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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: CID/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-835.783972
Energy at 298.15K 
HF Energy-835.290449
Nuclear repulsion energy142.881202
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/Def2TZVPP
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 3190 3190 7.22      
2 A 2827 2827 0.05      
3 A 1516 1516 1.19      
4 A 1261 1261 0.46      
5 A 951 951 3.84      
6 A 677 677 3.06      
7 A 305 305 10.21      
8 A 230 230 5.03      
9 B 3247 3247 1.19      
10 B 2826 2826 0.18      
11 B 1325 1325 20.50      
12 B 1056 1056 19.80      
13 B 826 826 15.64      
14 B 743 743 0.32      
15 B 248 248 34.75      

Unscaled Zero Point Vibrational Energy (zpe) 10614.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10614.2 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/Def2TZVPP
ABC
0.90217 0.10737 0.10036

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/Def2TZVPP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.775
S2 0.000 1.531 -0.177
S3 0.000 -1.531 -0.177
H4 0.872 -0.052 1.411
H5 -0.872 0.052 1.411
H6 1.085 1.269 -0.896
H7 -1.085 -1.269 -0.896

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.80281.80281.08021.08022.36142.3614
S21.80283.06162.40562.33851.32733.0870
S31.80283.06162.33852.40563.08701.3273
H41.08022.40562.33851.74642.66603.2599
H51.08022.33852.40561.74643.25992.6660
H62.36141.32733.08702.66603.25993.3386
H72.36143.08701.32733.25992.66603.3386

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.777 C1 S3 H7 96.777
S2 C1 S3 116.239 S2 C1 H4 110.594
S2 C1 H5 105.669 S3 C1 H4 105.669
S3 C1 H5 110.594 H4 C1 H5 107.874
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability