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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: MP2=FULL/6-31G

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/6-31G
 hartrees
Energy at 0K-437.801472
Energy at 298.15K-437.805302
HF Energy-437.646673
Nuclear repulsion energy54.542873
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/6-31G
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' 3225 3064 7.18 60.31 0.75 0.86
2 A' 3112 2957 21.55 100.53 0.01 0.02
3 A' 2526 2400 49.44 159.05 0.40 0.57
4 A' 1554 1476 8.49 19.50 0.75 0.86
5 A' 1439 1367 8.42 1.46 0.61 0.76
6 A' 1113 1058 24.84 23.42 0.72 0.84
7 A' 789 750 3.80 12.71 0.71 0.83
8 A' 670 636 2.50 23.82 0.30 0.46
9 A" 3220 3060 11.29 62.77 0.75 0.86
10 A" 1544 1467 8.07 22.78 0.75 0.86
11 A" 1016 965 6.41 11.62 0.75 0.86
12 A" 232 221 23.72 10.68 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10219.7 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 9709.7 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 MP2=FULL/6-31G
ABC
3.34398 0.39807 0.38199

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.050 1.209 0.000
S2 -0.050 -0.692 0.000
H3 1.317 -0.859 0.000
H4 -1.101 1.505 0.000
H5 0.440 1.590 0.899
H6 0.440 1.590 -0.899

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.90112.47891.09261.09241.0924
S21.90111.37712.43622.50162.5016
H32.47891.37713.38232.75282.7528
H41.09262.43623.38231.78611.7861
H51.09242.50162.75281.78611.7981
H61.09242.50162.75281.78611.7981

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.962 S2 C1 H4 105.746
S2 C1 H5 110.439 S2 C1 H6 110.439
H4 C1 H5 109.661 H4 C1 H6 109.661
H5 C1 H6 110.771
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability