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Molecule
Mercury(Ii) Oxide
CAS: 21908-53-2 · HgO
2D Structure
3D Structure
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Basic Information
- CAS Registry Number
- 21908-53-2
- Molecular Formula
- HgO
- Molecular Mass
- 216.59 g/mol
Identifiers
CAS Registry Number
21908-53-2
SMILES
[Hg].[O]
InChI Key
UKWHYYKOEPRTIC-UHFFFAOYSA-N
InChI
InChI=1S/Hg.O
Names and Synonyms
- Mercury(Ii) Oxide Common Name
- Mercury oxide (HgO) Synonym
- Mercuric oxide Synonym
- Mercury monoxide Synonym
- Mercuric oxide (HgO) Synonym
- C.I. 77760 Synonym
- Yellow Mercuric Oxide Synonym
- Mercury(2+) oxide Synonym
- Santar M Synonym
- Santar Synonym
- Mercury(II) oxide Synonym
- Red mercuric oxide Synonym
- Mercury oxide Synonym
- Yellow precipitate Synonym
- Red mercury oxide Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 216.59 g/mol | CAS Common Chemistry |
| 217.96555762 g/mol | RDKit | |
| 216.589 g/mol | RDKit | |
| 219.615 g/mol | chempirical lib | |
| Density | 11.10 g/cm³ | CAS Common Chemistry |
| 11.1 g/cm3 | CAS Common Chemistry | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Mercury(II)_oxide | CAS Common Chemistry |
| Canonical SMILES | O=[Hg] | CAS Common Chemistry |
| InChI | InChI=1S/Hg.O | CAS Common Chemistry |
| InChI Key | InChIKey=UKWHYYKOEPRTIC-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 500 °C (decomp) | CAS Common Chemistry |
| Name | Mercuric oxide | CAS Common Chemistry |
| Mercury(II) oxide | CAS Common Chemistry | |
| 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 | 216.589 g/mol | RDKit |
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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140
120
100
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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 = 216.59 g/mol; density = 11.100 g/mL. Edit any field — others recompute live.
