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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: MP4/cc-pV(T+d)Z

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/cc-pV(T+d)Z
 hartrees
Energy at 0K-438.171089
Energy at 298.15K-438.174951
HF Energy-437.758592
Nuclear repulsion energy56.289219
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/cc-pV(T+d)Z
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' 3154 3154        
2 A' 3061 3061        
3 A' 2725 2725        
4 A' 1496 1496        
5 A' 1361 1361        
6 A' 1099 1099        
7 A' 800 800        
8 A' 721 721        
9 A" 3156 3156        
10 A" 1483 1483        
11 A" 976 976        
12 A" 239 239        

Unscaled Zero Point Vibrational Energy (zpe) 10135.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10135.1 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/cc-pV(T+d)Z
ABC
3.44915 0.42986 0.41230

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/cc-pV(T+d)Z

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.154 0.000
S2 -0.048 -0.667 0.000
H3 1.281 -0.820 0.000
H4 -1.094 1.458 0.000
H5 0.431 1.550 0.893
H6 0.431 1.550 -0.893

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82092.37981.08921.08811.0881
S21.82091.33722.36782.43762.4376
H32.37981.33723.29032.67192.6719
H41.08922.36783.29031.76971.7697
H51.08812.43762.67191.76971.7866
H61.08812.43762.67191.76971.7866

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.598 S2 C1 H4 106.161
S2 C1 H5 111.340 S2 C1 H6 111.340
H4 C1 H5 108.741 H4 C1 H6 108.741
H5 C1 H6 110.365
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability