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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-836.837333
Energy at 298.15K 
HF Energy-836.837333
Nuclear repulsion energy141.349346
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
4/u)
Dep P Dep U
1 A 236 236 8.82 10.85 0.63 0.78
2 A 301 301 17.86 6.82 0.61 0.76
3 A 650 650 3.91 15.81 0.19 0.33
4 A 921 921 4.71 10.52 0.53 0.69
5 A 1229 1229 0.98 21.77 0.68 0.81
6 A 1475 1475 2.99 17.03 0.75 0.85
7 A 2751 2751 2.90 120.24 0.16 0.27
8 A 3119 3119 7.76 93.96 0.11 0.20
9 B 251 251 46.33 1.08 0.75 0.86
10 B 725 725 1.48 1.73 0.75 0.86
11 B 778 778 27.54 10.87 0.75 0.86
12 B 1028 1028 29.25 7.30 0.75 0.86
13 B 1293 1293 22.71 2.69 0.75 0.86
14 B 2750 2750 7.65 94.18 0.75 0.86
15 B 3184 3184 0.80 67.72 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10345.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10345.0 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
0.89050 0.10475 0.09810

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 0.777
S2 0.000 1.549 -0.179
S3 0.000 -1.549 -0.179
H4 0.879 -0.053 1.420
H5 -0.879 0.053 1.420
H6 1.116 1.295 -0.881
H7 -1.116 -1.295 -0.881

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.82051.82051.09091.09092.38132.3813
S21.82053.09852.42892.36021.34263.1347
S31.82053.09852.36022.42893.13471.3426
H41.09092.42892.36021.76182.67763.2893
H51.09092.36022.42891.76183.28932.6776
H62.38131.34263.13472.67763.28933.4185
H72.38133.13471.34263.28932.67763.4185

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.500 C1 S3 H7 96.500
S2 C1 S3 116.640 S2 C1 H4 110.563
S2 C1 H5 105.566 S3 C1 H4 105.566
S3 C1 H5 110.563 H4 C1 H5 107.700
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 -0.524      
2 S -0.024      
3 S -0.024      
4 H 0.198      
5 H 0.198      
6 H 0.087      
7 H 0.087      


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 0.432 0.432
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.469 2.048 0.000
y 2.048 -39.124 0.000
z 0.000 0.000 -32.105
Traceless
 xyz
x 4.145 2.048 0.000
y 2.048 -7.337 0.000
z 0.000 0.000 3.191
Polar
3z2-r26.382
x2-y27.655
xy2.048
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.294 0.125 0.000
y 0.125 7.797 0.000
z 0.000 0.000 5.434


<r2> (average value of r2) Å2
<r2> 115.821
(<r2>)1/2 10.762