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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: M06-2X/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 M06-2X/6-31G**
 hartrees
Energy at 0K-836.783882
Energy at 298.15K 
HF Energy-836.783882
Nuclear repulsion energy141.623556
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/6-31G**
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 239 227 5.36 10.67 0.61 0.76
2 A 310 295 19.17 7.86 0.65 0.79
3 A 658 626 3.89 15.43 0.18 0.31
4 A 935 888 5.62 10.65 0.52 0.68
5 A 1224 1163 0.92 23.03 0.69 0.82
6 A 1471 1398 1.94 17.90 0.74 0.85
7 A 2743 2607 1.68 129.75 0.15 0.26
8 A 3127 2972 6.58 100.05 0.11 0.20
9 B 261 248 45.80 1.05 0.75 0.86
10 B 733 697 1.42 1.49 0.75 0.86
11 B 782 744 26.60 11.26 0.75 0.86
12 B 1033 981 30.44 7.72 0.75 0.86
13 B 1283 1219 23.68 3.31 0.75 0.86
14 B 2743 2607 4.87 100.74 0.75 0.86
15 B 3189 3031 0.53 71.85 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10365.5 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 9851.4 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/6-31G**
ABC
0.88497 0.10555 0.09870

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.782
S2 0.000 1.544 -0.180
S3 0.000 -1.544 -0.180
H4 0.880 -0.054 1.424
H5 -0.880 0.054 1.424
H6 1.107 1.268 -0.887
H7 -1.107 -1.268 -0.887

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.81911.81911.09041.09042.37042.3704
S21.81913.08792.42882.35971.34213.1037
S31.81913.08792.35972.42883.10371.3421
H41.09042.42882.35971.76242.67213.2806
H51.09042.35972.42881.76243.28062.6721
H62.37041.34213.10372.67213.28063.3666
H72.37043.10371.34213.28062.67213.3666

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 95.977 C1 S3 H7 95.977
S2 C1 S3 116.152 S2 C1 H4 110.683
S2 C1 H5 105.646 S3 C1 H4 105.646
S3 C1 H5 110.683 H4 C1 H5 107.832
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.534      
2 S -0.016      
3 S -0.016      
4 H 0.197      
5 H 0.197      
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 0.424 0.424
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.749 1.889 0.000
y 1.889 -39.228 0.000
z 0.000 0.000 -32.260
Traceless
 xyz
x 3.995 1.889 0.000
y 1.889 -7.223 0.000
z 0.000 0.000 3.229
Polar
3z2-r26.457
x2-y27.479
xy1.889
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.348 0.126 0.000
y 0.126 7.883 0.000
z 0.000 0.000 5.527


<r2> (average value of r2) Å2
<r2> 115.332
(<r2>)1/2 10.739