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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: MP4=FULL/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at MP4=FULL/cc-pVTZ
 hartrees
Energy at 0K-835.990673
Energy at 298.15K 
HF Energy-835.299339
Nuclear repulsion energy142.039843
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 MP4=FULL/cc-pVTZ
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 3102 2987        
2 A 2718 2617        
3 A 1468 1414        
4 A 1209 1164        
5 A 911 878        
6 A 647 623        
7 A 298 286        
8 A 219 211        
9 B 3139 3023        
10 B 2718 2617        
11 B 1262 1216        
12 B 1007 969        
13 B 783 754        
14 B 715 688        
15 B 242 233        

Unscaled Zero Point Vibrational Energy (zpe) 10218.4 cm-1
Scaled (by 0.9629) Zero Point Vibrational Energy (zpe) 9839.3 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 MP4=FULL/cc-pVTZ
ABC
0.88695 0.10631 0.09928

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.784
S2 0.000 1.539 -0.179
S3 0.000 -1.539 -0.179
H4 0.877 -0.054 1.419
H5 -0.877 0.054 1.419
H6 1.087 1.245 -0.902
H7 -1.087 -1.245 -0.902

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.81591.81591.08461.08462.36082.3608
S21.81593.07852.42172.35171.33803.0748
S31.81593.07852.35172.42173.07481.3380
H41.08462.42172.35171.75812.66833.2656
H51.08462.35172.42171.75813.26562.6683
H62.36081.33803.07482.66833.26563.3051
H72.36083.07481.33803.26562.66833.3051

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 95.736 C1 S3 H7 95.736
S2 C1 S3 115.921 S2 C1 H4 110.682
S2 C1 H5 105.564 S3 C1 H4 105.564
S3 C1 H5 110.682 H4 C1 H5 108.285
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability