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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: CID/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 CID/6-31G*
 hartrees
Energy at 0K-835.568871
Energy at 298.15K 
HF Energy-835.204689
Nuclear repulsion energy141.937816
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 CID/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 3199 2955 8.65      
2 A 2820 2605 5.07      
3 A 1544 1427 2.31      
4 A 1288 1190 1.24      
5 A 964 890 5.00      
6 A 686 633 3.65      
7 A 317 293 20.29      
8 A 255 236 5.76      
9 B 3258 3009 1.16      
10 B 2819 2604 12.42      
11 B 1367 1262 20.94      
12 B 1078 996 32.57      
13 B 830 767 18.32      
14 B 762 704 0.71      
15 B 265 245 43.00      

Unscaled Zero Point Vibrational Energy (zpe) 10725.6 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 9907.3 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 CID/6-31G*
ABC
0.89270 0.10586 0.09904

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.777
S2 0.000 1.541 -0.179
S3 0.000 -1.541 -0.179
H4 0.875 -0.050 1.420
H5 -0.875 0.050 1.420
H6 1.106 1.284 -0.886
H7 -1.106 -1.284 -0.886

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.81371.81371.08731.08732.37412.3741
S21.81373.08272.42012.35481.33783.1153
S31.81373.08272.35482.42013.11531.3378
H41.08732.42012.35481.75372.67383.2809
H51.08732.35482.42011.75373.28092.6738
H62.37411.33783.11532.67383.28093.3895
H72.37413.11531.33783.28092.67383.3895

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.593 C1 S3 H7 96.593
S2 C1 S3 116.387 S2 C1 H4 110.556
S2 C1 H5 105.795 S3 C1 H4 105.795
S3 C1 H5 110.556 H4 C1 H5 107.497
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability