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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: mPW1PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-311G*
 hartrees
Energy at 0K-438.721171
Energy at 298.15K-438.725059
HF Energy-438.721171
Nuclear repulsion energy56.293709
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 mPW1PW91/6-311G*
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' 3174 3029 8.72 67.68 0.75 0.86
2 A' 3080 2940 31.92 121.90 0.00 0.01
3 A' 2666 2544 13.22 149.21 0.38 0.55
4 A' 1508 1439 10.61 13.37 0.75 0.86
5 A' 1394 1330 7.02 2.43 0.68 0.81
6 A' 1120 1069 24.92 11.70 0.72 0.84
7 A' 812 775 1.15 8.05 0.45 0.62
8 A' 725 692 2.61 12.65 0.27 0.43
9 A" 3171 3026 11.72 72.89 0.75 0.86
10 A" 1499 1431 6.77 12.58 0.75 0.86
11 A" 997 952 13.71 4.47 0.75 0.86
12 A" 254 242 19.95 7.69 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10199.4 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 9734.3 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 mPW1PW91/6-311G*
ABC
3.43831 0.43097 0.41313

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.152 0.000
S2 -0.048 -0.665 0.000
H3 1.291 -0.827 0.000
H4 -1.093 1.456 0.000
H5 0.427 1.554 0.893
H6 0.427 1.554 -0.893

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.81692.38881.08891.08841.0884
S21.81691.34822.36512.43862.4386
H32.38881.34823.30092.68512.6851
H41.08892.36513.30091.76601.7660
H51.08842.43862.68511.76601.7857
H61.08842.43862.68511.76601.7857

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.887 S2 C1 H4 106.247
S2 C1 H5 111.677 S2 C1 H6 111.677
H4 C1 H5 108.408 H4 C1 H6 108.408
H5 C1 H6 110.240
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.813      
2 S -0.119      
3 H 0.159      
4 H 0.259      
5 H 0.257      
6 H 0.257      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.958 1.501 0.000 1.781
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.215 -1.499 0.000
y -1.499 -20.520 0.000
z 0.000 0.000 -22.925
Traceless
 xyz
x 2.507 -1.499 0.000
y -1.499 0.550 0.000
z 0.000 0.000 -3.057
Polar
3z2-r2-6.115
x2-y21.305
xy-1.499
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.000 -0.199 0.000
y -0.199 5.092 0.000
z 0.000 0.000 3.005


<r2> (average value of r2) Å2
<r2> 40.588
(<r2>)1/2 6.371