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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: B2PLYP=FULL/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=FULL/6-31G*
 hartrees
Energy at 0K-836.505666
Energy at 298.15K 
HF Energy-836.373348
Nuclear repulsion energy141.063556
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=FULL/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 242 229 5.30 10.57 0.59 0.74
2 A 308 292 20.32 7.85 0.65 0.79
3 A 648 615 3.74 15.25 0.19 0.32
4 A 928 880 4.67 10.68 0.53 0.69
5 A 1247 1182 1.58 22.45 0.68 0.81
6 A 1505 1427 1.80 17.44 0.75 0.85
7 A 2737 2596 4.96 116.81 0.17 0.29
8 A 3133 2972 8.91 89.68 0.12 0.21
9 B 263 249 45.49 1.08 0.75 0.86
10 B 735 697 2.04 1.42 0.75 0.86
11 B 769 729 28.76 10.73 0.75 0.86
12 B 1040 986 29.89 7.58 0.75 0.86
13 B 1315 1247 27.71 3.48 0.75 0.86
14 B 2737 2595 13.05 98.26 0.75 0.86
15 B 3193 3028 1.36 66.81 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10398.8 cm-1
Scaled (by 0.9484) Zero Point Vibrational Energy (zpe) 9862.2 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 B2PLYP=FULL/6-31G*
ABC
0.88871 0.10423 0.09762

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.778
S2 0.000 1.553 -0.179
S3 0.000 -1.553 -0.179
H4 0.879 -0.055 1.421
H5 -0.879 0.055 1.421
H6 1.114 1.295 -0.885
H7 -1.114 -1.295 -0.885

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.82481.82481.09021.09022.38442.3844
S21.82483.10682.43342.36171.34433.1388
S31.82483.10682.36172.43343.13881.3443
H41.09022.43342.36171.76112.68273.2905
H51.09022.36172.43341.76113.29052.6827
H62.38441.34433.13882.68273.29053.4166
H72.38443.13881.34433.29052.68273.4166

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.417 C1 S3 H7 96.417
S2 C1 S3 116.697 S2 C1 H4 110.647
S2 C1 H5 105.437 S3 C1 H4 105.437
S3 C1 H5 110.647 H4 C1 H5 107.744
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability