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Silicon Tetrabromide
CAS: 7789-66-4 | Br4Si
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
7789-66-4
Molecular Formula:
Br4Si
Molecular Mass:
347.70 g/mol
Names and Synonyms:
Silicon Tetrabromide
Silane, tetrabromo-
Silicon bromide (SiBr4)
Tetrabromosilane
Silicon tetrabromide
Perbromosilane
Silicon bromide
Identifiers:
SMILES:
Br[Si](Br)(Br)Br
InChI:
InChI=1S/Br4Si/c1-5(2,3)4
Key Properties
Boiling Point
154 °C
CAS Common Chemistry
Melting Point
5 °C
CAS Common Chemistry
Density
2.77 g/cm³
CAS Common Chemistry
Spectral Data
NMR, IR, and Mass spectral data
1H NMR
13C NMR
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.
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 347.70 g/mol | CAS Common Chemistry |
| 347.702 g/mol | RDKit | |
| 343.65027493 g/mol | RDKit | |
| Density | 2.77 g/cm³ | CAS Common Chemistry |
| 2.772 g/cm3 @ Temp: 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 |
| Molar Refractivity | 41.461999999999996 | RDKit |