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

using model chemistry: MP2/CEP-121G*

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-121G*
 hartrees
Energy at 0K-28.084070
Energy at 298.15K 
HF Energy-27.692400
Nuclear repulsion energy38.307233
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-121G*
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 3200 3049 9.14 56.47 0.75 0.86
2 A 3187 3036 8.16 86.72 0.74 0.85
3 A 3074 2929 24.47 142.66 0.02 0.03
4 A 2667 2541 8.97 158.88 0.30 0.46
5 A 1513 1442 10.50 11.07 0.74 0.85
6 A 1492 1422 10.58 13.95 0.75 0.86
7 A 1407 1341 2.99 2.43 0.51 0.67
8 A 1009 961 4.46 5.19 0.68 0.81
9 A 1006 959 7.26 5.64 0.64 0.78
10 A 909 866 6.06 23.41 0.62 0.77
11 A 736 701 1.19 15.30 0.32 0.48
12 A 534 509 0.72 16.36 0.24 0.39
13 A 306 291 22.06 5.91 0.75 0.86
14 A 245 233 0.15 4.03 0.60 0.75
15 A 183 174 0.82 0.06 0.74 0.85

Unscaled Zero Point Vibrational Energy (zpe) 10733.1 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 10226.5 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-121G*
ABC
0.54209 0.14558 0.12025

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.637 0.703 -0.004
S2 -0.486 -0.718 0.014
S3 1.354 0.246 -0.088
H4 1.566 0.430 1.239
H5 -1.471 1.317 -0.892
H6 -2.646 0.281 -0.034
H7 -1.522 1.309 0.898

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.82863.02733.44621.09171.09471.0924
S21.82862.07992.65092.43532.38032.4416
S33.02732.07991.35593.12734.00143.2214
H43.44622.65091.35593.81444.40263.2286
H51.09172.43533.12733.81441.78631.7903
H61.09472.38034.00144.40261.78631.7854
H71.09242.44163.22143.22861.79031.7854

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 101.337 S2 C1 H5 110.453
S2 C1 H6 106.303 S2 C1 H7 110.886
S2 S3 H4 98.804 H5 C1 H6 109.567
H5 C1 H7 110.111 H6 C1 H7 109.441
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability