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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G
 hartrees
Energy at 0K-836.483255
Energy at 298.15K 
HF Energy-836.483255
Nuclear repulsion energy137.955654
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 HSEh1PBE/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 230 220 12.35 20.54 0.63 0.78
2 A 289 277 29.83 13.20 0.65 0.79
3 A 616 589 6.04 20.48 0.20 0.33
4 A 879 841 6.24 17.65 0.60 0.75
5 A 1225 1172 1.54 26.48 0.70 0.82
6 A 1492 1428 5.38 19.59 0.75 0.86
7 A 2541 2431 10.68 150.34 0.18 0.30
8 A 3158 3021 5.44 97.45 0.10 0.18
9 B 233 223 64.71 3.53 0.75 0.86
10 B 720 688 35.53 1.76 0.75 0.86
11 B 727 695 13.59 14.58 0.75 0.86
12 B 1004 960 31.72 10.22 0.75 0.86
13 B 1296 1240 20.09 3.49 0.75 0.86
14 B 2541 2431 40.82 120.59 0.75 0.86
15 B 3238 3097 0.11 66.92 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10094.2 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 9656.1 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 HSEh1PBE/6-31G
ABC
0.84817 0.09951 0.09324

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.803
S2 0.000 1.589 -0.185
S3 0.000 -1.589 -0.185
H4 0.886 -0.055 1.435
H5 -0.886 0.055 1.435
H6 1.160 1.343 -0.882
H7 -1.160 -1.343 -0.882

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.87141.87141.08911.08912.44752.4475
S21.87143.17812.47212.40031.37533.2296
S31.87143.17812.40032.47213.22961.3753
H41.08912.47212.40031.77502.71973.3484
H51.08912.40032.47211.77503.34842.7197
H62.44751.37533.22962.71973.34843.5501
H72.44753.22961.37533.34842.71973.5501

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.656 C1 S3 H7 96.656
S2 C1 S3 116.229 S2 C1 H4 110.430
S2 C1 H5 105.265 S3 C1 H4 105.265
S3 C1 H5 110.430 H4 C1 H5 109.151
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.775      
2 S 0.048      
3 S 0.048      
4 H 0.253      
5 H 0.253      
6 H 0.086      
7 H 0.086      


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 0.461 0.461
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.835 3.016 0.000
y 3.016 -40.992 0.000
z 0.000 0.000 -32.599
Traceless
 xyz
x 4.960 3.016 0.000
y 3.016 -8.775 0.000
z 0.000 0.000 3.814
Polar
3z2-r27.629
x2-y29.157
xy3.016
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.268 0.103 0.000
y 0.103 8.081 0.000
z 0.000 0.000 5.179


<r2> (average value of r2) Å2
<r2> 121.267
(<r2>)1/2 11.012