Summary

IUPAC name(1R,2R)-1,2-dimethylcyclopropane
Synonyms2402-06-4, 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 number2402-06-4
ChemSpider ID92890
PubChem ID6427079
Molecular weight70.1329 Da
FormulaC5H10
Multiplicity1
Point groupC1
Symmetry number1
Rotatable bondsNA
StdInChiInChI=1S/C5H10/c1-4-3-5(4)2/h4-5H,3H2,1-2H3


Liquid properties

PropertyUnitT (K)ExperimentGAFF-ESP-2012OPLSCGenFFCOSMO-RSkowwinGAFF-ESPXlogP3
log kOW298.152.101

Flexible models Hydrogen constrained All bonds constrained.


Gas properties

PropertyUnitT (K)ExperimentG2G3G4CBS-QB3W1BDW1UB3LYP/aug-cc-pVTZBSCGenFFGAFF-BCC-2018GAFF-ESP-2018AXppAXpgAXps
EkJ/mol298.15376.122361.413
E-scaledkJ/mol298.15373.063
ΔHformkJ/mol026.8225.2224.4230.8215.02
ΔHformkJ/mol298.159.54-3.22-4.82-4.821.72-14.12
ΔGformkJ/mol298.15108.02106.42105.02111.4295.62
ΔSformJ/mol K298.15-372.92-372.92-368.02-367.92-368.02
S0J/mol K298.15316.854309.202309.202314.092314.192314.072331.003
S0-scaledJ/mol K298.15328.583
ZPEkJ/mol298.15360.22344.13
ZPE-scaledkJ/mol298.15356.23
CVJ/mol K298.1597.3±2.0584.9284.9292.3292.4292.3297.23
CV-scaledJ/mol K298.1593.93
αanisoų298.151.5161.5261.516
αxxų298.158.8928.8968.8968.886
αyyų298.159.74210.03610.03610.036
αzzų298.158.9829.0069.0069.006
μxxD298.152666
μyyD298.152666
μzzD298.15-0.132-0.186-0.196-0.196
θxxBuckingham298.150.7620.6360.6160.636
θyyBuckingham298.15-0.372-0.846-0.846-0.836
θzzBuckingham298.150.3820.2260.2360.206


References

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  6. 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