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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: PBEPBE/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 PBEPBE/6-31G
 hartrees
Energy at 0K-836.379783
Energy at 298.15K 
HF Energy-836.379783
Nuclear repulsion energy136.435254
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 PBEPBE/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 219 216 10.64 22.02 0.60 0.75
2 A 281 277 28.35 13.79 0.65 0.79
3 A 584 576 5.39 18.41 0.21 0.34
4 A 842 830 5.40 18.01 0.53 0.69
5 A 1179 1162 2.00 26.80 0.69 0.81
6 A 1443 1423 4.22 19.95 0.75 0.86
7 A 2447 2413 12.21 145.32 0.18 0.30
8 A 3070 3027 6.72 99.10 0.10 0.18
9 B 235 232 63.04 4.05 0.75 0.86
10 B 666 657 66.95 6.41 0.75 0.86
11 B 696 686 0.17 6.55 0.75 0.86
12 B 965 951 27.58 11.43 0.75 0.86
13 B 1244 1227 23.45 5.34 0.75 0.86
14 B 2447 2413 49.28 111.57 0.75 0.86
15 B 3149 3106 0.49 66.77 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9732.8 cm-1
Scaled (by 0.9862) Zero Point Vibrational Energy (zpe) 9598.5 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 PBEPBE/6-31G
ABC
0.83651 0.09700 0.09104

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.808
S2 0.000 1.609 -0.187
S3 0.000 -1.609 -0.187
H4 0.895 -0.059 1.441
H5 -0.895 0.059 1.441
H6 1.184 1.363 -0.872
H7 -1.184 -1.363 -0.872

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.89201.89201.09771.09772.46592.4659
S21.89203.21842.49682.41971.39003.2718
S31.89203.21842.41972.49683.27181.3900
H41.09772.49682.41971.79352.73003.3722
H51.09772.41972.49681.79353.37222.7300
H62.46591.39003.27182.73003.37223.6113
H72.46593.27181.39003.37222.73003.6113

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.213 C1 S3 H7 96.213
S2 C1 S3 116.545 S2 C1 H4 110.421
S2 C1 H5 104.935 S3 C1 H4 104.935
S3 C1 H5 110.421 H4 C1 H5 109.551
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.723      
2 S 0.036      
3 S 0.036      
4 H 0.240      
5 H 0.240      
6 H 0.085      
7 H 0.085      


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 0.481 0.481
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D ÅAn error occurred on the server when processing the URL. Please contact the system administrator.

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