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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: MP4/TZVP

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/TZVP
 hartrees
Energy at 0K-438.079936
Energy at 298.15K-438.083818
HF Energy-437.741211
Nuclear repulsion energy55.993404
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/TZVP
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' 3179 3061        
2 A' 3081 2966        
3 A' 2737 2635        
4 A' 1494 1439        
5 A' 1403 1351        
6 A' 1109 1068        
7 A' 805 775        
8 A' 720 693        
9 A" 3176 3058        
10 A" 1470 1416        
11 A" 991 954        
12 A" 251 241        

Unscaled Zero Point Vibrational Energy (zpe) 10207.7 cm-1
Scaled (by 0.9629) Zero Point Vibrational Energy (zpe) 9829.0 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/TZVP
ABC
3.43804 0.42417 0.40686

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.162 0.000
S2 -0.048 -0.672 0.000
H3 1.286 -0.817 0.000
H4 -1.094 1.469 0.000
H5 0.432 1.560 0.893
H6 0.432 1.560 -0.893

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.83422.38701.08951.08901.0890
S21.83421.34202.38242.45122.4512
H32.38701.34203.29972.67862.6786
H41.08952.38243.29971.77031.7703
H51.08902.45122.67861.77031.7855
H61.08902.45122.67861.77031.7855

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.209 S2 C1 H4 106.345
S2 C1 H5 111.410 S2 C1 H6 111.410
H4 C1 H5 108.704 H4 C1 H6 108.704
H5 C1 H6 110.126
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability