Benzene 3D Molecular Model — CAS 71-43-2
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Free educational benzene model (C6H6, CAS 71-43-2) with an engraved element symbol on every atom.
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Benzene (C6H6, CAS 71-43-2) — a free educational 3D molecular model for teachers and students, by MolGod.org. Instead of colour coding, every sphere carries its engraved element symbol.
Look at the skeleton first: Benzene contains one aromatic 6-membered ring, and students can trace 12 bonds (6 single and 6 aromatic). Hand the model round and let students tally the engraved atoms: 6 C + 6 H, 12 in total. A good fit for lessons on aromaticity and delocalised electrons. Pair it with pyridine (CAS 110-86-1) from the same collection to compare two close structures. It has no hydrogen-bond donors or acceptors (computed), a useful contrast with alcohols and amines when you discuss intermolecular forces.
MolGod.org shares these models for free to make chemistry tangible in the classroom. Teachers: print one per group and let students check the structure against the formula.
Full record and more free models: https://molgod.org/molecule/71-43-2/?utm_source=printables&utm_medium=referral&utm_campaign=edu-3d-models
Licence & provenance: https://molgod.org/licenses/stl/71-43-2/
Same file on Wikimedia Commons: https://commons.wikimedia.org/wiki/File:Benzene-3D-molecular-model-engraved-CAS-71-43-2.stl
A ball-and-stick model of Benzene with each element symbol recessed into its atom sphere, generated by MolGod.org from a PubChem-computed 3D conformer (not an experimental crystal structure); atomic coordinates and connectivity are unchanged. STL mesh: 157,530 triangles, closed (watertight) single solid. Coordinates in ångström (STL stores no unit) — scale the model deliberately in your slicer.
Names in other languages: Benzol (de); benzène (fr); benzeen (nl); benzen (pl); 苯 (zh).
Chemical identity: CAS Registry Number 71-43-2 | Molecular formula C6H6 | Molar mass 78.11 g/mol | IUPAC name: benzene | MolGod ID MG_386-938-392-24 (https://molgod.org/id/MG_386-938-392-24) | PubChem CID 241 | Wikidata Q2270 | EC number 200-753-7 | ChemSpider ID 236 | InChIKey UHOVQNZJYSORNB-UHFFFAOYSA-N | SMILES c1ccccc1
Required attribution (CC BY-SA 4.0): "Benzene 3D model by MolGod.org — https://molgod.org/molecule/71-43-2/ — CC BY-SA 4.0"
Licence text: https://creativecommons.org/licenses/by-sa/4.0/