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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: B2PLYP=FULLultrafine/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 B2PLYP=FULLultrafine/6-31G**
 hartrees
Energy at 0K-836.523996
Energy at 298.15K 
HF Energy-836.383128
Nuclear repulsion energy141.147462
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 B2PLYP=FULLultrafine/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 238 238 5.64 10.46 0.60 0.75
2 A 306 306 18.84 7.47 0.64 0.78
3 A 647 647 3.64 15.14 0.19 0.32
4 A 926 926 4.41 10.19 0.52 0.69
5 A 1239 1239 1.39 21.27 0.67 0.81
6 A 1490 1490 1.46 17.01 0.74 0.85
7 A 2751 2751 2.84 117.98 0.16 0.27
8 A 3134 3134 8.97 90.93 0.11 0.20
9 B 260 260 43.38 1.03 0.75 0.86
10 B 730 730 1.68 1.41 0.75 0.86
11 B 769 769 28.53 10.54 0.75 0.86
12 B 1034 1034 29.63 7.27 0.75 0.86
13 B 1303 1303 27.85 3.05 0.75 0.86
14 B 2751 2751 8.03 91.78 0.75 0.86
15 B 3197 3197 1.33 65.30 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10387.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10387.4 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 B2PLYP=FULLultrafine/6-31G**
ABC
0.89234 0.10420 0.09763

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/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 1.554 -0.179
S3 0.000 -1.554 -0.179
H4 0.878 -0.055 1.418
H5 -0.878 0.055 1.418
H6 1.113 1.296 -0.879
H7 -1.113 -1.296 -0.879

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.82421.82421.08841.08842.37952.3795
S21.82423.10722.43112.35951.34003.1388
S31.82423.10722.35952.43113.13881.3400
H41.08842.43112.35951.75862.67583.2836
H51.08842.35952.43111.75863.28362.6758
H62.37951.34003.13882.67583.28363.4178
H72.37953.13881.34003.28362.67583.4178

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.326 C1 S3 H7 96.326
S2 C1 S3 116.790 S2 C1 H4 110.615
S2 C1 H5 105.406 S3 C1 H4 105.406
S3 C1 H5 110.615 H4 C1 H5 107.773
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability