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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G**
 hartrees
Energy at 0K-438.512578
Energy at 298.15K-438.516455
HF Energy-438.512578
Nuclear repulsion energy56.258624
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 HSEh1PBE/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' 3191 3045 5.45 64.59 0.75 0.86
2 A' 3088 2946 23.01 117.81 0.00 0.01
3 A' 2726 2602 12.85 134.55 0.37 0.54
4 A' 1497 1429 9.77 17.32 0.75 0.86
5 A' 1380 1317 6.10 4.96 0.47 0.64
6 A' 1113 1062 22.19 16.65 0.71 0.83
7 A' 811 774 0.88 10.22 0.52 0.68
8 A' 731 698 2.39 10.53 0.28 0.44
9 A" 3187 3042 8.01 71.12 0.75 0.86
10 A" 1487 1419 6.57 19.32 0.75 0.86
11 A" 988 943 7.27 7.27 0.75 0.86
12 A" 250 239 20.06 4.57 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10224.4 cm-1
Scaled (by 0.9543) Zero Point Vibrational Energy (zpe) 9757.1 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 HSEh1PBE/6-31G**
ABC
3.43294 0.43040 0.41268

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.152 0.000
S2 -0.048 -0.666 0.000
H3 1.287 -0.830 0.000
H4 -1.096 1.458 0.000
H5 0.430 1.554 0.895
H6 0.430 1.554 -0.895

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.81792.39021.09151.09111.0911
S21.81791.34502.36782.44072.4407
H32.39021.34503.30352.68762.6876
H41.09152.36783.30351.77111.7711
H51.09112.44072.68761.77111.7899
H61.09112.44072.68761.77111.7899

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 97.041 S2 C1 H4 106.253
S2 C1 H5 111.622 S2 C1 H6 111.622
H4 C1 H5 108.480 H4 C1 H6 108.480
H5 C1 H6 110.211
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.546      
2 S -0.049      
3 H 0.077      
4 H 0.176      
5 H 0.171      
6 H 0.171      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.923 1.499 0.000 1.760
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.983 -1.453 0.000
y -1.453 -20.103 0.000
z 0.000 0.000 -22.403
Traceless
 xyz
x 2.270 -1.453 0.000
y -1.453 0.590 0.000
z 0.000 0.000 -2.860
Polar
3z2-r2-5.720
x2-y21.119
xy-1.453
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.866 -0.239 0.000
y -0.239 4.788 0.000
z 0.000 0.000 3.142


<r2> (average value of r2) Å2
<r2> 40.381
(<r2>)1/2 6.355