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Molecule
Selenium Dioxide
CAS: 7446-08-4 · O2Se
2D Structure
3D Structure
Loading 3D structure...
Basic Information
- CAS Registry Number
- 7446-08-4
- Molecular Formula
- O2Se
- Molecular Mass
- 110.96 g/mol
Identifiers
CAS Registry Number
7446-08-4
SMILES
O=[Se]=O
InChI Key
JPJALAQPGMAKDF-UHFFFAOYSA-N
InChI
InChI=1S/O2Se/c1-3-2
Names and Synonyms
- Selenium Dioxide Common Name
- Selenium oxide (SeO2) Synonym
- NSC 56753 Synonym
- Selenium(IV) oxide Synonym
- Selenium dioxide Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 110.96 g/mol | CAS Common Chemistry |
| 111.90635054 g/mol | RDKit | |
| 110.958 g/mol | RDKit | |
| Density | 3.95 g/cm³ | CAS Common Chemistry |
| 3.954 g/cm3 @ 15 °C | CAS Common Chemistry | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Selenium_dioxide | CAS Common Chemistry |
| Canonical SMILES | O=[Se]=O | CAS Common Chemistry |
| InChI | InChI=1S/O2Se/c1-3-2 | CAS Common Chemistry |
| InChI Key | InChIKey=JPJALAQPGMAKDF-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 340 °C | CAS Common Chemistry |
| Name | Selenium dioxide | CAS Common Chemistry |
| Heavy Atom Count | 3 | RDKit |
| Hydrogen Bond Acceptors | 2 | RDKit |
| Hydrogen Bond Donors | 0 | RDKit |
| Rotatable Bonds | 0 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 34.14 Ų | RDKit |
| LogP | -0.6184000000000001 | RDKit |
| -0.6184 | RDKit | |
| -0.58 | chempirical lib | |
| Molar Refractivity | 7.126999999999999 cm³/mol | RDKit |
| Ring Count | 0 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 0.0 | RDKit |
| Exact Mass | 110.95799999999998 g/mol | RDKit |
Spectral Data
NMR, IR, and Mass spectral data
Predicting NMR spectra...
10 ppm
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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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Quick conversion
MW = 110.96 g/mol; density = 3.950 g/mL. Edit any field — others recompute live.
