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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: MP4=FULL/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 MP4=FULL/cc-pVTZ
 hartrees
Energy at 0K-438.220385
Energy at 298.15K-438.224266
HF Energy-437.756589
Nuclear repulsion energy56.371040
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 MP4=FULL/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' 3158 3040        
2 A' 3083 2969        
3 A' 2725 2624        
4 A' 1509 1453        
5 A' 1370 1319        
6 A' 1103 1062        
7 A' 804 774        
8 A' 726 699        
9 A" 3161 3044        
10 A" 1496 1440        
11 A" 980 943        
12 A" 250 240        

Unscaled Zero Point Vibrational Energy (zpe) 10180.8 cm-1
Scaled (by 0.9629) Zero Point Vibrational Energy (zpe) 9803.1 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 MP4=FULL/cc-pVTZ
ABC
3.46379 0.43088 0.41324

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/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 -0.819 0.000
H4 -1.091 1.455 0.000
H5 0.430 1.547 0.890
H6 0.430 1.547 -0.890

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.81952.37801.08541.08421.0842
S21.81951.33692.36292.43252.4325
H32.37801.33693.28482.66732.6673
H41.08542.36293.28481.76411.7641
H51.08422.43252.66731.76411.7809
H61.08422.43252.66731.76411.7809

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.576 S2 C1 H4 106.094
S2 C1 H5 111.273 S2 C1 H6 111.273
H4 C1 H5 108.806 H4 C1 H6 108.806
H5 C1 H6 110.439
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability