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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-836.704879
Energy at 298.15K 
HF Energy-836.704879
Nuclear repulsion energy138.483848
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 254 254 1.34 15.49 0.56 0.72
2 A 314 314 38.48 20.04 0.74 0.85
3 A 628 628 6.10 22.84 0.19 0.32
4 A 896 896 6.63 18.44 0.61 0.76
5 A 1224 1224 1.11 28.14 0.71 0.83
6 A 1500 1500 4.34 20.46 0.75 0.86
7 A 2553 2553 10.03 154.82 0.16 0.28
8 A 3172 3172 4.14 100.38 0.10 0.19
9 B 274 274 64.36 3.18 0.75 0.86
10 B 736 736 3.37 2.42 0.75 0.86
11 B 748 748 33.01 17.74 0.75 0.86
12 B 1012 1012 33.34 10.36 0.75 0.86
13 B 1301 1301 18.30 2.73 0.75 0.86
14 B 2553 2553 35.67 131.42 0.75 0.86
15 B 3246 3246 0.02 70.21 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10205.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10205.2 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
0.83949 0.10096 0.09426

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 0.813
S2 0.000 1.579 -0.186
S3 0.000 -1.579 -0.186
H4 0.885 -0.053 1.442
H5 -0.885 0.053 1.442
H6 1.130 1.302 -0.912
H7 -1.130 -1.302 -0.912

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.86791.86791.08721.08722.43872.4387
S21.86793.15762.46852.40031.37173.1791
S31.86793.15762.40032.46853.17911.3717
H41.08722.46852.40031.77312.72693.3412
H51.08722.40032.46851.77313.34122.7269
H62.43871.37173.17912.72693.34123.4492
H72.43873.17911.37173.34122.72693.4492

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.464 C1 S3 H7 96.464
S2 C1 S3 115.396 S2 C1 H4 110.501
S2 C1 H5 105.572 S3 C1 H4 105.572
S3 C1 H5 110.501 H4 C1 H5 109.259
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 -0.751      
2 S 0.059      
3 S 0.059      
4 H 0.241      
5 H 0.241      
6 H 0.075      
7 H 0.075      


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 0.419 0.419
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.237 2.835 0.000
y 2.835 -41.245 0.000
z 0.000 0.000 -32.504
Traceless
 xyz
x 4.638 2.835 0.000
y 2.835 -8.875 0.000
z 0.000 0.000 4.237
Polar
3z2-r28.474
x2-y29.009
xy2.835
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.246 0.084 0.000
y 0.084 7.929 0.000
z 0.000 0.000 5.306


<r2> (average value of r2) Å2
<r2> 120.237
(<r2>)1/2 10.965