Summary

IUPAC namespiro[2.2]pentane
Synonyms157-40-4, InChI=1S/C5H8/c1-2-5(1)3-4-5/h1-4H2, spiropentane, spiropentane, spiropentan
CAS number157-40-4
ChemSpider ID8734
PubChem ID9088
Molecular weight68.117 Da
FormulaC5H8
Multiplicity1
Point groupC1
Symmetry number1
Rotatable bondsNA
StdInChiInChI=1S/C5H8/c1-2-5(1)3-4-5/h1-4H2


Liquid properties

PropertyUnitT (K)ExperimentGAFF-ESP-2012OPLSCGenFFCOSMO-RSkowwinGAFF-ESPXlogP3
log kOW298.152.4612.102
2.463

Flexible models Hydrogen constrained All bonds constrained.


Gas properties

PropertyUnitT (K)ExperimentG2G3G4CBS-QB3W1BDW1UB3LYP/aug-cc-pVTZBSCGenFFGAFF-BCC-2018GAFF-ESP-2018AXppAXpgAXps
EkJ/mol298.15314.364302.795
E-scaledkJ/mol298.15312.515
ΔHformkJ/mol0214.34210.44207.14214.94
ΔHformkJ/mol298.15185.4±0.86189.74185.84183.44191.24
195.57
185.28
185.1±0.89
ΔGformkJ/mol298.15268.24264.34260.54268.34
ΔSformJ/mol K298.15-263.34-263.34-258.84-258.74
S0J/mol K298.15282.767288.114288.114292.634292.724294.895
S0-scaledJ/mol K298.15292.845
ZPEkJ/mol298.15301.44289.25
ZPE-scaledkJ/mol298.15299.35
CVJ/mol K298.1579.8±1.61069.9469.9477.9478.2486.25
CV-scaledJ/mol K298.1582.95
αanisoų298.150.77110.77110.7711
αxxų298.158.1248.99118.99118.9911
αyyų298.158.1248.22118.22118.2211
αzzų298.159.9448.22118.22118.2211
μxxD298.154111111
μyyD298.154111111
μzzD298.154111111
θxxBuckingham298.15-1.354-2.1611-2.1411-2.1411
θyyBuckingham298.150.6841.08111.07111.0711
θzzBuckingham298.150.6841.08111.07111.0711


References

  1. C. L. Yaws Yaws' Handbook of Properties for Environmental and Green Engineering, William Andrew Inc.: Beaumont, Texas (2008).
  2. 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).
  3. C. L. Yaws Yaws' Handbook of Properties for Aqueous Systems, William Andrew Inc.: Beaumont, Texas (2012).
  4. 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
  5. 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
  6. Viktor N. Staroverov, Gustavo E. Scuseria, Jianmin Tao and John P. Perdew Comparative assessment of a new nonempirical density functional: Molecules and hydrogen-bonded complexes, J. Chem. Phys. 119, 12129 (2003).
  7. C. L. Yaws Yaws' Handbook of Thermodynamic Properties for Hydrocarbons and Chemicals, Knovel (2009).
  8. D. R. Lide CRC Handbook of Chemistry and Physics 90th edition, CRC Press: Cleveland, Ohio (2009).
  9. Knovel Knovel Critical Tables (2nd Edition), Knovel (2008).
  10. 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
  11. 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