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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: MP3/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 MP3/TZVP
 hartrees
Energy at 0K-438.067313
Energy at 298.15K-438.071214
HF Energy-437.741393
Nuclear repulsion energy56.173703
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/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3221 3013 9.83      
2 A' 3125 2923 25.18      
3 A' 2767 2588 10.61      
4 A' 1509 1412 6.69      
5 A' 1419 1327 9.87      
6 A' 1124 1051 14.67      
7 A' 817 764 1.77      
8 A' 737 689 1.56      
9 A" 3220 3011 12.07      
10 A" 1485 1389 3.61      
11 A" 1003 938 4.39      
12 A" 252 236 16.78      

Unscaled Zero Point Vibrational Energy (zpe) 10339.9 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 9669.9 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/TZVP
ABC
3.45818 0.42705 0.40960

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.159 0.000
S2 -0.048 -0.669 0.000
H3 1.283 -0.818 0.000
H4 -1.090 1.466 0.000
H5 0.432 1.554 0.890
H6 0.432 1.554 -0.890

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82782.38311.08611.08541.0854
S21.82781.33912.37592.44192.4419
H32.38311.33913.29362.67242.6724
H41.08612.37593.29361.76471.7647
H51.08542.44192.67241.76471.7799
H61.08542.44192.67241.76471.7799

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.392 S2 C1 H4 106.452
S2 C1 H5 111.335 S2 C1 H6 111.335
H4 C1 H5 108.716 H4 C1 H6 108.716
H5 C1 H6 110.153
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability