- InChI
- InChI=1S/F4Si/c1-5(2,3)4
- InChI Key
- ABTOQLMXBSRXSM-UHFFFAOYSA-N
- Formula
- SiF4
- SMILES
- F[Si](F)(F)F
- Molecular Weight1
- 104.08
- CAS
- 7783-61-1
- Other Names
-
- SiF4
- Silicon fluoride
- Silicon fluoride (SiF4)
- UN 1859
- silicon tetrafluoride
- tetrafluorosilane
- PAff : Proton affinity (kJ/mol).
- BasG : Gas basicity (kJ/mol).
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- SProt : Protonation entropy at 298K (J/mol×K).
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- ΔfH°(+) ion : Enthalpy of formation of positive ion at standard conditions (kJ/mol).
- ΔsubH : Enthalpy of sublimation at a given temperature (kJ/mol).
- IE : Ionization energy (eV).
- ν : Kinematic viscosity (m2/s).
- logPoct/wat : Octanol/Water partition coefficient.
- Pc : Critical Pressure (kPa).
- Pvap : Vapor pressure (kPa).
- S°gas,1 bar : Molar entropy at standard conditions (1 bar) (J/mol×K).
- Tboil : Normal Boiling Point Temperature (K).
- Tc : Critical Temperature (K).
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| PAff | [492.00; 502.90] | kJ/mol |
|
| PAff | 502.90 | kJ/mol | NIST |
| PAff | 492.00 ± 8.40 | kJ/mol | NIST |
| PAff | 492.90 ± 8.40 | kJ/mol | NIST |
| BasG | [465.70; 476.60] | kJ/mol |
|
| BasG | 476.60 | kJ/mol | NIST |
| BasG | 465.70 ± 8.40 | kJ/mol | NIST |
| BasG | 466.50 ± 8.40 | kJ/mol | NIST |
| SProt | [21.00; 21.00] | J/mol×K |
|
| SProt | 21.00 | J/mol×K | NIST |
| SProt | 21.00 | J/mol×K | NIST |
| ΔfH°gas | -1615.00 ± 0.80 | kJ/mol | NIST |
| ΔfH°(+) ion | -134.00 ± 7.10 | kJ/mol | NIST |
| IE | [15.00; 16.50] | eV |
|
| IE | 15.24 ± 0.14 | eV | NIST |
| IE | 15.29 ± 0.08 | eV | NIST |
| IE | 15.19 | eV | NIST |
| IE | 15.00 ± 1.00 | eV | NIST |
| IE | 15.70 | eV | NIST |
| IE | 15.81 ± 0.02 | eV | NIST |
| IE | 15.92 | eV | NIST |
| IE | 15.70 ± 0.10 | eV | NIST |
| IE | 16.40 | eV | NIST |
| IE | 16.50 | eV | NIST |
| IE | 16.45 | eV | NIST |
| IE | 16.46 ± 0.04 | eV | NIST |
| IE | 15.19 | eV | NIST |
| logPoct/wat | 1.300 | Crippen Calculated Property | |
| Pc | 3714.57 ± 5.06 | kPa | NIST |
| S°gas,1 bar | 282.76 ± 0.50 | J/mol×K | NIST |
| Tboil | 187.00 | K | NIST |
| Tc | 259.00 ± 0.02 | K | NIST |
Cheméo can also estimate Normal melting (fusion) point, Critical Volume, Enthalpy of vaporization at standard conditions, Standard Gibbs free energy of formation, Acentric Factor, 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 |
|---|---|---|---|---|
| ΔsubH | 25.80 | kJ/mol | 165.50 | NIST |
Datasets
Kinematic viscosity, m2/s
| Fixed | Measured | |
|---|---|---|
| Temperature, K - Gas | Pressure, kPa - Gas | Kinematic viscosity, m2/s - Gas |
