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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: MP4=FULL/6-31G*

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/6-31G*
 hartrees
Energy at 0K-438.006210
Energy at 298.15K-438.010112
HF Energy-437.699662
Nuclear repulsion energy56.101545
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/6-31G*
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' 3181 3059        
2 A' 3085 2967        
3 A' 2720 2615        
4 A' 1535 1476        
5 A' 1430 1375        
6 A' 1137 1093        
7 A' 825 793        
8 A' 740 712        
9 A" 3179 3057        
10 A" 1522 1464        
11 A" 1017 978        
12 A" 257 247        

Unscaled Zero Point Vibrational Energy (zpe) 10314.3 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 9918.2 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/6-31G*
ABC
3.41712 0.42785 0.41016

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.155 0.000
S2 -0.048 -0.668 0.000
H3 1.290 -0.823 0.000
H4 -1.097 1.468 0.000
H5 0.434 1.558 0.896
H6 0.434 1.558 -0.896

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82342.38821.09431.09401.0940
S21.82341.34732.37982.44772.4477
H32.38821.34733.30852.68412.6841
H41.09432.37983.30851.77571.7757
H51.09402.44772.68411.77571.7911
H61.09402.44772.68411.77571.7911

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.585 S2 C1 H4 106.613
S2 C1 H5 111.616 S2 C1 H6 111.616
H4 C1 H5 108.474 H4 C1 H6 108.474
H5 C1 H6 109.898
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability