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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: B2PLYP=FULL/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-836.575005
Energy at 298.15K 
HF Energy-836.395481
Nuclear repulsion energy141.666129
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(2df,p)
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 226 226 4.34 6.25 0.53 0.69
2 A 301 301 12.98 3.52 0.55 0.71
3 A 644 644 3.46 14.52 0.16 0.27
4 A 914 914 3.96 7.00 0.33 0.50
5 A 1214 1214 0.63 12.05 0.68 0.81
6 A 1470 1470 0.70 13.68 0.75 0.86
7 A 2731 2731 0.16 102.09 0.12 0.22
8 A 3116 3116 5.70 82.17 0.10 0.17
9 B 252 252 38.16 0.21 0.75 0.86
10 B 719 719 1.30 0.94 0.75 0.86
11 B 770 770 26.41 7.27 0.75 0.86
12 B 1016 1016 19.17 4.77 0.75 0.86
13 B 1270 1270 28.73 1.25 0.75 0.86
14 B 2731 2731 0.27 71.35 0.75 0.86
15 B 3177 3177 0.78 57.68 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10274.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10274.7 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=FULL/6-31G(2df,p)
ABC
0.89109 0.10539 0.09860

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G(2df,p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.778
S2 0.000 1.545 -0.179
S3 0.000 -1.545 -0.179
H4 0.879 -0.055 1.418
H5 -0.879 0.055 1.418
H6 1.101 1.276 -0.895
H7 -1.101 -1.276 -0.895

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.81761.81761.08871.08872.37492.3749
S21.81763.09032.42582.35421.34043.1120
S31.81763.09032.35422.42583.11201.3404
H41.08872.42582.35421.76192.67823.2803
H51.08872.35422.42581.76193.28032.6782
H62.37491.34043.11202.67823.28033.3706
H72.37493.11201.34043.28032.67823.3706

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.363 C1 S3 H7 96.363
S2 C1 S3 116.451 S2 C1 H4 110.650
S2 C1 H5 105.436 S3 C1 H4 105.436
S3 C1 H5 110.650 H4 C1 H5 108.028
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability