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Molecule
Caesium Monoxide
CAS: 20281-00-9 · Cs2O
2D Structure
3D Structure
Loading 3D structure...
Basic Information
- CAS Registry Number
- 20281-00-9
- Molecular Formula
- Cs2O
- Molecular Mass
- 281.81 g/mol
Identifiers
CAS Registry Number
20281-00-9
SMILES
[Cs].[Cs].[O]
InChI Key
DGEOOKOMXSQODE-UHFFFAOYSA-N
InChI
InChI=1S/2Cs.O
Names and Synonyms
- Caesium Monoxide Synonym
- Cesium oxide (Cs2O) Synonym
- Cesium oxide Synonym
- Dicesium oxide Synonym
- Dicesium monoxide Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 281.81 g/mol | CAS Common Chemistry |
| 281.809 g/mol | RDKit | |
| 285.841 g/mol | chempirical lib | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Caesium_monoxide | CAS Common Chemistry |
| Canonical SMILES | [Cs]O[Cs] | CAS Common Chemistry |
| InChI | InChI=1S/2Cs.O | CAS Common Chemistry |
| InChI Key | InChIKey=DGEOOKOMXSQODE-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 4.33 °C | CAS Common Chemistry |
| Name | Cesium oxide | CAS Common Chemistry |
| Caesium monoxide | CAS Common Chemistry | |
| Heavy Atom Count | 3 | 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 | -0.8804000000000001 | RDKit |
| -0.8804 | RDKit | |
| Molar Refractivity | 12.1945 cm³/mol | RDKit |
| Ring Count | 0 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 0.0 | RDKit |
| Exact Mass | 281.80581842 g/mol | RDKit |
Spectral Data
NMR, IR, and Mass spectral data
Predicting NMR spectra...
10 ppm
9
8
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3
2
1
0 ppm
| Shift (ppm) | Multiplicity | Integration | Assignment |
|---|
200 ppm
180
160
140
120
100
80
60
40
20
0 ppm
| Shift (ppm) | DEPT | Assignment |
|---|
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 = 281.81 g/mol. Edit any field — others recompute live.
