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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: CID/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 CID/6-311G*
 hartrees
Energy at 0K-835.636959
Energy at 298.15K 
HF Energy-835.256887
Nuclear repulsion energy141.961161
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/6-311G*
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 3175 2950 10.65      
2 A 2728 2535 2.40      
3 A 1521 1413 2.26      
4 A 1286 1195 2.43      
5 A 953 886 5.87      
6 A 680 632 2.91      
7 A 311 289 18.13      
8 A 254 236 8.78      
9 B 3231 3002 1.49      
10 B 2727 2534 7.11      
11 B 1359 1263 21.15      
12 B 1073 997 37.82      
13 B 824 766 23.44      
14 B 746 694 0.92      
15 B 265 246 42.01      

Unscaled Zero Point Vibrational Energy (zpe) 10566.6 cm-1
Scaled (by 0.9291) Zero Point Vibrational Energy (zpe) 9817.4 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 CID/6-311G*
ABC
0.90008 0.10558 0.09900

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.770
S2 0.000 1.542 -0.179
S3 0.000 -1.542 -0.179
H4 0.874 -0.050 1.413
H5 -0.874 0.050 1.413
H6 1.131 1.304 -0.857
H7 -1.131 -1.304 -0.857

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.81131.81131.08581.08582.37252.3725
S21.81133.08482.41582.35061.33993.1373
S31.81133.08482.35062.41583.13731.3399
H41.08582.41582.35061.74992.65623.2779
H51.08582.35062.41581.74993.27792.6562
H62.37251.33993.13732.65623.27793.4530
H72.37253.13731.33993.27792.65623.4530

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.539 C1 S3 H7 96.539
S2 C1 S3 116.760 S2 C1 H4 110.484
S2 C1 H5 105.720 S3 C1 H4 105.720
S3 C1 H5 110.484 H4 C1 H5 107.385
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability