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Experimental data for CH3SSH (Hydrogen methyl disulfide)

22 02 02 11 45
Other names
Methanesulfenothioic acid; Methyl hydrodisulfide; Methanesulfenic acid, thio-;
INChI INChIKey SMILES IUPAC name
InChI=1S/CH4S2/c1-3-2/h2H,1H3 KFLNNVFDKSNGBW-UHFFFAOYSA-N CSS
State Conformation
1A C1
Enthalpy of formation (Hfg), Entropy, Integrated heat capacity (0 K to 298.15 K) (HH), Heat Capacity (Cp)
Property Value Uncertainty units Reference Comment
Information can also be found for this species in the NIST Chemistry Webbook
Vibrational levels (cm-1) vibrations
Mode Number Symmetry Frequency Intensity Comment Description
Fundamental(cm-1) Harmonic(cm-1) Reference (km mol-1) unc. Reference

Calculated vibrational frequencies for CH3SSH (Hydrogen methyl disulfide).
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment
0.56257 0.14817 0.12276 1986Tyb/Ha:353

Calculated rotational constants for CH3SSH (Hydrogen methyl disulfide).
Product of moments of inertia moments of inertia
468138.9amu3Å6   2.14359508692225E-114gm3 cm6
Geometric Data
picture of Hydrogen methyl disulfide

Point Group C1


Internal coordinates
distances (r) in Å, angles (a) in degrees, dihedrals (d) in degrees
Description Value unc. Connectivity Reference Comment
Atom 1 Atom 2 Atom 3 Atom 4
rSS 2.038   2 3 1986Tyb/Ha:353
rCS 1.823   1 2 1986Tyb/Ha:353
rHS 1.339   3 4 1986Tyb/Ha:353
rHC 1.089   1 6 1986Tyb/Ha:353
rHC 1.087   1 7 1986Tyb/Ha:353
rHC 1.087   1 5 1986Tyb/Ha:353
aCSS 102.5 1 2 3 1986Tyb/Ha:353
aHSS 98.3 2 3 4 1986Tyb/Ha:353
aHCS 106.6 2 1 6
aHCS 110.1 2 1 7 1986Tyb/Ha:353
aCHS 109.8 2 1 5 1986Tyb/Ha:353
dHCCS 88.9 1 2 3 4 1986Tyb/Ha:353
dHCSS 176.2 3 2 1 6 1986Tyb/Ha:353
dHCSS -65.1 3 2 1 7 1986Tyb/Ha:353
dHCSS 57.5 3 2 1 5 1986Tyb/Ha:353

Cartesians
Atom x (Å) y (Å) z (Å)
C1 -1.6463 0.6787 -0.0033
S2 -0.4606 -0.7060 0.0127
S3 1.3362 0.2507 -0.0867
H4 1.5393 0.4174 1.2263
H5 -1.4978 1.2802 -0.8965
H6 -2.6411 0.2362 -0.0211
H7 -1.5319 1.2789 0.8957

Atom - Atom Distances bond lengths
Distances in Å
  C1 S2 S3 H4 H5 H6 H7
C1   1.82303.01413.42461.08701.08901.0870
S2 1.8230   2.03802.59502.41812.37562.4222
S3 3.01412.0380   1.33903.12203.97793.2012
H4 3.42462.59501.3390   3.80454.36633.2067
H5 1.08702.41813.12203.8045   1.77861.7925
H6 1.08902.37563.97794.36631.7786   1.7771
H7 1.08702.42223.20123.20671.79251.7771  

Calculated geometries for CH3SSH (Hydrogen methyl disulfide).

Experimental Bond Angles (degrees) from cartesians bond angles

atom1 atom2 atom3 angle         atom1 atom2 atom3 angle
C1 S2 S3 102.500 S2 C1 H5 109.800
S2 C1 H6 106.600 S2 C1 H7 110.100
S2 S3 H4 98.300 H5 C1 H6 109.647
H5 C1 H7 111.078 H6 C1 H7 109.512

Bond descriptions


Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type Count
H-C 3
H-S 1
C-S 1
S-S 1

Connectivity
Atom 1 Atom 2
C1 S2
C1 H5
C1 H6
C1 H7
S2 S3
S3 H4
Electronic energy levels (cm-1)
Energy (cm-1) Degeneracy reference description
0 1   1A
Dipole, Quadrupole and Polarizability
Electric dipole moment dipole
State Config State description Conf description Exp. min. Dipole (Debye) Reference comment Point Group Components
x y z total dipole quadrupole
1 1 1A C1 True 1.082 1.217 0.757 1.796 1986Tyb/Ha:353 a=x, b=y, c=z C1 3 5
Experimental dipole measurement abbreviations: MW microwave; DT Dielectric with Temperature variation; DR Indirect (usually an upper limit); MB Molecular beam
Calculated electric dipole moments for CH3SSH (Hydrogen methyl disulfide).
Electric quadrupole moment quadrupole
State Config State description Conf description Exp. min. Quadrupole (D Å) Reference comment Point Group Components
xx yy zz dipole quadrupole
1 1 1A C1 True       C1 3 5

Calculated electric quadrupole moments for CH3SSH (Hydrogen methyl disulfide).

References
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squib reference DOI
1986Tyb/Ha:353 M Tyblewski, T-K Ha, A Bauder "Microwave Spectrum, Electric Dipole Moment, Internal Rotation Barrier, and Molecular Structure of Methyl Hydrodisulfide" J. Mol. Spect. 115, 353-365 (1986) 10.1016/0022-2852(86)90052-4

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