File:Cuprite-66649.jpg · Wikimedia Commons · See Wikimedia Commons
Chemical data
- Formula
- Cu2O
- Molecular weight
- 143.09 g/mol
- IUPAC name
- copper;oxocopper
- SMILES
- O=[Cu].[Cu]
- InChIKey
- BERDEBHAJNAUOM-UHFFFAOYSA-N
- Polar surface area
- 17.1 Ų
- H-bond donors
- 0
- H-bond acceptors
- 1
- Formal charge
- 0
via PubChem
Wikidata facts
- Has part
- copper
- Mass
- 141.854
Show 9 more facts
- crystal system
- cubic crystal system
- Commons category
- Copper(I) oxide
- canonical SMILES
- O=[Cu].[Cu]
- chemical formula
- Cu₂O
- density
- 6.0
- molar fusion enthalpy
- 64.22
- refractive index
- 2.85
- melting point
- 1244
- decomposition point
- 1800
Sources (2)
via Wikidata · CC0
~5 min read
Encyclopedic overview
Copper(I) oxide or cuprous oxide is the inorganic compound with the formula Cu2O. It is one of the principal oxides of copper, the other being copper(II) oxide or cupric oxide (CuO). The compound can appear either yellow or red, depending on the size of the particles. Cuprous oxide is found as the mineral cuprite. It is a component of some antifouling paints, and has other applications including some that exploit its property as a semiconductor.
Properties
Excerpted from Wikipedia’s “copper(I) oxide” article, available under the CC BY-SA 4.0 licence.