- InChI
- InChI=1S/C8H20Si/c1-5-9(6-2,7-3)8-4/h5-8H2,1-4H3
- InChI Key
- VCZQFJFZMMALHB-UHFFFAOYSA-N
- Formula
- C8H20Si
- SMILES
- CC[Si](CC)(CC)CC
- Molecular Weight1
- 144.33
- CAS
- 631-36-7
- Other Names
-
- (C2H5)4Si
- Tetraethylsilane
- Tetraethylsilicon
- ω : Acentric Factor.
- Cp,liquid : Liquid phase heat capacity (J/mol×K).
- ΔfusH : Enthalpy of fusion at a given temperature (kJ/mol).
- ΔvapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
- ΔvapH : Enthalpy of vaporization at a given temperature (kJ/mol).
- IE : Ionization energy (eV).
- logPoct/wat : Octanol/Water partition coefficient.
- Pc : Critical Pressure (kPa).
- Pvap : Vapor pressure (kPa).
- ρc : Critical density (kg/m3).
- Inp : Non-polar retention indices.
- ΔfusS : Entropy of fusion at a given temperature (J/mol×K).
- γ : Surface Tension (N/m).
- Tboil : Normal Boiling Point Temperature (K).
- Tc : Critical Temperature (K).
- Tfus : Normal melting (fusion) point (K).
- Ttriple : Triple Point Temperature (K).
- Vc : Critical Volume (m3/kmol).
- Zc : Critical Compressibility.
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ω | 0.4730 | PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value | |
| ΔvapH° | 39.00 ± 0.70 | kJ/mol | NIST |
| IE | [8.90; 10.50] | eV |
|
| IE | 8.90 | eV | NIST |
| IE | 10.50 | eV | NIST |
| IE | 9.80 | eV | NIST |
| logPoct/wat | 3.515 | Crippen Calculated Property | |
| Pc | [2400.00; 2602.03] | kPa |
|
| Pc | 2500.00 | kPa | IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 8 Compiled value |
| Pc | 2602.03 | kPa | PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value |
| Pc | 2400.00 ± 20.00 | kPa | NIST |
| ρc | 245.36 ± 2.89 | kg/m3 | NIST |
| Inp | [922.00; 923.50] |
|
|
| Inp | 922.00 | NIST | |
| Inp | 923.50 | NIST | |
| Inp | 922.00 | NIST | |
| Tboil | 426.00 ± 5.00 | K | NIST |
| Tc | [603.70; 606.00] | K |
|
| Tc | 605.00 | K | IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 8 Compiled value |
| Tc | 603.70 | K | PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value |
| Tc | 606.00 ± 0.40 | K | NIST |
| Tfus | [189.36; 190.90] | K |
|
| Tfus | 190.90 | K | Jean-Claude Bradley Open Melting Point Dataset (2014, CC0) Compiled value |
| Tfus | 189.36 ± 0.20 | K | NIST |
| Ttriple | [190.60; 190.60] | K |
|
| Ttriple | 190.60 ± 0.20 | K | NIST |
| Ttriple | 190.60 ± 0.20 | K | NIST |
| Vc | [0.492; 0.587] | m3/kmol |
|
| Vc | 0.587 | m3/kmol | IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 8 Compiled value |
| Vc | 0.492 | m3/kmol | PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value |
| Zc | 0.2920000 | IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 8 Compiled value |
Cheméo can also estimate Enthalpy of formation at standard conditions, Standard Gibbs free energy of formation, Log10 of Water solubility in mol/l for this compound, but they fall outside the models' validated range, so they are not shown here. Open the prediction tool to compute them on demand.
