- InChI
- InChI=1S/H6Si2/c1-2/h1-2H3
- InChI Key
- PZPGRFITIJYNEJ-UHFFFAOYSA-N
- Formula
- H6Si2
- SMILES
- [SiH3][SiH3]
- Molecular Weight1
- 62.22
- CAS
- 1590-87-0
- ω : Acentric Factor.
- 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).
- Pvap : Vapor 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 | 0.2132 | Relay (1.0) Calculated Property | |
| ΔfG° | -22.17 | kJ/mol | Relay (1.0-beta) Calculated Property |
| ΔfH°gas | -194.36 | kJ/mol | Relay (1.0) Calculated Property |
| ΔvapH° | 15.56 | kJ/mol | Relay (1.0) Calculated Property |
| IE | [9.74; 10.60] | eV |
|
| IE | 9.74 ± 0.02 | eV | NIST |
| IE | 9.74 ± 0.02 | eV | NIST |
| IE | 9.90 ± 0.40 | eV | NIST |
| IE | 10.00 | eV | NIST |
| IE | 10.15 ± 0.10 | eV | NIST |
| IE | 10.60 ± 0.30 | eV | NIST |
| IE | 10.53 | eV | NIST |
| IE | 10.53 | eV | NIST |
| log10WS | -0.64 | Relay (1.0) Calculated Property | |
| logPoct/wat | -2.368 | Crippen Calculated Property | |
| Pc | 4241.72 | kPa | Relay (1.0-beta) Calculated Property |
| Tboil | 218.33 | K | Relay (1.0) Calculated Property |
| Tc | 361.77 | K | Relay (1.0) Calculated Property |
| Tfus | 91.31 | K | Relay (1.0) Calculated Property |
| Vc | 0.193 | m3/kmol | Relay (1.0) Calculated Property |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [0.02; 5135.27] | kPa | [143.85; 432.00] |
The Yaws Handbook of Vapor Pressure
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.41248e+01 | |||
| Coefficient B | -2.33806e+03 | |||
| Coefficient C | -1.30600e+01 | |||
| Temperature range, min. | 143.85 | |||
| Temperature range, max. | 432.00 | |||
| Pvap | 0.02 | kPa | 143.85 | Calculated Property |
| Pvap | 0.79 | kPa | 175.87 | Calculated Property |
| Pvap | 8.36 | kPa | 207.88 | Calculated Property |
| Pvap | 45.50 | kPa | 239.90 | Calculated Property |
| Pvap | 162.80 | kPa | 271.92 | Calculated Property |
| Pvap | 439.97 | kPa | 303.93 | Calculated Property |
| Pvap | 976.27 | kPa | 335.95 | Calculated Property |
| Pvap | 1876.13 | kPa | 367.97 | Calculated Property |
| Pvap | 3235.98 | kPa | 399.98 | Calculated Property |
| Pvap | 5135.27 | kPa | 432.00 | Calculated Property |
Similar Compounds
Find more compounds similar to disilane.
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
- The Yaws Handbook of Vapor Pressure
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