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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: wB97X-D/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 wB97X-D/6-31G*
 hartrees
Energy at 0K-836.828569
Energy at 298.15K 
HF Energy-836.828569
Nuclear repulsion energy141.336163
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 wB97X-D/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 240 228 8.20 10.83 0.62 0.77
2 A 303 287 19.29 7.08 0.62 0.77
3 A 652 618 3.92 15.97 0.20 0.33
4 A 927 879 4.91 10.79 0.54 0.70
5 A 1241 1177 1.19 22.96 0.68 0.81
6 A 1494 1417 3.22 17.42 0.75 0.86
7 A 2748 2606 4.92 121.31 0.17 0.29
8 A 3125 2964 8.00 91.98 0.12 0.21
9 B 255 242 47.73 1.11 0.75 0.86
10 B 730 693 1.76 1.65 0.75 0.86
11 B 779 739 27.81 11.05 0.75 0.86
12 B 1037 983 30.41 7.51 0.75 0.86
13 B 1308 1240 23.18 3.00 0.75 0.86
14 B 2747 2606 12.50 101.76 0.75 0.86
15 B 3187 3022 0.88 68.96 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10385.1 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 9850.2 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 wB97X-D/6-31G*
ABC
0.88875 0.10481 0.09813

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.778
S2 0.000 1.549 -0.180
S3 0.000 -1.549 -0.180
H4 0.880 -0.053 1.422
H5 -0.880 0.053 1.422
H6 1.116 1.292 -0.883
H7 -1.116 -1.292 -0.883

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.82081.82081.09171.09172.38162.3816
S21.82083.09782.43012.36121.34363.1325
S31.82083.09782.36122.43013.13251.3436
H41.09172.43012.36121.76252.67913.2907
H51.09172.36122.43011.76253.29072.6791
H62.38161.34363.13252.67913.29073.4150
H72.38163.13251.34363.29072.67913.4150

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.471 C1 S3 H7 96.471
S2 C1 S3 116.568 S2 C1 H4 110.598
S2 C1 H5 105.591 S3 C1 H4 105.591
S3 C1 H5 110.598 H4 C1 H5 107.654
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.601      
2 S -0.059      
3 S -0.059      
4 H 0.237      
5 H 0.237      
6 H 0.123      
7 H 0.123      


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 0.430 0.430
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.504 2.089 0.000
y 2.089 -39.246 0.000
z 0.000 0.000 -32.135
Traceless
 xyz
x 4.187 2.089 0.000
y 2.089 -7.426 0.000
z 0.000 0.000 3.240
Polar
3z2-r26.480
x2-y27.742
xy2.089
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.252 0.116 0.000
y 0.116 7.744 0.000
z 0.000 0.000 5.383


<r2> (average value of r2) Å2
<r2> 115.836
(<r2>)1/2 10.763