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All results from a given calculation for CH3SCH3 (Dimethyl sulfide)

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 C2V 1A1
Energy calculated at mPW1PW91/6-311G*
 hartrees
Energy at 0K-478.034939
Energy at 298.15K 
HF Energy-478.034939
Nuclear repulsion energy110.860229
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
4/u)
Dep P Dep U
1 A1 3162 3018 13.96 105.02 0.68 0.81
2 A1 3057 2918 42.34 268.97 0.00 0.00
3 A1 1508 1440 0.38 20.90 0.74 0.85
4 A1 1401 1337 1.92 1.90 0.51 0.67
5 A1 1075 1026 24.73 3.97 0.50 0.67
6 A1 711 678 4.02 14.90 0.17 0.29
7 A1 265 253 0.05 2.88 0.62 0.77
8 A2 3143 3000 0.00 17.50 0.75 0.86
9 A2 1485 1417 0.00 28.85 0.75 0.86
10 A2 972 928 0.00 6.49 0.75 0.86
11 A2 187 179 0.00 0.18 0.75 0.86
12 B1 3136 2993 39.40 133.24 0.75 0.86
13 B1 1495 1427 21.70 0.02 0.75 0.86
14 B1 1015 969 18.33 2.93 0.75 0.86
15 B1 189 181 1.28 0.14 0.75 0.86
16 B2 3163 3019 4.66 55.57 0.75 0.86
17 B2 3060 2920 33.64 2.09 0.75 0.86
18 B2 1498 1430 22.18 0.08 0.75 0.86
19 B2 1373 1310 1.95 5.28 0.75 0.86
20 B2 930 887 0.16 2.79 0.75 0.86
21 B2 764 729 0.02 8.24 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16794.9 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 16029.1 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 mPW1PW91/6-311G*
ABC
0.59678 0.25176 0.18985

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.658
C2 0.000 1.378 -0.511
C3 0.000 -1.378 -0.511
H4 0.000 2.297 0.075
H5 0.000 -2.297 0.075
H6 0.892 1.367 -1.139
H7 -0.892 1.367 -1.139
H8 -0.892 -1.367 -1.139
H9 0.892 -1.367 -1.139

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.80701.80702.36962.36962.42782.42782.42782.4278
C21.80702.75631.08953.72131.09091.09092.95432.9543
C31.80702.75633.72131.08952.95432.95431.09091.0909
H42.36961.08953.72134.59351.76991.76993.96173.9617
H52.36963.72131.08954.59353.96173.96171.76991.7699
H62.42781.09092.95431.76993.96171.78373.26512.7349
H72.42781.09092.95431.76993.96171.78372.73493.2651
H82.42782.95431.09093.96171.76993.26512.73491.7837
H92.42782.95431.09093.96171.76992.73493.26511.7837

picture of Dimethyl sulfide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 H4 107.172 S1 C2 H6 111.405
S1 C2 H7 111.405 S1 C3 H5 107.172
S1 C3 H8 111.405 S1 C3 H9 111.405
C2 S1 C3 99.398 H4 C2 H6 108.533
H4 C2 H7 108.533 H5 C3 H8 108.533
H5 C3 H9 108.533 H6 C2 H7 109.678
H8 C3 H9 109.678
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 S 0.119      
2 C -0.812      
3 C -0.812      
4 H 0.257      
5 H 0.257      
6 H 0.248      
7 H 0.248      
8 H 0.248      
9 H 0.248      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.748 1.748
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.923 0.000 0.000
y 0.000 -23.975 0.000
z 0.000 0.000 -28.675
Traceless
 xyz
x -2.598 0.000 0.000
y 0.000 4.823 0.000
z 0.000 0.000 -2.225
Polar
3z2-r2-4.451
x2-y2-4.948
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.414 0.000 0.000
y 0.000 7.167 0.000
z 0.000 0.000 5.989


<r2> (average value of r2) Å2
<r2> 76.243
(<r2>)1/2 8.732