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,liquid | [297.70; 298.10] | J/mol×K | [298.15; 298.15] |
|
| Cp,liquid | 297.70 | J/mol×K | 298.15 | NIST |
| Cp,liquid | 298.10 | J/mol×K | 298.15 | NIST |
| ΔfusH | [13.01; 13.41] | kJ/mol | [189.36; 190.60] |
|
| ΔfusH | 13.01 | kJ/mol | 189.36 | NIST |
| ΔfusH | 13.01 | kJ/mol | 189.40 | NIST |
| ΔfusH | 13.01 | kJ/mol | 189.40 | NIST |
| ΔfusH | 13.41 | kJ/mol | 190.60 | NIST |
| ΔfusH | 13.41 | kJ/mol | 190.60 | NIST |
| ΔvapH | 43.30 | kJ/mol | 349.00 | NIST |
| ΔfusS | [68.70; 70.40] | J/mol×K | [189.36; 190.60] |
|
| ΔfusS | 68.70 | J/mol×K | 189.36 | NIST |
| ΔfusS | 70.40 | J/mol×K | 190.60 | NIST |
| ΔfusS | 70.40 | J/mol×K | 190.60 | NIST |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.33; 202.65] | kPa | [308.63; 454.69] |
The Yaws Handbook of Vapor Pressure
|
| Equation | ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K | |||
| Coefficient A | 1.48401e+01 | |||
| Coefficient B | -4.03149e+03 | |||
| Coefficient C | -3.15970e+01 | |||
| Temperature range, min. | 308.63 | |||
| Temperature range, max. | 454.69 | |||
| Pvap | 1.33 | kPa | 308.63 | Calculated Property |
| Pvap | 2.98 | kPa | 324.86 | Calculated Property |
| Pvap | 6.13 | kPa | 341.09 | Calculated Property |
| Pvap | 11.74 | kPa | 357.32 | Calculated Property |
| Pvap | 21.12 | kPa | 373.55 | Calculated Property |
| Pvap | 36.04 | kPa | 389.77 | Calculated Property |
| Pvap | 58.70 | kPa | 406.00 | Calculated Property |
| Pvap | 91.81 | kPa | 422.23 | Calculated Property |
| Pvap | 138.58 | kPa | 438.46 | Calculated Property |
| Pvap | 202.65 | kPa | 454.69 | Calculated Property |
| Pvap | [0.13; 100.17] | kPa | [272.00; 426.00] |
NIST
|
| Equation | ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K | |||
| Coefficient A | 1.46235e+01 | |||
| Coefficient B | -3.87318e+03 | |||
| Coefficient C | -3.93240e+01 | |||
| Reference | Stull, 1947 | |||
| Comment | Coefficents calculated by NIST from author's data. | |||
| Temperature range, min. | 272.00 | |||
| Temperature range, max. | 426.00 | |||
| Pvap | 0.13 | kPa | 272.00 | Calculated Property |
| Pvap | 0.41 | kPa | 289.11 | Calculated Property |
| Pvap | 1.12 | kPa | 306.22 | Calculated Property |
| Pvap | 2.68 | kPa | 323.33 | Calculated Property |
| Pvap | 5.82 | kPa | 340.44 | Calculated Property |
| Pvap | 11.62 | kPa | 357.56 | Calculated Property |
| Pvap | 21.62 | kPa | 374.67 | Calculated Property |
| Pvap | 37.87 | kPa | 391.78 | Calculated Property |
| Pvap | 63.00 | kPa | 408.89 | Calculated Property |
| Pvap | 100.17 | kPa | 426.00 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| γ | [0.03; 0.01] | N/m | [191.15; 427.85] |
Jasper (1972), surface tension of pure liquid compounds Compiled value
|
| Equation | Y = A + B·T + C·T² + D·T³ + E·T⁴ Y is γ in N/m, T in K | |||
| Coefficient A | 5.46929e-02 | |||
| Coefficient B | -1.07900e-04 | |||
| Coefficient C | 0.00000e+00 | |||
| Coefficient D | 0.00000e+00 | |||
| Coefficient E | 0.00000e+00 | |||
| Temperature range, min. | 191.15 | |||
| Temperature range, max. | 427.85 | |||
| γ | 0.03 | N/m | 191.15 | Calculated Property |
| γ | 0.03 | N/m | 217.45 | Calculated Property |
| γ | 0.03 | N/m | 243.75 | Calculated Property |
| γ | 0.03 | N/m | 270.05 | Calculated Property |
| γ | 0.02 | N/m | 296.35 | Calculated Property |
| γ | 0.02 | N/m | 322.65 | Calculated Property |
| γ | 0.02 | N/m | 348.95 | Calculated Property |
| γ | 0.01 | N/m | 375.25 | Calculated Property |
| γ | 0.01 | N/m | 401.55 | Calculated Property |
| γ | 0.01 | N/m | 427.85 | Calculated Property |
Similar Compounds
Find more compounds similar to Silane, tetraethyl-.
Sources
- Jean-Claude Bradley Open Melting Point Dataset (2014, CC0) ChEDL chemicals 1.5.2, from Bradley, J.-C.; Williams, A.; Lang, A. Jean-Claude Bradley Open Melting Point Dataset. Figshare, 2014 (CC0).
- IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 8 ChEDL chemicals 1.5.2, from Tsonopoulos, C.; Ambrose, D. Vapor-Liquid Critical Properties of Elements and Compounds. 8. Organic Sulfur, Silicon, and Tin Compounds (C + H + S, Si, and Sn). J. Chem. Eng. Data 2001, 46, 480-485.
- Jasper (1972), surface tension of pure liquid compounds ChEDL chemicals 1.5.2, from Jasper, J. J. The Surface Tension of Pure Liquid Compounds. J. Phys. Chem. Ref. Data 1972, 1, 841-1010 (as transcribed in Lange's Handbook).
- PSRK revision IV (2005), critical constants and acentric factors of 1000 components ChEDL chemicals 1.5.2, from Horstmann, S.; Jabłoniec, A.; Krafczyk, J.; Fischer, K.; Gmehling, J. PSRK Group Contribution Equation of State: Comprehensive Revision and Extension IV, Including Critical Constants and α-Function Parameters for 1000 Components. Fluid Phase Equilib. 2005, 227, 157-164.
- Crippen Method
- Crippen Method
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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