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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: B3PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-438.596174
Energy at 298.15K-438.599999
HF Energy-438.596174
Nuclear repulsion energy54.889987
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 B3PW91/6-31G
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' 3218 3081 5.75      
2 A' 3099 2968 21.75      
3 A' 2535 2427 52.57      
4 A' 1524 1459 12.78      
5 A' 1404 1345 4.31      
6 A' 1101 1054 26.54      
7 A' 792 759 2.82      
8 A' 676 648 3.76      
9 A" 3210 3074 10.33      
10 A" 1519 1455 12.07      
11 A" 1001 959 9.41      
12 A" 231 221 26.93      

Unscaled Zero Point Vibrational Energy (zpe) 10154.5 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 9724.9 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 B3PW91/6-31G
ABC
3.35498 0.40485 0.38829

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.050 1.197 0.000
S2 -0.050 -0.686 0.000
H3 1.317 -0.853 0.000
H4 -1.099 1.492 0.000
H5 0.436 1.580 0.898
H6 0.436 1.580 -0.898

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.88362.46431.09021.09021.0902
S21.88361.37702.41802.48592.4859
H32.46431.37703.36742.73942.7394
H41.09022.41803.36741.78071.7807
H51.09022.48592.73941.78071.7955
H61.09022.48592.73941.78071.7955

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.959 S2 C1 H4 105.685
S2 C1 H5 110.569 S2 C1 H6 110.569
H4 C1 H5 109.506 H4 C1 H6 109.506
H5 C1 H6 110.870
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.699      
2 S 0.010      
3 H 0.063      
4 H 0.215      
5 H 0.206      
6 H 0.206      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.151 1.729 0.000 2.077
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.260 -1.670 0.000
y -1.670 -20.403 0.000
z 0.000 0.000 -22.546
Traceless
 xyz
x 2.214 -1.670 0.000
y -1.670 0.500 0.000
z 0.000 0.000 -2.714
Polar
3z2-r2-5.428
x2-y21.143
xy-1.670
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.915 -0.292 0.000
y -0.292 4.880 0.000
z 0.000 0.000 2.776


<r2> (average value of r2) Å2
<r2> 42.028
(<r2>)1/2 6.483