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Molecule
Iron(Ii) Oxide
CAS: 1345-25-1 · FeO
2D Structure
3D Structure
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Basic Information
- CAS Registry Number
- 1345-25-1
- Molecular Formula
- FeO
- Molecular Mass
- 71.844 g/mol
Identifiers
CAS Registry Number
1345-25-1
SMILES
[Fe].[O]
InChI Key
UQSXHKLRYXJYBZ-UHFFFAOYSA-N
InChI
InChI=1S/Fe.O
Names and Synonyms
- Iron(Ii) Oxide Synonym
- Iron monoxide Synonym
- Iron monooxide Synonym
- Iron(II) oxide Synonym
- Iron oxide Synonym
- Iron oxide (FeO) Synonym
- C.I. 77489 Synonym
- Ferrous oxide Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Density | 5.70 g/cm³ | CAS Common Chemistry |
| 5.7 g/cm3 | CAS Common Chemistry | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Iron(II)_oxide | CAS Common Chemistry |
| Canonical SMILES | O=[Fe] | CAS Common Chemistry |
| InChI | InChI=1S/Fe.O | CAS Common Chemistry |
| InChI Key | InChIKey=UQSXHKLRYXJYBZ-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 1360 °C | CAS Common Chemistry |
| Name | Ferrous oxide | CAS Common Chemistry |
| Iron(II) oxide | CAS Common Chemistry | |
| Molecular Mass | 71.844 g/mol | RDKit |
| 71.92985211999999 g/mol | RDKit | |
| 75.876 g/mol | chempirical lib | |
| Heavy Atom Count | 2 | RDKit |
| Hydrogen Bond Acceptors | 0 | RDKit |
| Hydrogen Bond Donors | 0 | RDKit |
| Rotatable Bonds | 0 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 28.5 Ų | RDKit |
| LogP | -0.1213 | RDKit |
| Molar Refractivity | 0.6865 cm³/mol | RDKit |
| Ring Count | 0 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 0.0 | RDKit |
| Exact Mass | 71.84 g/mol | CAS Common Chemistry |
Spectral Data
NMR, IR, and Mass spectral data
Predicting NMR spectra...
10 ppm
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1
0 ppm
| Shift (ppm) | Multiplicity | Integration | Assignment |
|---|
200 ppm
180
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40
20
0 ppm
| Shift (ppm) | DEPT | Assignment |
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Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.
External Resources
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MW = 71.84 g/mol; density = 5.700 g/mL. Edit any field — others recompute live.