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Molecule
Mercury(Ii) Iodide
CAS: 7774-29-0 · HgI2
2D Structure
3D Structure
Loading 3D structure...
Basic Information
- CAS Registry Number
- 7774-29-0
- Molecular Formula
- HgI2
- Molecular Mass
- 454.40 g/mol
Identifiers
CAS Registry Number
7774-29-0
SMILES
[Hg+2].[I-].[I-]
InChI Key
YFDLHELOZYVNJE-UHFFFAOYSA-L
InChI
InChI=1S/Hg.2HI/h;2*1H/q+2;;/p-2
Names and Synonyms
- Mercury(Ii) Iodide Synonym
- Mercury iodide (HgI2) Synonym
- Mercuric iodide Synonym
- Red Mercuric Iodide Synonym
- Mercury diiodide Synonym
- Mercuric diiodide Synonym
- Diiodomercury Synonym
- Mercury(2+) diiodide Synonym
- Mercury(2+) iodide Synonym
- Mercury(II) iodide Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 454.40 g/mol | CAS Common Chemistry |
| 455.779589 g/mol | RDKit | |
| 454.398 g/mol | RDKit | |
| 457.424 g/mol | chempirical lib | |
| Density | 6.28 g/cm³ | CAS Common Chemistry |
| 6.28 g/cm3 | CAS Common Chemistry | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Mercury(II)_iodide | CAS Common Chemistry |
| Boiling Point | 350 °C | CAS Common Chemistry |
| Canonical SMILES | I[Hg]I | CAS Common Chemistry |
| InChI | InChI=1S/Hg.2HI/h;2*1H/q+2;;/p-2 | CAS Common Chemistry |
| InChI Key | InChIKey=YFDLHELOZYVNJE-UHFFFAOYSA-L | CAS Common Chemistry |
| Melting Point | 259 °C | CAS Common Chemistry |
| Name | Mercuric iodide | 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 | 0.0 Ų | RDKit |
| LogP | -5.9945 | RDKit |
| Molar Refractivity | 0.0 cm³/mol | RDKit |
| Ring Count | 0 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 0.0 | RDKit |
| Exact Mass | 454.398 g/mol | RDKit |
Spectral Data
NMR, IR, and Mass spectral data
Predicting NMR spectra...
10 ppm
9
8
7
6
5
4
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 = 454.40 g/mol; density = 6.280 g/mL. Edit any field — others recompute live.
