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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: B97D3/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B97D3/6-31G**
 hartrees
Energy at 0K-836.864692
Energy at 298.15K 
HF Energy-836.864692
Nuclear repulsion energy140.067024
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 B97D3/6-31G**
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 226 226 6.19 12.41 0.58 0.73
2 A 298 298 17.87 8.01 0.62 0.77
3 A 609 609 3.62 14.43 0.20 0.34
4 A 892 892 4.01 11.04 0.44 0.61
5 A 1193 1193 1.66 22.08 0.66 0.79
6 A 1437 1437 1.34 17.50 0.74 0.85
7 A 2648 2648 5.01 120.37 0.15 0.26
8 A 3043 3043 12.54 100.28 0.10 0.19
9 B 259 259 46.51 1.13 0.75 0.86
10 B 692 692 39.58 2.22 0.75 0.86
11 B 712 712 7.79 7.57 0.75 0.86
12 B 996 996 25.30 8.21 0.75 0.86
13 B 1250 1250 31.71 4.69 0.75 0.86
14 B 2647 2647 13.92 92.62 0.75 0.86
15 B 3107 3107 2.73 70.65 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10003.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10003.7 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 B97D3/6-31G**
ABC
0.88337 0.10242 0.09604

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.780
S2 0.000 1.567 -0.180
S3 0.000 -1.567 -0.180
H4 0.885 -0.058 1.423
H5 -0.885 0.058 1.423
H6 1.126 1.305 -0.880
H7 -1.126 -1.305 -0.880

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.83781.83781.09551.09552.39262.3926
S21.83783.13412.44852.37301.35083.1632
S31.83783.13412.37302.44853.16321.3508
H41.09552.44852.37301.77312.68703.3016
H51.09552.37302.44851.77313.30162.6870
H62.39261.35083.16322.68703.30163.4472
H72.39263.16321.35083.30162.68703.4472

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.037 C1 S3 H7 96.037
S2 C1 S3 117.011 S2 C1 H4 110.614
S2 C1 H5 105.171 S3 C1 H4 105.171
S3 C1 H5 110.614 H4 C1 H5 108.050
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.478      
2 S -0.030      
3 S -0.030      
4 H 0.184      
5 H 0.184      
6 H 0.085      
7 H 0.085      


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 0.435 0.435
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.349 1.927 0.000
y 1.927 -38.797 0.000
z 0.000 0.000 -32.089
Traceless
 xyz
x 4.093 1.927 0.000
y 1.927 -7.078 0.000
z 0.000 0.000 2.985
Polar
3z2-r25.969
x2-y27.448
xy1.927
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.364 0.138 0.000
y 0.138 8.353 0.000
z 0.000 0.000 5.501


<r2> (average value of r2) Å2
<r2> 117.668
(<r2>)1/2 10.847