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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: B2PLYP=FULLultrafine/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-836.528931
Energy at 298.15K 
HF Energy-836.386031
Nuclear repulsion energy141.138192
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/6-31+G**
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 240 240 3.81 6.25 0.46 0.63
2 A 310 310 17.10 0.55 0.20 0.33
3 A 646 646 3.37 16.24 0.18 0.30
4 A 924 924 5.90 7.76 0.17 0.29
5 A 1232 1232 1.14 17.40 0.62 0.77
6 A 1474 1474 1.61 12.76 0.69 0.82
7 A 2748 2748 1.63 135.94 0.12 0.22
8 A 3127 3127 8.21 94.87 0.10 0.18
9 B 265 265 46.64 0.17 0.75 0.86
10 B 734 734 1.98 0.85 0.75 0.86
11 B 766 766 30.04 10.36 0.75 0.86
12 B 1034 1034 32.15 3.56 0.75 0.86
13 B 1302 1302 30.11 1.80 0.75 0.86
14 B 2747 2747 5.05 77.05 0.75 0.86
15 B 3190 3190 0.99 65.51 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10368.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10368.7 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/6-31+G**
ABC
0.89164 0.10420 0.09764

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.777
S2 0.000 1.553 -0.180
S3 0.000 -1.553 -0.180
H4 0.878 -0.057 1.419
H5 -0.878 0.057 1.419
H6 1.118 1.300 -0.874
H7 -1.118 -1.300 -0.874

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.82411.82411.08891.08892.38012.3801
S21.82413.10672.43302.35871.34043.1423
S31.82413.10672.35872.43303.14231.3404
H41.08892.43302.35871.75892.67523.2839
H51.08892.35872.43301.75893.28392.6752
H62.38011.34043.14232.67523.28393.4296
H72.38013.14231.34043.28392.67523.4296

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.350 C1 S3 H7 96.350
S2 C1 S3 116.762 S2 C1 H4 110.729
S2 C1 H5 105.329 S3 C1 H4 105.329
S3 C1 H5 110.729 H4 C1 H5 107.731
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability