- InChI
- InChI=1S/C7H14/c1-6-4-3-5-7(6)2/h6-7H,3-5H2,1-2H3
- InChI Key
- RIRARCHMRDHZAR-UHFFFAOYSA-N
- Formula
- C7H14
- SMILES
- CC1CCCC1C
- Molecular Weight1
- 98.19
- CAS
- 2452-99-5
- Other Names
-
- 1,2-Dimethylcyclopentane
- 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).
- 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).
- 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.
- I : Polar retention indices.
- ΔfusS : Entropy of fusion at a given temperature (J/mol×K).
- S°liquid : Liquid phase molar entropy at standard conditions (J/mol×K).
- 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 |
|---|---|---|---|
| ΔfG° | 36.90 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -147.67 | kJ/mol | Joback Calculated Property |
| ΔfusH° | 8.89 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 31.12 | kJ/mol | Joback Calculated Property |
| log10WS | -2.16 | Crippen Calculated Property | |
| logPoct/wat | 2.442 | Crippen Calculated Property | |
| McVol | 98.630 | ml/mol | McGowan Calculated Property |
| Pc | 3291.59 | kPa | Joback Calculated Property |
| Inp | [677.00; 689.00] |
|
|
| Inp | 689.00 | NIST | |
| Inp | 686.00 | NIST | |
| Inp | 682.00 | NIST | |
| Inp | 677.00 | NIST | |
| Inp | 685.00 | NIST | |
| Inp | 682.00 | NIST | |
| Inp | 686.00 | NIST | |
| Inp | 689.00 | NIST | |
| I | [726.00; 726.00] |
|
|
| I | 726.00 | NIST | |
| I | 726.00 | NIST | |
| S°liquid | 269.90 | J/mol×K | NIST |
| Tboil | 370.00 ± 7.00 | K | NIST |
| Tc | 563.52 | K | Joback Calculated Property |
| Tfus | 175.31 | K | Joback Calculated Property |
| Vc | 0.367 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [173.95; 256.86] | J/mol×K | [370.17; 563.52] |
|
| Cp,gas | 173.95 | J/mol×K | 370.17 | Joback Calculated Property |
| Cp,gas | 189.42 | J/mol×K | 402.40 | Joback Calculated Property |
| Cp,gas | 204.20 | J/mol×K | 434.62 | Joback Calculated Property |
| Cp,gas | 218.32 | J/mol×K | 466.85 | Joback Calculated Property |
| Cp,gas | 231.80 | J/mol×K | 499.07 | Joback Calculated Property |
| Cp,gas | 244.64 | J/mol×K | 531.30 | Joback Calculated Property |
| Cp,gas | 256.86 | J/mol×K | 563.52 | Joback Calculated Property |
| Cp,liquid | 187.40 | J/mol×K | 294.20 | NIST |
| η | [0.0002650; 0.0017720] | Pa×s | [175.31; 370.17] |
|
| η | 0.0017720 | Pa×s | 175.31 | Joback Calculated Property |
| η | 0.0010080 | Pa×s | 207.79 | Joback Calculated Property |
| η | 0.0006678 | Pa×s | 240.26 | Joback Calculated Property |
| η | 0.0004881 | Pa×s | 272.74 | Joback Calculated Property |
| η | 0.0003813 | Pa×s | 305.22 | Joback Calculated Property |
| η | 0.0003124 | Pa×s | 337.69 | Joback Calculated Property |
| η | 0.0002650 | Pa×s | 370.17 | Joback Calculated Property |
| ΔfusH | 6.41 | kJ/mol | 154.10 | NIST |
| ΔfusS | 41.60 | J/mol×K | 154.10 | NIST |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.33; 202.67] | kPa | [262.50; 397.87] |
The Yaw...
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.34204e+01 | |||
| Coefficient B | -2.86939e+03 | |||
| Coefficient C | -4.40100e+01 | |||
| Temperature range, min. | 262.50 | |||
| Temperature range, max. | 397.87 | |||
| Pvap | 1.33 | kPa | 262.50 | Calculated Property |
| Pvap | 3.11 | kPa | 277.54 | Calculated Property |
| Pvap | 6.53 | kPa | 292.58 | Calculated Property |
| Pvap | 12.62 | kPa | 307.62 | Calculated Property |
| Pvap | 22.72 | kPa | 322.66 | Calculated Property |
| Pvap | 38.49 | kPa | 337.71 | Calculated Property |
| Pvap | 61.96 | kPa | 352.75 | Calculated Property |
| Pvap | 95.41 | kPa | 367.79 | Calculated Property |
| Pvap | 141.40 | kPa | 382.83 | Calculated Property |
| Pvap | 202.67 | kPa | 397.87 | Calculated Property |
Similar Compounds
Find more compounds similar to Cyclopentane, 1,2-dimethyl-.
Sources
- Crippen Method
- Crippen Method
- Joback Method
- McGowan Method
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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