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Summary
longprop
| IUPAC name | (1R,2R)-1,2-dimethylcyclopropane | | | | Synonyms | 2402-06-4, InChI=1S/C5H10/c1-4-3-5(4)2/h4-5H,3H2,1-2H3, 1,trans-2-dimethylcyclopropane, trans-1,2-Dimethylcyclopropane, (E)-1,2-Dimethylcyclopropane, 1R2R-12-dimethylcyclopropane, 1R2R-12-dimethylcyclopropan | | CAS number | 2402-06-4 | | ChemSpider ID | 92890 | | PubChem ID | 6427079 | | Molecular weight | 70.1329 Da | | Formula | C5H10 | | Multiplicity | 1 | | Point group | C1 | | Symmetry number | 1 | | Rotatable bonds | NA | | StdInChi | InChI=1S/C5H10/c1-4-3-5(4)2/h4-5H,3H2,1-2H3 |
Liquid properties
| Property | Unit | T (K) | Experiment | GAFF-ESP-2012 | OPLS | CGenFF | COSMO-RS | kowwin | GAFF-ESP | XlogP3 |
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| log kOW | | 298.15 | | | | | | | | 2.101 | Flexible models Hydrogen constrained All bonds constrained.
Gas properties
| Property | Unit | T (K) | Experiment | G2 | G3 | G4 | CBS-QB3 | W1BD | W1U | B3LYP/aug-cc-pVTZ | BS | CGenFF | GAFF-BCC-2018 | GAFF-ESP-2018 | AXpp | AXpg | AXps |
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| E | kJ/mol | 298.15 | | | | 376.122 | | | | | | 361.413 | | | | | | | E-scaled | kJ/mol | 298.15 | | | | | | | | | | 373.063 | | | | | | | ΔHform | kJ/mol | 0 | | 26.82 | 25.22 | 24.42 | 30.82 | 15.02 | | | | | | | | | | | ΔHform | kJ/mol | 298.15 | 9.54 | -3.22 | -4.82 | -4.82 | 1.72 | -14.12 | | | | | | | | | | | ΔGform | kJ/mol | 298.15 | | 108.02 | 106.42 | 105.02 | 111.42 | 95.62 | | | | | | | | | | | ΔSform | J/mol K | 298.15 | | -372.92 | -372.92 | -368.02 | -367.92 | -368.02 | | | | | | | | | | | S0 | J/mol K | 298.15 | 316.854 | 309.202 | 309.202 | 314.092 | 314.192 | 314.072 | | | | 331.003 | | | | | | | S0-scaled | J/mol K | 298.15 | | | | | | | | | | 328.583 | | | | | | | ZPE | kJ/mol | 298.15 | | | | 360.22 | | | | | | 344.13 | | | | | | | ZPE-scaled | kJ/mol | 298.15 | | | | | | | | | | 356.23 | | | | | | | CV | J/mol K | 298.15 | 97.3±2.05 | 84.92 | 84.92 | 92.32 | 92.42 | 92.32 | | | | 97.23 | | | | | | | CV-scaled | J/mol K | 298.15 | | | | | | | | | | 93.93 | | | | | | | αaniso | ų | 298.15 | | | | | | | | | | | | | 1.516 | 1.526 | 1.516 | | αxx | ų | 298.15 | | | | | | | | 8.892 | | | | | 8.896 | 8.896 | 8.886 | | αyy | ų | 298.15 | | | | | | | | 9.742 | | | | | 10.036 | 10.036 | 10.036 | | αzz | ų | 298.15 | | | | | | | | 8.982 | | | | | 9.006 | 9.006 | 9.006 | | μxx | D | 298.15 | | | | | | | | 2 | | | | | 6 | 6 | 6 | | μyy | D | 298.15 | | | | | | | | 2 | | | | | 6 | 6 | 6 | | μzz | D | 298.15 | | | | | | | | -0.132 | | | | | -0.186 | -0.196 | -0.196 | | θxx | Buckingham | 298.15 | | | | | | | | 0.762 | | | | | 0.636 | 0.616 | 0.636 | | θyy | Buckingham | 298.15 | | | | | | | | -0.372 | | | | | -0.846 | -0.846 | -0.836 | | θzz | Buckingham | 298.15 | | | | | | | | 0.382 | | | | | 0.226 | 0.236 | 0.206 |
References
- T. Cheng and Y. Zhao and X. Li and F. Lin and Y. Xu and X. Zhang and Y. Li and R. Wang and L. Lai Computation of octanol- water partition coefficients by guiding an additive model with knowledge., J. Chem. Inf. Model. 47, 2140-2148 (2007).
- Mohammad M. Ghahremanpour and Paul J. van Maaren and David van der Spoel The Alexandria Library: A Quantum-Chemical Database of Molecular Properties for Force Field Development, Sci. Data 5, 180062 (2018). DOI
- David van der Spoel and Mohammad M. Ghahremanpour and Justin Lemkul Small Molecule Thermochemistry: A Tool For Empirical Force Field Development, J. Phys. Chem. A 122, 8982–8988 (2018). DOI
- C. L. Yaws Yaws' Handbook of Thermodynamic Properties for Hydrocarbons and Chemicals, Knovel (2009).
- Mohammad M. Ghahremanpour and Paul J. van Maaren and Jonas C. Ditz and Roland Lindh and David van der Spoel Large-Scale Calculations of Gas Phase Thermochemistry: Enthalpy of Formation, Standard Entropy and Heat Capacity, J. Chem. Phys. 145, 114305 (2016). DOI
- Mohammad Mehdi Ghahremanpour and Paul J. van Maaren and Carl Caleman and Geoffrey R. Hutchison and David van der Spoel Polarizable Drude Model with s-type Gaussian or Slater Charge Density for General Molecular Mechanics Force Fields, J. Chem. Theory Comput. 14, 5553-5566 (2018). DOI
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