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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: wB97X-D/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at wB97X-D/6-31G
 hartrees
Energy at 0K-836.758400
Energy at 298.15K 
HF Energy-836.758400
Nuclear repulsion energy138.080262
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at wB97X-D/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 240 240 13.06 20.17 0.64 0.78
2 A 291 291 30.46 13.10 0.65 0.79
3 A 623 623 6.58 22.52 0.19 0.32
4 A 888 888 6.18 17.84 0.63 0.77
5 A 1231 1231 1.20 26.89 0.71 0.83
6 A 1502 1502 5.41 19.83 0.75 0.86
7 A 2556 2556 10.65 151.76 0.18 0.31
8 A 3159 3159 5.74 95.19 0.10 0.19
9 B 235 235 64.36 3.61 0.75 0.86
10 B 730 730 12.51 0.29 0.75 0.86
11 B 737 737 30.38 18.38 0.75 0.86
12 B 1012 1012 32.16 10.06 0.75 0.86
13 B 1308 1308 19.01 2.35 0.75 0.86
14 B 2556 2556 39.36 122.44 0.75 0.86
15 B 3238 3238 0.09 67.06 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10152.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10152.9 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at wB97X-D/6-31G
ABC
0.84346 0.09991 0.09350

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.808
S2 0.000 1.586 -0.186
S3 0.000 -1.586 -0.186
H4 0.886 -0.052 1.438
H5 -0.886 0.052 1.438
H6 1.154 1.338 -0.884
H7 -1.154 -1.338 -0.884

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.87171.87171.08841.08842.44622.4462
S21.87173.17202.47092.40361.37133.2201
S31.87173.17202.40362.47093.22011.3713
H41.08842.47092.40361.77442.71933.3477
H51.08842.40362.47091.77443.34772.7193
H62.44621.37133.22012.71933.34773.5344
H72.44623.22011.37133.34772.71933.5344

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.711 C1 S3 H7 96.711
S2 C1 S3 115.845 S2 C1 H4 110.359
S2 C1 H5 105.506 S3 C1 H4 105.506
S3 C1 H5 110.359 H4 C1 H5 109.204
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.750      
2 S 0.047      
3 S 0.047      
4 H 0.247      
5 H 0.247      
6 H 0.081      
7 H 0.081      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.474 0.474
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.762 3.053 0.000
y 3.053 -41.053 0.000
z 0.000 0.000 -32.431
Traceless
 xyz
x 4.980 3.053 0.000
y 3.053 -8.957 0.000
z 0.000 0.000 3.976
Polar
3z2-r27.953
x2-y29.292
xy3.053
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.246 0.085 0.000
y 0.085 7.907 0.000
z 0.000 0.000 5.173


<r2> (average value of r2) Å2
<r2> 120.945
(<r2>)1/2 10.998