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All results from a given calculation for CH3SSH (Hydrogen methyl disulfide)

using model chemistry: MP2/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/CEP-31G*
 hartrees
Energy at 0K-28.053512
Energy at 298.15K 
HF Energy-27.686922
Nuclear repulsion energy38.160293
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 MP2/CEP-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 3219 3056 14.61 49.94 0.75 0.86
2 A 3205 3043 11.03 84.45 0.73 0.85
3 A 3094 2937 28.37 139.41 0.01 0.03
4 A 2720 2582 14.84 156.98 0.32 0.49
5 A 1501 1425 9.04 11.16 0.72 0.84
6 A 1479 1404 9.20 17.19 0.75 0.86
7 A 1398 1327 4.52 2.50 0.74 0.85
8 A 1008 957 11.93 9.38 0.62 0.77
9 A 1004 953 5.60 9.87 0.74 0.85
10 A 913 867 7.91 24.52 0.72 0.84
11 A 738 700 1.25 17.34 0.33 0.50
12 A 536 508 0.72 18.70 0.25 0.40
13 A 304 288 24.31 14.49 0.75 0.86
14 A 244 232 0.16 5.16 0.66 0.79
15 A 187 178 0.89 0.27 0.75 0.85

Unscaled Zero Point Vibrational Energy (zpe) 10774.2 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 10229.0 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 MP2/CEP-31G*
ABC
0.54167 0.14449 0.11955

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.646 0.701 -0.004
S2 -0.484 -0.718 0.014
S3 1.359 0.247 -0.088
H4 1.570 0.425 1.241
H5 -1.490 1.318 -0.903
H6 -2.660 0.263 -0.028
H7 -1.534 1.316 0.903

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.83333.03973.45941.10121.10461.1018
S21.83332.08292.65192.44802.38622.4554
S33.03972.08291.35703.15014.01873.2392
H43.45942.65191.35703.84114.41883.2471
H51.10122.44803.15013.84111.80181.8064
H61.10462.38624.01874.41881.80181.8009
H71.10182.45543.23923.24711.80641.8009

picture of Hydrogen methyl disulfide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 S3 101.637 S2 C1 H5 110.570
S2 C1 H6 105.948 S2 C1 H7 111.099
S2 S3 H4 98.676 H5 C1 H6 109.540
H5 C1 H7 110.164 H6 C1 H7 109.422
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability