- InChI
- InChI=1S/C5H8/c1-5-3-2-4-5/h1-4H2
- InChI Key
- QIRVGKYPAOQVNP-UHFFFAOYSA-N
- Formula
- C5H8
- SMILES
- C=C1CCC1
- Molecular Weight1
- 68.12
- CAS
- 1120-56-5
- Other Names
-
- Methylenecyclobutane
- ΔcH°liquid : Standard liquid enthalpy of combustion (kJ/mol).
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- Cp,liquid : Liquid phase heat capacity (J/mol×K).
- η : Dynamic viscosity (Pa×s).
- ΔfG° : Standard Gibbs free energy of formation (kJ/mol).
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- ΔfH°liquid : Liquid phase enthalpy of formation at standard conditions (kJ/mol).
- ΔfusH° : Enthalpy of fusion at standard conditions (kJ/mol).
- 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).
- log10WS : Log10 of Water solubility in mol/l.
- logPoct/wat : Octanol/Water partition coefficient.
- McVol : McGowan's characteristic volume (ml/mol).
- Pc : Critical Pressure (kPa).
- Pvap : Vapor pressure (kPa).
- Inp : Non-polar retention indices.
- ΔfusS : Entropy of fusion at a given temperature (J/mol×K).
- S°gas : Molar entropy at standard conditions (J/mol×K).
- S°liquid : Liquid phase molar entropy at standard conditions (J/mol×K).
- Tboil : Normal Boiling Point Temperature (K).
- Tboilr : Boiling point at reduced pressure (K).
- Tc : Critical Temperature (K).
- Tfus : Normal melting (fusion) point (K).
- Ttriple : Triple Point Temperature (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 |
|---|---|---|---|
| ΔcH°liquid | -3204.70 ± 0.50 | kJ/mol | NIST |
| ΔfG° | 100.66 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | [106.00; 121.50] | kJ/mol |
|
| ΔfH°gas | 106.00 | kJ/mol | NIST |
| ΔfH°gas | 121.50 ± 0.71 | kJ/mol | NIST |
| ΔfH°liquid | 93.85 ± 0.59 | kJ/mol | NIST |
| ΔfusH° | 2.51 | kJ/mol | Joback Calculated Property |
| ΔvapH° | [27.70; 27.70] | kJ/mol |
|
| ΔvapH° | 27.70 ± 0.42 | kJ/mol | NIST |
| ΔvapH° | 27.70 | kJ/mol | NIST |
| ΔvapH° | 27.70 ± 0.40 | kJ/mol | NIST |
| IE | [9.12; 9.35] | eV |
|
| IE | 9.19 ± 0.02 | eV | NIST |
| IE | 9.14 ± 0.08 | eV | NIST |
| IE | 9.12 | eV | NIST |
| IE | 9.16 ± 0.02 | eV | NIST |
| IE | 9.35 | eV | NIST |
| log10WS | -1.66 | Crippen Calculated Property | |
| logPoct/wat | 1.727 | Crippen Calculated Property | |
| McVol | 66.150 | ml/mol | McGowan Calculated Property |
| Pc | 4498.26 | kPa | Joback Calculated Property |
| Inp | [534.00; 546.00] |
|
|
| Inp | 536.00 | NIST | |
| Inp | Outlier 546.00 | NIST | |
| Inp | 534.00 | NIST | |
| Inp | 536.00 | NIST | |
| Inp | 537.00 | NIST | |
| Inp | 539.00 | NIST | |
| Inp | 535.00 | NIST | |
| Inp | 535.00 | NIST | |
| Inp | 536.00 | NIST | |
| Inp | 539.00 | NIST | |
| S°gas | 298.90 ± 1.00 | J/mol×K | NIST |
| S°liquid | [210.20; 210.60] | J/mol×K |
|
| S°liquid | 210.20 | J/mol×K | NIST |
| S°liquid | 210.60 | J/mol×K | NIST |
| S°liquid | 210.60 | J/mol×K | NIST |
| S°liquid | 210.60 | J/mol×K | NIST |
| Tboil | [308.30; 315.40] | K |
|
| Tboil | 315.40 | K | NIST |
| Tboil | 315.00 ± 2.00 | K | NIST |
| Tboil | Outlier 308.30 ± 5.00 | K | NIST |
| Tboil | 315.00 ± 4.00 | K | NIST |
| Tboil | 315.00 ± 3.00 | K | NIST |
| Tboil | 315.00 ± 2.00 | K | NIST |
| Tboil | 314.90 ± 1.00 | K | NIST |
| Tboil | 315.35 ± 0.30 | K | NIST |
| Tboil | 315.37 ± 0.10 | K | NIST |
| Tboil | 315.00 ± 4.00 | K | NIST |
| Tc | 517.90 | K | Joback Calculated Property |
