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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: M06-2X/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 M06-2X/6-311G*
 hartrees
Energy at 0K-836.845064
Energy at 298.15K 
HF Energy-836.845064
Nuclear repulsion energy141.622255
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 M06-2X/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 246 246 7.48 11.20 0.64 0.78
2 A 303 303 18.59 9.94 0.70 0.82
3 A 656 656 2.80 15.90 0.16 0.27
4 A 938 938 6.57 6.72 0.44 0.61
5 A 1242 1242 2.22 14.62 0.69 0.81
6 A 1474 1474 2.39 12.45 0.72 0.84
7 A 2693 2693 0.80 139.76 0.17 0.29
8 A 3125 3125 7.57 95.77 0.10 0.18
9 B 264 264 45.69 2.53 0.75 0.86
10 B 732 732 3.49 0.28 0.75 0.86
11 B 775 775 32.42 10.22 0.75 0.86
12 B 1042 1042 36.65 4.97 0.75 0.86
13 B 1298 1298 24.35 1.22 0.75 0.86
14 B 2692 2692 2.94 103.21 0.75 0.86
15 B 3180 3180 0.65 65.54 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10328.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10328.8 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 M06-2X/6-311G*
ABC
0.89073 0.10529 0.09863

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-311G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.777
S2 0.000 1.545 -0.180
S3 0.000 -1.545 -0.180
H4 0.877 -0.053 1.419
H5 -0.877 0.053 1.419
H6 1.128 1.283 -0.864
H7 -1.128 -1.283 -0.864

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.81761.81761.08811.08812.36842.3684
S21.81763.09042.42482.35651.34443.1205
S31.81763.09042.35652.42483.12051.3444
H41.08812.42482.35651.75702.65673.2774
H51.08812.35652.42481.75703.27742.6567
H62.36841.34443.12052.65673.27743.4162
H72.36843.12051.34443.27742.65673.4162

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 95.854 C1 S3 H7 95.854
S2 C1 S3 116.453 S2 C1 H4 110.610
S2 C1 H5 105.625 S3 C1 H4 105.625
S3 C1 H5 110.610 H4 C1 H5 107.685
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.777      
2 S -0.070      
3 S -0.070      
4 H 0.292      
5 H 0.292      
6 H 0.167      
7 H 0.167      


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 0.386 0.386
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.219 1.977 0.000
y 1.977 -40.176 0.000
z 0.000 0.000 -33.232
Traceless
 xyz
x 4.485 1.977 0.000
y 1.977 -7.451 0.000
z 0.000 0.000 2.966
Polar
3z2-r25.931
x2-y27.957
xy1.977
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.465 0.064 0.000
y 0.064 8.683 0.000
z 0.000 0.000 5.579


<r2> (average value of r2) Å2
<r2> 115.952
(<r2>)1/2 10.768