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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: B3LYP/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3LYP/6-311G**
 hartrees
Energy at 0K-836.954023
Energy at 298.15K 
HF Energy-836.954023
Nuclear repulsion energy140.289397
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 B3LYP/6-311G**
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 230 222 9.36 13.06 0.64 0.78
2 A 291 282 13.98 9.73 0.66 0.79
3 A 624 603 2.45 15.01 0.17 0.29
4 A 899 869 5.07 7.22 0.39 0.56
5 A 1217 1177 2.09 13.00 0.66 0.79
6 A 1450 1402 1.80 13.37 0.72 0.84
7 A 2665 2576 0.76 146.71 0.16 0.28
8 A 3084 2982 9.05 102.45 0.09 0.17
9 B 256 248 40.91 3.15 0.75 0.86
10 B 707 683 13.31 0.33 0.75 0.86
11 B 726 702 34.58 9.80 0.75 0.86
12 B 1012 978 31.49 5.16 0.75 0.86
13 B 1275 1233 31.07 0.99 0.75 0.86
14 B 2664 2576 3.47 97.03 0.75 0.86
15 B 3138 3034 1.33 67.97 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10118.4 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 9782.5 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 B3LYP/6-311G**
ABC
0.89597 0.10228 0.09619

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.771
S2 0.000 1.567 -0.180
S3 0.000 -1.567 -0.180
H4 0.878 -0.055 1.412
H5 -0.878 0.055 1.412
H6 1.155 1.345 -0.841
H7 -1.155 -1.345 -0.841

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.83251.83251.08891.08892.39582.3958
S21.83253.13312.43652.36421.34873.2014
S31.83253.13312.36422.43653.20141.3487
H41.08892.43652.36421.76032.66673.2972
H51.08892.36422.43651.76033.29722.6667
H62.39581.34873.20142.66673.29723.5462
H72.39583.20141.34873.29722.66673.5462

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.536 C1 S3 H7 96.536
S2 C1 S3 117.484 S2 C1 H4 110.425
S2 C1 H5 105.189 S3 C1 H4 105.189
S3 C1 H5 110.425 H4 C1 H5 107.864
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.515      
2 S -0.011      
3 S -0.011      
4 H 0.185      
5 H 0.185      
6 H 0.084      
7 H 0.084      


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 0.454 0.454
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.117 2.027 0.000
y 2.027 -39.910 0.000
z 0.000 0.000 -33.525
Traceless
 xyz
x 4.600 2.027 0.000
y 2.027 -7.089 0.000
z 0.000 0.000 2.489
Polar
3z2-r24.977
x2-y27.793
xy2.027
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.733 0.117 0.000
y 0.117 9.140 0.000
z 0.000 0.000 5.706


<r2> (average value of r2) Å2
<r2> 118.343
(<r2>)1/2 10.879