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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: B2PLYP/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 B2PLYP/6-31G
 hartrees
Energy at 0K-836.366606
Energy at 298.15K 
HF Energy-836.296434
Nuclear repulsion energy136.895311
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 B2PLYP/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 232 232 9.47 21.14 0.62 0.77
2 A 285 285 28.97 14.87 0.67 0.80
3 A 597 597 5.76 22.43 0.18 0.30
4 A 876 876 5.23 17.84 0.62 0.77
5 A 1225 1225 1.60 26.19 0.71 0.83
6 A 1506 1506 2.51 20.31 0.75 0.86
7 A 2522 2522 12.65 149.00 0.18 0.31
8 A 3158 3158 7.11 93.34 0.11 0.20
9 B 234 234 57.79 3.77 0.75 0.86
10 B 699 699 43.66 12.14 0.75 0.86
11 B 723 723 0.38 6.90 0.75 0.86
12 B 1003 1003 30.46 10.46 0.75 0.86
13 B 1301 1301 25.61 2.54 0.75 0.86
14 B 2522 2522 45.61 121.12 0.75 0.86
15 B 3236 3236 0.39 65.61 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10059.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10059.6 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 B2PLYP/6-31G
ABC
0.83745 0.09773 0.09154

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.812
S2 0.000 1.604 -0.187
S3 0.000 -1.604 -0.187
H4 0.887 -0.054 1.439
H5 -0.887 0.054 1.439
H6 1.158 1.356 -0.887
H7 -1.158 -1.356 -0.887

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.88961.88961.08801.08802.46352.4635
S21.88963.20772.48592.41561.37593.2550
S31.88963.20772.41562.48593.25501.3759
H41.08802.48592.41561.77812.73373.3606
H51.08802.41562.48591.77813.36062.7337
H62.46351.37593.25502.73373.36063.5674
H72.46353.25501.37593.36062.73373.5674

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.680 C1 S3 H7 96.680
S2 C1 S3 116.163 S2 C1 H4 110.286
S2 C1 H5 105.239 S3 C1 H4 105.239
S3 C1 H5 110.286 H4 C1 H5 109.598
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.677      
2 S 0.050      
3 S 0.050      
4 H 0.221      
5 H 0.221      
6 H 0.068      
7 H 0.068      


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 0.458 0.458
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.345 2.872 0.000
y 2.872 -41.256 0.000
z 0.000 0.000 -33.036
Traceless
 xyz
x 4.801 2.872 0.000
y 2.872 -8.566 0.000
z 0.000 0.000 3.764
Polar
3z2-r27.528
x2-y28.911
xy2.872
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.274 0.103 0.000
y 0.103 8.181 0.000
z 0.000 0.000 5.200


<r2> (average value of r2) Å2
<r2> 123.252
(<r2>)1/2 11.102