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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: PBEPBE/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at PBEPBE/6-311G*
 hartrees
Energy at 0K-836.504670
Energy at 298.15K 
HF Energy-836.504670
Nuclear repulsion energy140.037103
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 PBEPBE/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 225 223 8.52 13.66 0.62 0.77
2 A 291 288 16.91 11.01 0.68 0.81
3 A 613 606 2.24 12.71 0.19 0.32
4 A 875 866 5.67 8.47 0.34 0.50
5 A 1192 1179 2.81 15.41 0.64 0.78
6 A 1415 1401 3.27 14.13 0.73 0.84
7 A 2552 2526 2.44 143.16 0.16 0.28
8 A 3017 2985 10.09 103.52 0.10 0.17
9 B 259 256 48.10 3.20 0.75 0.86
10 B 686 679 13.64 0.33 0.75 0.86
11 B 709 702 43.30 7.41 0.75 0.86
12 B 985 974 32.38 5.86 0.75 0.86
13 B 1242 1229 27.78 3.01 0.75 0.86
14 B 2552 2525 8.80 100.00 0.75 0.86
15 B 3072 3040 1.91 71.31 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9841.9 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 9739.5 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 PBEPBE/6-311G*
ABC
0.89262 0.10210 0.09604

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.769
S2 0.000 1.568 -0.180
S3 0.000 -1.568 -0.180
H4 0.883 -0.060 1.418
H5 -0.883 0.060 1.418
H6 1.162 1.330 -0.850
H7 -1.162 -1.330 -0.850

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.83261.83261.09781.09782.39582.3958
S21.83263.13632.44622.36781.36283.1936
S31.83263.13632.36782.44623.19361.3628
H41.09782.44622.36781.77022.67483.3076
H51.09782.36782.44621.77023.30762.6748
H62.39581.36283.19362.67483.30763.5324
H72.39583.19361.36283.30762.67483.5324

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.025 C1 S3 H7 96.025
S2 C1 S3 117.673 S2 C1 H4 110.671
S2 C1 H5 105.024 S3 C1 H4 105.024
S3 C1 H5 110.671 H4 C1 H5 107.465
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.755      
2 S -0.082      
3 S -0.082      
4 H 0.286      
5 H 0.286      
6 H 0.173      
7 H 0.173      


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 0.417 0.417
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.039 2.098 0.000
y 2.098 -40.038 0.000
z 0.000 0.000 -33.492
Traceless
 xyz
x 4.726 2.098 0.000
y 2.098 -7.273 0.000
z 0.000 0.000 2.547
Polar
3z2-r25.093
x2-y27.999
xy2.098
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.731 0.098 0.000
y 0.098 9.368 0.000
z 0.000 0.000 5.686


<r2> (average value of r2) Å2
<r2> 118.520
(<r2>)1/2 10.887