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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: B3PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-311G**
 hartrees
Energy at 0K-438.675484
Energy at 298.15K-438.679351
HF Energy-438.675484
Nuclear repulsion energy56.174088
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 B3PW91/6-311G**
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' 3154 3038 6.81 66.84 0.75 0.86
2 A' 3061 2948 27.60 130.89 0.00 0.00
3 A' 2691 2591 6.24 146.20 0.36 0.53
4 A' 1480 1425 9.29 12.28 0.75 0.86
5 A' 1367 1316 7.92 2.17 0.64 0.78
6 A' 1100 1059 21.81 10.58 0.72 0.84
7 A' 805 775 0.91 7.77 0.45 0.62
8 A' 714 688 2.42 12.67 0.27 0.42
9 A" 3152 3036 9.37 71.87 0.75 0.86
10 A" 1470 1416 6.09 11.72 0.75 0.86
11 A" 982 945 12.25 3.90 0.75 0.86
12 A" 246 237 17.94 7.55 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10109.4 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 9736.3 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 B3PW91/6-311G**
ABC
3.42899 0.42868 0.41105

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.156 0.000
S2 -0.048 -0.667 0.000
H3 1.290 -0.830 0.000
H4 -1.096 1.458 0.000
H5 0.429 1.555 0.895
H6 0.429 1.555 -0.895

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82262.39401.09051.09001.0900
S21.82261.34742.36942.44252.4425
H32.39401.34743.30532.68892.6889
H41.09052.36943.30531.77051.7705
H51.09002.44252.68891.77051.7900
H61.09002.44252.68891.77051.7900

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.949 S2 C1 H4 106.108
S2 C1 H5 111.500 S2 C1 H6 111.500
H4 C1 H5 108.578 H4 C1 H6 108.578
H5 C1 H6 110.402
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.504      
2 S -0.065      
3 H 0.084      
4 H 0.161      
5 H 0.162      
6 H 0.162      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.911 1.473 0.000 1.732
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.231 -1.446 0.000
y -1.446 -20.461 0.000
z 0.000 0.000 -22.833
Traceless
 xyz
x 2.416 -1.446 0.000
y -1.446 0.571 0.000
z 0.000 0.000 -2.987
Polar
3z2-r2-5.975
x2-y21.230
xy-1.446
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.101 -0.206 0.000
y -0.206 5.238 0.000
z 0.000 0.000 3.123


<r2> (average value of r2) Å2
<r2> 40.683
(<r2>)1/2 6.378