| 215.00 | 198.15 | 1.0560e-06 |
| 215.00 | 283.66 | 7.3200e-07 |
| 215.00 | 378.50 | 5.2400e-07 |
| 215.00 | 461.43 | 4.3700e-07 |
| 215.00 | 551.52 | 3.6020e-07 |
| 215.00 | 649.39 | 3.0310e-07 |
| 215.00 | 746.64 | 2.5900e-07 |
| 230.00 | 271.49 | 8.8800e-07 |
| 230.00 | 424.62 | 5.6300e-07 |
| 230.00 | 578.31 | 3.9850e-07 |
| 230.00 | 742.99 | 2.8350e-07 |
| 230.00 | 897.83 | 2.4990e-07 |
| 230.00 | 1088.35 | 2.9000e-07 |
| 230.00 | 1250.99 | 1.7580e-07 |
| 245.00 | 248.32 | 1.0930e-06 |
| 245.00 | 393.67 | 6.6020e-07 |
| 245.00 | 542.46 | 4.9200e-07 |
| 245.00 | 703.75 | 3.6950e-07 |
| 245.00 | 873.41 | 2.9490e-07 |
| 245.00 | 1034.47 | 2.4570e-07 |
| 245.00 | 1220.05 | 2.0780e-07 |
| 245.00 | 1434.33 | 1.7380e-07 |
| 245.00 | 1599.80 | 1.5510e-07 |
| 245.00 | 1777.83 | 1.3990e-07 |
| 245.00 | 1958.48 | 1.2460e-07 |
| 260.00 | 206.14 | 1.3380e-06 |
| 260.00 | 410.06 | 7.4900e-07 |
| 260.00 | 617.98 | 4.8200e-07 |
| 260.00 | 830.76 | 3.5430e-07 |
| 260.00 | 1047.12 | 2.7410e-07 |
| 260.00 | 1252.04 | 2.2990e-07 |
| 260.00 | 1498.23 | 1.9110e-07 |
| 260.00 | 1794.29 | 1.5750e-07 |
| 260.00 | 2026.63 | 1.3920e-07 |
| 260.00 | 2282.25 | 1.2470e-07 |
| 260.00 | 2541.67 | 1.0970e-07 |
| 274.58 | 524.86 | 6.3600e-07 |
| 274.58 | 642.96 | 5.0900e-07 |
| 274.58 | 744.26 | 4.2440e-07 |
| 274.58 | 845.26 | 3.8840e-07 |
| 274.58 | 947.16 | 3.4790e-07 |
| 274.58 | 1048.29 | 3.1100e-07 |
| 274.58 | 1150.31 | 2.8600e-07 |
| 274.58 | 1252.18 | 2.5940e-07 |
| 274.58 | 1353.82 | 2.4220e-07 |
| 274.58 | 1454.61 | 2.2790e-07 |
| 274.58 | 1556.05 | 2.0930e-07 |
| 274.58 | 1657.90 | 2.0060e-07 |
| 274.58 | 1764.42 | 1.8190e-07 |
| 274.58 | 1878.13 | 1.7040e-07 |
| 274.58 | 1998.50 | 1.6390e-07 |
| 274.58 | 2141.86 | 1.5180e-07 |
| 274.58 | 2244.21 | 1.4240e-07 |
| 274.58 | 2354.11 | 1.3610e-07 |
| 274.58 | 2474.02 | 1.3050e-07 |
| 274.58 | 2776.62 | 1.1500e-07 |
| 274.58 | 2951.29 | 1.0760e-07 |
| 300.00 | 386.04 | 1.1400e-06 |
| 300.00 | 581.57 | 7.4200e-07 |
| 300.00 | 775.29 | 5.2000e-07 |
| 300.00 | 975.51 | 4.0400e-07 |
| 300.00 | 1173.93 | 3.2470e-07 |
| 300.00 | 1443.44 | 2.6900e-07 |
| 300.00 | 1648.68 | 2.3740e-07 |
| 300.00 | 1872.11 | 2.1070e-07 |
| 300.00 | 2157.89 | 1.7100e-07 |
| 300.00 | 2526.14 | 1.5300e-07 |
| 324.96 | 582.54 | 8.8400e-07 |
| 324.96 | 731.36 | 6.0000e-07 |
| 324.96 | 1070.79 | 4.2200e-07 |
| 324.96 | 1257.38 | 3.6000e-07 |
| 324.96 | 1487.57 | 3.1000e-07 |
| 324.96 | 1769.00 | 2.5860e-07 |
| 324.96 | 1936.20 | 2.4170e-07 |
| 324.96 | 2114.40 | 2.1100e-07 |
| 324.96 | 2322.23 | 1.9890e-07 |
| 324.96 | 2540.96 | 1.8430e-07 |
| Reference | ||
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [73.59; 102.31] | J/mol×K | [298.00; 1000.00] |
NIST
|
| Equation | Y = A + B·t + C·t² + D·t³ + E/t², t = T/1000 Y is Cp,gas in J/mol×K, T in K | |||
| Coefficient A | 4.29860e+01 | |||
| Coefficient B | 1.59280e+02 | |||
| Coefficient C | -1.51137e+02 | |||
| Coefficient D | 5.16063e+01 | |||
| Coefficient E | -4.27040e-01 | |||
| Reference | Chase, 1998 | |||
| Temperature range, min. | 298.00 | |||
| Temperature range, max. | 1000.00 | |||
| Cp,gas | 73.59 | J/mol×K | 298.00 | Calculated Property |
| Cp,gas | 81.23 | J/mol×K | 376.00 | Calculated Property |
| Cp,gas | 86.90 | J/mol×K | 454.00 | Calculated Property |
| Cp,gas | 91.21 | J/mol×K | 532.00 | Calculated Property |
| Cp,gas | 94.47 | J/mol×K | 610.00 | Calculated Property |
| Cp,gas | 96.93 | J/mol×K | 688.00 | Calculated Property |
| Cp,gas | 98.78 | J/mol×K | 766.00 | Calculated Property |
| Cp,gas | 100.18 | J/mol×K | 844.00 | Calculated Property |
| Cp,gas | 101.31 | J/mol×K | 922.00 | Calculated Property |
| Cp,gas | 102.31 | J/mol×K | 1000.00 | Calculated Property |
| Cp,gas | [102.26; 107.92] | J/mol×K | [1000.00; 6000.00] |
NIST
|
| Equation | Y = A + B·t + C·t² + D·t³ + E/t², t = T/1000 Y is Cp,gas in J/mol×K, T in K | |||
| Coefficient A | 1.07272e+02 | |||
| Coefficient B | 4.71612e-01 | |||
| Coefficient C | -9.79600e-02 | |||
| Coefficient D | 6.92100e-03 | |||
| Coefficient E | -5.38887e+00 | |||
| Reference | Chase, 1998 | |||
| Temperature range, min. | 1000.00 | |||
| Temperature range, max. | 6000.00 | |||
| Cp,gas | 102.26 | J/mol×K | 1000.00 | Calculated Property |
| Cp,gas | 105.57 | J/mol×K | 1555.56 | Calculated Property |
| Cp,gas | 106.69 | J/mol×K | 2111.11 | Calculated Property |
| Cp,gas | 107.21 | J/mol×K | 2666.67 | Calculated Property |
| Cp,gas | 107.49 | J/mol×K | 3222.22 | Calculated Property |
| Cp,gas | 107.65 | J/mol×K | 3777.78 | Calculated Property |
| Cp,gas | 107.75 | J/mol×K | 4333.33 | Calculated Property |
| Cp,gas | 107.82 | J/mol×K | 4888.89 | Calculated Property |
| Cp,gas | 107.87 | J/mol×K | 5444.44 | Calculated Property |
| Cp,gas | 107.92 | J/mol×K | 6000.00 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [0.01; 3672.24] | kPa | [117.15; 259.00] |
The Yaws Handbook of Vapor Pressure
|
| Equation | ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K | |||
| Coefficient A | 1.34694e+01 | |||
| Coefficient B | -1.05775e+03 | |||
| Coefficient C | -5.79400e+01 | |||
| Temperature range, min. | 117.15 | |||
| Temperature range, max. | 259.00 | |||
| Pvap | 0.01 | kPa | 117.15 | Calculated Property |
