[Atom]]; edges = bonds (relational maintenance). | | Molecular scale | **typical_scale** → Molecular ([[Scale registry]]: molecule ~ \(10^{-9}\) m). | | Fidelity \(\mu\) | Stability / coherence; same Resource Triangle and I = Ω·μ. | ## III. Relations - **composed_of:** [[Atom]]. - **typical_scale:** [[Scale registry]] (Molecular). - **translates_from:** [[Atom]]. Translation rule: [[../../expanded theory applied/further applications/Material layer/Material layer (RST)#V. Layer-to-layer translation|Material layer (RST) §V]]. - **translates_to:** — (or Unit cell for solid-state). ```scale_part L 1e-9 ```