| Tfus | 138.47 ± 0.20 | K | NIST |
| Ttriple | [138.53; 138.62] | K |
|
| Ttriple | 138.53 ± 0.01 | K | NIST |
| Ttriple | 138.62 ± 0.01 | K | NIST |
| Vc | 0.249 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [95.78; 146.31] | J/mol×K | [328.64; 517.90] |
|
| Cp,gas | 95.78 | J/mol×K | 328.64 | Joback Calculated Property |
| Cp,gas | 105.41 | J/mol×K | 360.18 | Joback Calculated Property |
| Cp,gas | 114.54 | J/mol×K | 391.73 | Joback Calculated Property |
| Cp,gas | 123.16 | J/mol×K | 423.27 | Joback Calculated Property |
| Cp,gas | 131.32 | J/mol×K | 454.81 | Joback Calculated Property |
| Cp,gas | 139.03 | J/mol×K | 486.36 | Joback Calculated Property |
| Cp,gas | 146.31 | J/mol×K | 517.90 | Joback Calculated Property |
| Cp,liquid | [131.10; 133.60] | J/mol×K | [298.15; 298.15] |
|
| Cp,liquid | 131.10 | J/mol×K | 298.15 | NIST |
| Cp,liquid | 133.60 | J/mol×K | 298.15 | NIST |
| Cp,liquid | 133.60 | J/mol×K | 298.15 | NIST |
| Cp,liquid | 133.60 | J/mol×K | 298.15 | NIST |
| η | [0.0002599; 0.0011307] | Pa×s | [178.45; 328.64] |
|
| η | 0.0011307 | Pa×s | 178.45 | Joback Calculated Property |
| η | 0.0007612 | Pa×s | 203.48 | Joback Calculated Property |
| η | 0.0005588 | Pa×s | 228.51 | Joback Calculated Property |
| η | 0.0004361 | Pa×s | 253.54 | Joback Calculated Property |
| η | 0.0003558 | Pa×s | 278.58 | Joback Calculated Property |
| η | 0.0003002 | Pa×s | 303.61 | Joback Calculated Property |
| η | 0.0002599 | Pa×s | 328.64 | Joback Calculated Property |
| ΔfusH | [5.75; 5.86] | kJ/mol | [138.50; 138.62] |
|
| ΔfusH | 5.86 | kJ/mol | 138.50 | NIST |
| ΔfusH | 5.86 | kJ/mol | 138.50 | NIST |
| ΔfusH | 5.75 | kJ/mol | 138.62 | NIST |
| ΔfusH | 5.75 | kJ/mol | 138.62 | NIST |
| ΔfusH | 5.76 | kJ/mol | 138.62 | NIST |
| ΔvapH | [26.10; 29.10] | kJ/mol | [299.00; 303.00] |
|
| ΔvapH | 29.10 | kJ/mol | 299.00 | NIST |
| ΔvapH | 26.10 | kJ/mol | 303.00 | NIST |
| ΔfusS | [41.60; 41.60] | J/mol×K | [138.62; 138.62] |
|
| ΔfusS | 41.60 | J/mol×K | 138.62 | NIST |
| ΔfusS | 41.60 | J/mol×K | 138.62 | NIST |
| ΔfusS | 41.60 | J/mol×K | 138.62 | NIST |
Pressure Dependent Properties
| Property | Value | Unit | Pressure (kPa) | Source |
|---|---|---|---|---|
| Tboilr | 315.20 | K | 99.90 | NIST |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.33; 202.65] | kPa | [228.31; 337.44] |
The Yaw...
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.38886e+01 | |||
| Coefficient B | -2.53404e+03 | |||
| Coefficient C | -4.19990e+01 | |||
| Temperature range, min. | 228.31 | |||
| Temperature range, max. | 337.44 | |||
| Pvap | 1.33 | kPa | 228.31 | Calculated Property |
| Pvap | 3.06 | kPa | 240.44 | Calculated Property |
| Pvap | 6.39 | kPa | 252.56 | Calculated Property |
| Pvap | 12.30 | kPa | 264.69 | Calculated Property |
| Pvap | 22.13 | kPa | 276.81 | Calculated Property |
| Pvap | 37.59 | kPa | 288.94 | Calculated Property |
| Pvap | 60.77 | kPa | 301.06 | Calculated Property |
| Pvap | 94.11 | kPa | 313.19 | Calculated Property |
| Pvap | 140.38 | kPa | 325.31 | Calculated Property |
| Pvap | 202.65 | kPa | 337.44 | Calculated Property |
Similar Compounds
Find more compounds similar to Cyclobutane, methylene-.
Sources
- Crippen Method
- Crippen Method
- Joback Method
- McGowan Method
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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