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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: MP2=FULL/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/6-311G**
 hartrees
Energy at 0K-438.174404
Energy at 298.15K-438.178324
HF Energy-437.739937
Nuclear repulsion energy56.468770
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=FULL/6-311G**
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' 3207 3042 7.11 63.19 0.75 0.86
2 A' 3108 2948 25.39 120.77 0.00 0.00
3 A' 2810 2665 6.14 139.59 0.36 0.53
4 A' 1503 1426 7.57 12.76 0.75 0.86
5 A' 1414 1341 9.27 2.02 0.71 0.83
6 A' 1128 1070 22.50 9.84 0.72 0.84
7 A' 832 789 1.10 7.07 0.42 0.59
8 A' 755 716 1.39 13.17 0.26 0.42
9 A" 3207 3042 9.04 67.90 0.75 0.86
10 A" 1485 1408 3.90 12.24 0.75 0.86
11 A" 1013 961 10.70 3.43 0.75 0.86
12 A" 257 244 16.47 6.99 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10358.8 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 9826.3 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=FULL/6-311G**
ABC
3.45917 0.43347 0.41570

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.147 0.000
S2 -0.048 -0.664 0.000
H3 1.279 -0.810 0.000
H4 -1.093 1.458 0.000
H5 0.430 1.550 0.892
H6 0.430 1.550 -0.892

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.81102.36371.09041.08951.0895
S21.81101.33402.36572.43502.4350
H32.36371.33403.28112.66252.6625
H41.09042.36573.28111.76691.7669
H51.08952.43502.66251.76691.7848
H61.08952.43502.66251.76691.7848

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.272 S2 C1 H4 106.587
S2 C1 H5 111.749 S2 C1 H6 111.749
H4 C1 H5 108.298 H4 C1 H6 108.298
H5 C1 H6 109.985
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability