Glycidol 3D Molecular Model — CAS 556-52-5
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Free educational Glycidol model (C3H6O2, CAS 556-52-5) with an engraved element symbol on every atom.
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Glycidol (C3H6O2, CAS 556-52-5) — a free educational 3D molecular model for teachers and students, by MolGod.org. Instead of colour coding, every sphere carries its engraved element symbol.
Ask students to describe the framework of Glycidol before anything else: one 3-membered ring. Then count the bonds together; there are 11 (all of them single). Counting task: 3 C + 6 H + 2 O gives 11 engraved spheres; can the class rebuild the formula C3H6O2 from the model alone? This molecule gives students these functional groups to identify: hydroxyl group (-OH) and epoxide ring (three-membered C-O-C ring). Glycidol makes an open question in stereochemistry: one stereocentre, configuration not given, and room for students to propose R or S. Worth bringing out when the syllabus reaches chirality, enantiomers and CIP (R/S) rules, alcohols and hydrogen bonding, as well as ring strain in three-membered rings.
MolGod.org offers this engraved model free to anyone teaching or learning chemistry. Teachers: pair it with the MolGod.org record to connect the 3D shape with identifiers and data.
Full record and more free models: https://molgod.org/molecule/556-52-5/?utm_source=printables&utm_medium=referral&utm_campaign=edu-3d-models
Licence & provenance: https://molgod.org/licenses/stl/556-52-5/
Same file on Wikimedia Commons: https://commons.wikimedia.org/wiki/File:Glycidol-3D-molecular-model-engraved-CAS-556-52-5.stl
A ball-and-stick model of Glycidol 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: 131,496 triangles, closed (watertight) single solid. Coordinates in ångström (STL stores no unit) — scale the model deliberately in your slicer.
Names in other languages: glicidolo (it); 缩水甘油 (zh).
Chemical identity
CAS Registry Number: 556-52-5
Molecular formula: C3H6O2
Molar mass: 74.08 g/mol (exact mass 74.036779430)
IUPAC name: oxiran-2-ylmethanol
MolGod ID: MG_785-546-757-47 (https://molgod.org/id/MG_785-546-757-47)
PubChem CID: 11164 (https://pubchem.ncbi.nlm.nih.gov/compound/11164)
Wikidata: Q418265 (https://www.wikidata.org/wiki/Q418265)
EC number: 209-128-3
ChemSpider ID: 10691
InChIKey: CTKINSOISVBQLD-UHFFFAOYSA-N
SMILES: C1C(O1)CO
Required attribution (CC BY-SA 4.0): "Glycidol 3D model by MolGod.org — https://molgod.org/molecule/556-52-5/ — CC BY-SA 4.0"
Licence text: https://creativecommons.org/licenses/by-sa/4.0/