Summary

IUPAC namemethanethiol
Synonyms74-93-1, InChI=1S/CH4S/c1-2/h2H,1H3, mercaptomethane, methylmercaptan, methyl mercapta
CAS number74-93-1
ChemSpider ID855
PubChem ID878
Molecular weight48.1073 Da
FormulaCH4S
Multiplicity1
Point groupCs
Symmetry number1
Rotatable bondsNA
StdInChiInChI=1S/CH4S/c1-2/h2H,1H3


Liquid properties

PropertyUnitT (K)ExperimentGAFF-ESP-2012OPLSCGenFFCOSMO-RSkowwinGAFF-ESPXlogP3
log kOW298.150.7810.502
0.653

Flexible models Hydrogen constrained All bonds constrained.


Gas properties

PropertyUnitT (K)ExperimentG2G3G4CBS-QB3W1BDW1UB3LYP/aug-cc-pVTZBSCGenFFGAFF-BCC-2018GAFF-ESP-2018AXppAXpgAXps
EkJ/mol298.15124.354
E-scaledkJ/mol298.15128.264
S0J/mol K298.150.265253.804
255.206
255.227
S0-scaledJ/mol K298.15253.184
ZPEkJ/mol298.15120.68114.84
ZPE-scaledkJ/mol298.15118.94
CVJ/mol K298.1542.0±0.9943.34
CV-scaledJ/mol K298.1542.34
αanisoų298.150.14100.14100.1410
αxxų298.155.0885.57105.57105.5710
αyyų298.156.4985.65105.65105.6510
αzzų298.155.0885.55105.55105.5510
μxxD298.15-1.048-1.3610-1.3610-1.3710
μyyD298.151.1681.52101.56101.5610
μzzD298.158101010
θxxBuckingham298.150.8081.14101.09101.1010
θyyBuckingham298.150.1480.96101.11101.0910
θzzBuckingham298.15-1.878-2.1010-2.1910-2.1910


References

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