Summary

IUPAC namehydroperoxymethane
Synonyms3031-73-0, InChI=1S/CH4O2/c1-3-2/h2H,1H3, methyl hydroperoxide, methylhydroperoxide, methylhydroperoxid
CAS number3031-73-0
ChemSpider ID17190
PubChem ID18199
Molecular weight48.0411 Da
FormulaCH4O2
Multiplicity1
Point groupC1
Symmetry number1
Rotatable bondsNA
StdInChiInChI=1S/CH4O2/c1-3-2/h2H,1H3


Liquid properties

PropertyUnitT (K)ExperimentGAFF-ESP-2012OPLSCGenFFCOSMO-RSkowwinGAFF-ESPXlogP3
log kOW298.15-0.401

Flexible models Hydrogen constrained All bonds constrained.


Gas properties

PropertyUnitT (K)ExperimentG2G3G4CBS-QB3W1BDW1UB3LYP/aug-cc-pVTZBSCGenFFGAFF-BCC-2018GAFF-ESP-2018AXppAXpgAXps
EkJ/mol298.15154.752148.383
E-scaledkJ/mol298.15153.023
ΔHformkJ/mol0-120.82-113.32-114.42-123.42-118.32-119.22
ΔHformkJ/mol298.15-131.04-134.12-126.52-127.42-136.12-131.12-132.12
-131.05
ΔGformkJ/mol298.15-73.44-72.92-65.42-66.82-76.32-70.82-71.82
ΔSformJ/mol K298.150.04-205.12-205.12-203.22-200.42-202.22-202.22
S0J/mol K298.150.284267.112267.112269.092271.872270.012270.012270.593
S0-scaledJ/mol K298.15269.613
ZPEkJ/mol298.15143.62137.03
ZPE-scaledkJ/mol298.15141.83
CVJ/mol K298.1549.3249.3252.3252.9252.7252.7254.23
CV-scaledJ/mol K298.1553.13
αanisoų298.150.3960.3960.396
αxxų298.155.1624.0564.0564.056
αyyų298.153.7823.6763.6763.676
αzzų298.153.6023.6963.6963.696
μxxD298.150.7520.7560.7560.746
μyyD298.15-0.492-0.496-0.496-0.496
μzzD298.151.3621.3661.3561.366
θxxBuckingham298.152.6524.0164.1164.066
θyyBuckingham298.15-2.092-2.956-3.006-2.976
θzzBuckingham298.15-0.052-1.066-1.116-1.086


References

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