- InChI
- InChI=1S/Si2/c1-2
- InChI Key
- NTQGILPNLZZOJH-UHFFFAOYSA-N
- Formula
- Si2
- SMILES
- [Si]#[Si]
- Molecular Weight1
- 56.17
- CAS
- 12597-35-2
- ω : Acentric Factor.
- EA : Electron affinity (eV).
- ΔfG° : Standard Gibbs free energy of formation (kJ/mol).
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- ΔvapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
- IE : Ionization energy (eV).
- log10WS : Log10 of Water solubility in mol/l.
- logPoct/wat : Octanol/Water partition coefficient.
- Pc : Critical Pressure (kPa).
- Tboil : Normal Boiling Point Temperature (K).
- Tc : Critical Temperature (K).
- Tfus : Normal melting (fusion) point (K).
- Vc : Critical Volume (m3/kmol).
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ω | 0.0721 | Relay (... Calculated Property | |
| EA | [2.20; 2.60] | eV |
|
| EA | 2.23 ± 0.01 | eV | NIST |
| EA | 2.20 ± 0.01 | eV | NIST |
| EA | 2.20 ± 0.01 | eV | NIST |
| EA | 2.60 | eV | NIST |
| ΔfG° | 14.36 | kJ/mol | Relay (... Calculated Property ⚠️ |
| ΔfH°gas | -28.78 | kJ/mol | Relay (... Calculated Property |
| ΔvapH° | 16.48 | kJ/mol | Relay (... Calculated Property |
| IE | [7.30; 8.04] | eV |
|
| IE | 7.90 | eV | NIST |
| IE | 8.04 ± 0.13 | eV | NIST |
| IE | 7.30 | eV | NIST |
| IE | 7.40 ± 0.30 | eV | NIST |
| log10WS | -0.18 | Relay (... Calculated Property | |
| logPoct/wat | -0.762 | Crippen Calculated Property | |
| Pc | 2427.31 | kPa | Relay (... Calculated Property ⚠️ |
| Tboil | 157.86 | K | Relay (... Calculated Property |
| Tc | 214.37 | K | Relay (... Calculated Property |
| Tfus | 47.43 | K | Relay (... Calculated Property |
| Vc | 0.157 | m3/kmol | Relay (... Calculated Property |
Similar Compounds
Find more compounds similar to Silicon dimer.
Sources
- Cheméo Relay (1.0)
- Cheméo Relay (1.0, beta) ⚠️ Beta: served but experimental, data-limited and below our cross-validation release bar; the Joback value is recommended where available.
- Crippen Method
- Crippen Method
- NIST Webbook
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