| Pvap | 0.53 | kPa | 132.91 | Calculated Property |
| Pvap | 6.12 | kPa | 148.67 | Calculated Property |
| Pvap | 34.36 | kPa | 164.43 | Calculated Property |
| Pvap | 123.64 | kPa | 180.19 | Calculated Property |
| Pvap | 332.10 | kPa | 195.96 | Calculated Property |
| Pvap | 728.47 | kPa | 211.72 | Calculated Property |
| Pvap | 1380.78 | kPa | 227.48 | Calculated Property |
| Pvap | 2347.44 | kPa | 243.24 | Calculated Property |
| Pvap | 3672.24 | kPa | 259.00 | Calculated Property |
| Pvap | [20.97; 234.18] | kPa | [163.16; 186.91] |
NIST
|
| Equation | ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K | |||
| Coefficient A | 2.38954e+01 | |||
| Coefficient B | -3.78475e+03 | |||
| Coefficient C | 1.83440e+01 | |||
| Reference | Pace and Mosser, 1963 | |||
| Temperature range, min. | 163.16 | |||
| Temperature range, max. | 186.91 | |||
| Pvap | 20.97 | kPa | 163.16 | Calculated Property |
| Pvap | 28.28 | kPa | 165.80 | Calculated Property |
| Pvap | 37.81 | kPa | 168.44 | Calculated Property |
| Pvap | 50.14 | kPa | 171.08 | Calculated Property |
| Pvap | 65.98 | kPa | 173.72 | Calculated Property |
| Pvap | 86.18 | kPa | 176.35 | Calculated Property |
| Pvap | 111.76 | kPa | 178.99 | Calculated Property |
| Pvap | 143.94 | kPa | 181.63 | Calculated Property |
| Pvap | 184.18 | kPa | 184.27 | Calculated Property |
| Pvap | 234.18 | kPa | 186.91 | Calculated Property |
| Pvap | [0.13; 97.57] | kPa | [129.00; 178.30] |
NIST
|
| Equation | ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K | |||
| Coefficient A | 2.09760e+01 | |||
| Coefficient B | -2.81045e+03 | |||
| Coefficient C | -6.88400e+00 | |||
| Reference | Stull, 1947 | |||
| Temperature range, min. | 129.00 | |||
| Temperature range, max. | 178.30 | |||
| Pvap | 0.13 | kPa | 129.00 | Calculated Property |
| Pvap | 0.35 | kPa | 134.48 | Calculated Property |
| Pvap | 0.87 | kPa | 139.96 | Calculated Property |
| Pvap | 2.00 | kPa | 145.43 | Calculated Property |
| Pvap | 4.32 | kPa | 150.91 | Calculated Property |
| Pvap | 8.83 | kPa | 156.39 | Calculated Property |
| Pvap | 17.15 | kPa | 161.87 | Calculated Property |
| Pvap | 31.85 | kPa | 167.34 | Calculated Property |
| Pvap | 56.79 | kPa | 172.82 | Calculated Property |
| Pvap | 97.57 | kPa | 178.30 | Calculated Property |
Similar Compounds
Find more compounds similar to Silane, tetrafluoro-.
Sources
- Crippen Method
- Crippen Method
- Kinematic viscosity and speed of sound in gaseous CO, CO2, SiF4, SF6, C4F8, and NH3 from 220 K to 375 K and pressures up to 3.4 MPa
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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