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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: MP4=FULL/cc-pVDZ

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-pVDZ
 hartrees
Energy at 0K-835.741191
Energy at 298.15K 
HF Energy-835.251808
Nuclear repulsion energy140.577381
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-pVDZ
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 3092 2984        
2 A 2742 2647        
3 A 1447 1397        
4 A 1198 1156        
5 A 903 871        
6 A 638 616        
7 A 301 291        
8 A 230 222        
9 B 3158 3048        
10 B 2742 2646        
11 B 1256 1212        
12 B 1005 970        
13 B 776 749        
14 B 711 687        
15 B 260 251        

Unscaled Zero Point Vibrational Energy (zpe) 10230.2 cm-1
Scaled (by 0.9651) Zero Point Vibrational Energy (zpe) 9873.1 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 MP4=FULL/cc-pVDZ
ABC
0.87286 0.10399 0.09725

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.787
S2 0.000 1.556 -0.181
S3 0.000 -1.556 -0.181
H4 0.890 -0.057 1.436
H5 -0.890 0.057 1.436
H6 1.110 1.264 -0.894
H7 -1.110 -1.264 -0.894

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.83241.83241.10341.10342.37822.3782
S21.83243.11182.45162.37791.35113.1135
S31.83243.11182.37792.45163.11351.3511
H41.10342.45162.37791.78392.68803.2997
H51.10342.37792.45161.78393.29972.6880
H62.37821.35113.11352.68803.29973.3648
H72.37823.11351.35113.29972.68803.3648

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 95.478 C1 S3 H7 95.478
S2 C1 S3 116.231 S2 C1 H4 110.791
S2 C1 H5 105.481 S3 C1 H4 105.481
S3 C1 H5 110.791 H4 C1 H5 107.875
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability