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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: MP3/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/cc-pVTZ
 hartrees
Energy at 0K-438.152100
Energy at 298.15K-438.155974
HF Energy-437.756610
Nuclear repulsion energy56.349649
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 MP3/cc-pVTZ
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' 3198 3021 6.07      
2 A' 3106 2934 20.38      
3 A' 2753 2601 3.15      
4 A' 1512 1429 6.46      
5 A' 1378 1302 6.01      
6 A' 1112 1050 10.72      
7 A' 810 765 0.51      
8 A' 734 693 1.55      
9 A" 3201 3024 6.93      
10 A" 1499 1416 4.15      
11 A" 988 934 3.97      
12 A" 238 225 12.90      

Unscaled Zero Point Vibrational Energy (zpe) 10264.2 cm-1
Scaled (by 0.9447) Zero Point Vibrational Energy (zpe) 9696.6 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 MP3/cc-pVTZ
ABC
3.46368 0.43046 0.41286

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.154 0.000
S2 -0.048 -0.666 0.000
H3 1.280 -0.824 0.000
H4 -1.090 1.458 0.000
H5 0.431 1.546 0.891
H6 0.431 1.546 -0.891

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82022.38271.08571.08441.0844
S21.82021.33692.36572.43242.4324
H32.38271.33693.29002.67102.6710
H41.08572.36573.29001.76481.7648
H51.08442.43242.67101.76481.7812
H61.08442.43242.67101.76481.7812

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.806 S2 C1 H4 106.229
S2 C1 H5 111.194 S2 C1 H6 111.194
H4 C1 H5 108.827 H4 C1 H6 108.827
H5 C1 H6 110.430
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability