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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: B2PLYP=FULLultrafine/daug-cc-pVDZ

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/daug-cc-pVDZ
 hartrees
Energy at 0K-836.583884
Energy at 298.15K 
HF Energy-836.428774
Nuclear repulsion energy140.567752
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/daug-cc-pVDZ
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 219 219 4.04 5.17 0.37 0.54
2 A 291 291 8.06 1.25 0.18 0.30
3 A 632 632 2.96 17.02 0.13 0.24
4 A 895 895 3.76 9.74 0.08 0.16
5 A 1197 1197 0.52 3.59 0.72 0.84
6 A 1433 1433 0.76 9.68 0.61 0.76
7 A 2701 2701 0.03 155.95 0.06 0.12
8 A 3100 3100 7.16 109.18 0.06 0.12
9 B 240 240 33.99 0.17 0.75 0.86
10 B 706 706 1.49 0.49 0.75 0.86
11 B 751 751 29.93 6.19 0.75 0.86
12 B 997 997 15.10 1.17 0.75 0.86
13 B 1244 1244 27.87 0.07 0.75 0.86
14 B 2700 2700 0.41 52.99 0.75 0.86
15 B 3164 3164 1.62 58.32 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10134.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10134.9 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/daug-cc-pVDZ
ABC
0.87628 0.10377 0.09714

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/daug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.785
S2 0.000 1.557 -0.181
S3 0.000 -1.557 -0.181
H4 0.886 -0.054 1.426
H5 -0.886 0.054 1.426
H6 1.123 1.294 -0.887
H7 -1.123 -1.294 -0.887

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.83211.83211.09531.09532.39382.3938
S21.83213.11332.44202.37201.35253.1439
S31.83213.11332.37202.44203.14391.3525
H41.09532.44202.37201.77632.68733.3054
H51.09532.37202.44201.77633.30542.6873
H62.39381.35253.14392.68733.30543.4268
H72.39383.14391.35253.30542.68733.4268

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.312 C1 S3 H7 96.312
S2 C1 S3 116.349 S2 C1 H4 110.523
S2 C1 H5 105.465 S3 C1 H4 105.465
S3 C1 H5 110.523 H4 C1 H5 108.359
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability