SiCl₂ is a dichlorosilane compound belonging to the organometallic/chlorosilane family, which serves primarily as a chemical precursor rather than an end-use structural material. In industrial practice, SiCl₂ is valued as a synthetic intermediate for producing silicon carbide (SiC) ceramics, silicones, and high-purity silicon through chemical vapor deposition (CVD) and other synthesis routes. Engineers select this compound for applications requiring controlled silicon and carbon incorporation at the molecular level, where its volatility and reactivity enable precise coating and material formation in semiconductor processing and advanced composite manufacturing.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 14.20 | GPa | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.2500 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 9.460 | GPa | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 2.632 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.955 | eV | DFT · OptB88vdW | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Piezoelectric Modulus(eij) | 0.00491 | C/m² | DFT · PBE | ||
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | DFT · PBE |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 1.080 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | 0.1151 | eV/atom | DFT · OptB88vdW |
Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data