return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: MP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/6-31G
 hartrees
Energy at 0K-835.324832
Energy at 298.15K 
HF Energy-835.119157
Nuclear repulsion energy139.521706
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 MP2/6-31G
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 3223 3084 7.04 50.13 0.75 0.86
2 A 3205 3067 4.02 82.09 0.74 0.85
3 A 3097 2963 13.56 115.93 0.03 0.05
4 A 2495 2387 37.56 169.00 0.37 0.54
5 A 1545 1479 11.40 16.51 0.68 0.81
6 A 1525 1459 11.17 24.53 0.75 0.86
7 A 1429 1367 5.33 3.02 0.41 0.58
8 A 1020 976 4.64 10.18 0.74 0.85
9 A 1018 974 9.36 7.51 0.69 0.82
10 A 801 766 4.24 29.39 0.72 0.84
11 A 660 632 0.82 19.22 0.38 0.55
12 A 418 400 0.38 23.10 0.26 0.42
13 A 244 234 28.68 22.87 0.74 0.85
14 A 208 199 0.76 6.63 0.65 0.79
15 A 153 147 0.90 0.18 0.73 0.85

Unscaled Zero Point Vibrational Energy (zpe) 10520.8 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 10066.3 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 MP2/6-31G
ABC
0.48974 0.12715 0.10530

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.698 0.780 -0.001
S2 -0.575 -0.752 0.010
S3 1.468 0.241 -0.088
H4 1.671 0.366 1.273
H5 -1.487 1.387 -0.885
H6 -2.722 0.390 -0.046
H7 -1.557 1.362 0.913

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.89963.21323.62601.09251.09581.0928
S21.89962.27422.80952.49162.43202.4995
S33.21322.27421.38133.26864.19263.3776
H43.62602.80951.38133.95904.58653.3972
H51.09252.49163.26863.95901.79451.7992
H61.09582.43204.19264.58651.79451.7942
H71.09282.49953.37763.39721.79921.7942

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 100.294 S2 C1 H5 109.804
S2 C1 H6 105.399 S2 C1 H7 110.364
S2 S3 H4 97.438 H5 C1 H6 110.178
H5 C1 H7 110.835 H6 C1 H7 110.127
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability