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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: PBE1PBE/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 PBE1PBE/6-311G**
 hartrees
Energy at 0K-836.585635
Energy at 298.15K 
HF Energy-836.585635
Nuclear repulsion energy141.474417
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 PBE1PBE/6-311G**
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 229 220 9.99 12.13 0.65 0.79
2 A 298 286 15.39 8.95 0.66 0.80
3 A 649 622 2.76 12.88 0.17 0.30
4 A 904 868 5.50 7.18 0.39 0.57
5 A 1221 1171 1.83 13.20 0.65 0.79
6 A 1443 1384 2.71 12.59 0.73 0.85
7 A 2709 2599 0.15 142.26 0.15 0.26
8 A 3105 2978 7.29 103.43 0.09 0.16
9 B 255 244 44.33 2.70 0.75 0.86
10 B 710 681 2.29 0.90 0.75 0.86
11 B 768 737 38.91 8.12 0.75 0.86
12 B 1013 972 32.05 4.84 0.75 0.86
13 B 1276 1225 26.42 1.35 0.75 0.86
14 B 2709 2599 0.97 95.56 0.75 0.86
15 B 3163 3034 0.90 67.02 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10225.6 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 9810.4 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 PBE1PBE/6-311G**
ABC
0.90227 0.10455 0.09821

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.767
S2 0.000 1.550 -0.179
S3 0.000 -1.550 -0.179
H4 0.878 -0.056 1.411
H5 -0.878 0.056 1.411
H6 1.145 1.316 -0.848
H7 -1.145 -1.316 -0.848

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.81531.81531.09021.09022.37722.3772
S21.81533.09922.42352.35151.34683.1578
S31.81533.09922.35152.42353.15781.3468
H41.09022.42352.35151.75942.65623.2839
H51.09022.35152.42351.75943.28392.6562
H62.37721.34683.15782.65623.28393.4890
H72.37723.15781.34683.28392.65623.4890

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.364 C1 S3 H7 96.364
S2 C1 S3 117.224 S2 C1 H4 110.556
S2 C1 H5 105.319 S3 C1 H4 105.319
S3 C1 H5 110.556 H4 C1 H5 107.588
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.565      
2 S -0.023      
3 S -0.023      
4 H 0.204      
5 H 0.204      
6 H 0.102      
7 H 0.102      


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 0.426 0.426
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.852 2.064 0.000
y 2.064 -39.770 0.000
z 0.000 0.000 -33.105
Traceless
 xyz
x 4.586 2.064 0.000
y 2.064 -7.291 0.000
z 0.000 0.000 2.705
Polar
3z2-r25.411
x2-y27.918
xy2.064
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.622 0.104 0.000
y 0.104 8.814 0.000
z 0.000 0.000 5.643


<r2> (average value of r2) Å2
<r2> 116.249
(<r2>)1/2 10.782