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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: TPSSh/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-438.713921
Energy at 298.15K-438.717790
HF Energy-438.713921
Nuclear repulsion energy56.139910
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 TPSSh/6-31G(2df,p)
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' 3152 3042 7.53 62.16 0.75 0.86
2 A' 3058 2951 23.58 112.61 0.00 0.00
3 A' 2703 2609 5.89 118.38 0.34 0.51
4 A' 1499 1447 6.31 12.86 0.75 0.86
5 A' 1359 1311 11.78 2.18 0.48 0.65
6 A' 1100 1062 13.80 10.33 0.73 0.84
7 A' 794 766 0.41 7.27 0.42 0.59
8 A' 706 681 2.80 11.35 0.23 0.37
9 A" 3152 3041 9.34 68.94 0.75 0.86
10 A" 1488 1436 3.17 13.78 0.75 0.86
11 A" 970 936 4.35 3.99 0.75 0.86
12 A" 257 248 14.35 1.88 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10118.9 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 9764.8 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 TPSSh/6-31G(2df,p)
ABC
3.42276 0.42789 0.41037

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.158 0.000
S2 -0.048 -0.667 0.000
H3 1.286 -0.829 0.000
H4 -1.098 1.457 0.000
H5 0.433 1.552 0.897
H6 0.433 1.552 -0.897

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82572.39351.09161.09081.0908
S21.82571.34342.36942.44112.4411
H32.39351.34343.30262.68342.6834
H41.09162.36943.30261.77641.7764
H51.09082.44112.68341.77641.7938
H61.09082.44112.68341.77641.7938

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.916 S2 C1 H4 105.860
S2 C1 H5 111.134 S2 C1 H6 111.134
H4 C1 H5 108.971 H4 C1 H6 108.971
H5 C1 H6 110.619
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.435      
2 S -0.242      
3 H 0.165      
4 H 0.175      
5 H 0.169      
6 H 0.169      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.792 1.488 0.000 1.685
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.105 -0.202 0.000
y -0.202 5.187 0.000
z 0.000 0.000 3.675


<r2> (average value of r2) Å2
<r2> 40.407
(<r2>)1/2 6.357