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Molecule
Silicon Tetrabromide
CAS: 7789-66-4 · Br4Si
2D Structure
3D Structure
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Basic Information
- CAS Registry Number
- 7789-66-4
- Molecular Formula
- Br4Si
- Molecular Mass
- 347.70 g/mol
Identifiers
CAS Registry Number
7789-66-4
SMILES
Br[Si](Br)(Br)Br
InChI Key
AIFMYMZGQVTROK-UHFFFAOYSA-N
InChI
InChI=1S/Br4Si/c1-5(2,3)4
Names and Synonyms
- Silicon Tetrabromide Common Name
- Silane, tetrabromo- Synonym
- Silicon bromide (SiBr4) Synonym
- Tetrabromosilane Synonym
- Silicon tetrabromide Synonym
- Perbromosilane Synonym
- Silicon bromide Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 347.70 g/mol | CAS Common Chemistry |
| 347.702 g/mol | RDKit | |
| Density | 2.77 g/cm³ | CAS Common Chemistry |
| 2.772 g/cm3 @ 25 °C | CAS Common Chemistry | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Silicon_tetrabromide | CAS Common Chemistry |
| Boiling Point | 154 °C | CAS Common Chemistry |
| Canonical SMILES | Br[Si](Br)(Br)Br | CAS Common Chemistry |
| InChI | InChI=1S/Br4Si/c1-5(2,3)4 | CAS Common Chemistry |
| InChI Key | InChIKey=AIFMYMZGQVTROK-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 5 °C | CAS Common Chemistry |
| Name | Silicon bromide | CAS Common Chemistry |
| Silicon tetrabromide | CAS Common Chemistry | |
| Heavy Atom Count | 5 | 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 | 3.0016000000000003 | RDKit |
| 3.0016 | RDKit | |
| Molar Refractivity | 41.461999999999996 cm³/mol | RDKit |
| Ring Count | 0 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 0.0 | RDKit |
| Exact Mass | 343.65027493 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 = 347.70 g/mol; density = 2.770 g/mL. Edit any field — others recompute live.
