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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: wB97X-D/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 wB97X-D/6-311G**
 hartrees
Energy at 0K-836.898410
Energy at 298.15K 
HF Energy-836.898410
Nuclear repulsion energy141.297158
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/6-311G**
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 237 227 10.79 12.22 0.67 0.80
2 A 299 286 14.86 8.60 0.66 0.80
3 A 647 619 2.91 14.96 0.16 0.28
4 A 915 875 5.12 6.92 0.43 0.60
5 A 1229 1176 1.75 13.27 0.68 0.81
6 A 1456 1392 2.34 12.73 0.73 0.84
7 A 2737 2618 0.46 144.14 0.16 0.28
8 A 3105 2970 8.73 99.76 0.09 0.17
9 B 258 246 41.95 2.99 0.75 0.86
10 B 718 687 2.79 0.56 0.75 0.86
11 B 768 734 34.47 9.52 0.75 0.86
12 B 1025 980 32.32 4.86 0.75 0.86
13 B 1288 1232 25.87 0.83 0.75 0.86
14 B 2737 2618 1.93 96.97 0.75 0.86
15 B 3164 3026 0.92 65.93 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10290.3 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 9842.7 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/6-311G**
ABC
0.89775 0.10429 0.09794

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.770
S2 0.000 1.551 -0.180
S3 0.000 -1.551 -0.180
H4 0.878 -0.052 1.413
H5 -0.878 0.052 1.413
H6 1.146 1.321 -0.843
H7 -1.146 -1.321 -0.843

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.81941.81941.08911.08912.37942.3794
S21.81943.10292.42492.35691.34383.1632
S31.81943.10292.35692.42493.16321.3438
H41.08912.42492.35691.75902.65443.2854
H51.08912.35692.42491.75903.28542.6544
H62.37941.34383.16322.65443.28543.4984
H72.37943.16321.34383.28542.65443.4984

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.403 C1 S3 H7 96.403
S2 C1 S3 117.017 S2 C1 H4 110.435
S2 C1 H5 105.491 S3 C1 H4 105.491
S3 C1 H5 110.435 H4 C1 H5 107.710
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.541      
2 S -0.016      
3 S -0.016      
4 H 0.197      
5 H 0.197      
6 H 0.090      
7 H 0.090      


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 0.437 0.437
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.764 2.086 0.000
y 2.086 -39.663 0.000
z 0.000 0.000 -33.050
Traceless
 xyz
x 4.593 2.086 0.000
y 2.086 -7.256 0.000
z 0.000 0.000 2.664
Polar
3z2-r25.328
x2-y27.899
xy2.086
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.614 0.086 0.000
y 0.086 8.645 0.000
z 0.000 0.000 5.614


<r2> (average value of r2) Å2
<r2> 116.452
(<r2>)1/2 10.791