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

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 C2V 1A1
Energy calculated at B3PW91/6-311G**
 hartrees
Energy at 0K-477.984067
Energy at 298.15K 
HF Energy-477.984067
Nuclear repulsion energy110.561786
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 A1 3143 3027 11.68 105.38 0.67 0.80
2 A1 3037 2925 38.36 293.32 0.00 0.00
3 A1 1481 1426 0.45 19.54 0.74 0.85
4 A1 1372 1321 2.28 1.84 0.44 0.61
5 A1 1058 1019 22.04 3.72 0.47 0.64
6 A1 699 673 3.63 14.54 0.17 0.29
7 A1 262 253 0.05 3.02 0.62 0.77
8 A2 3124 3009 0.00 18.05 0.75 0.86
9 A2 1456 1403 0.00 27.38 0.75 0.86
10 A2 955 920 0.00 6.02 0.75 0.86
11 A2 180 173 0.00 0.16 0.75 0.86
12 B1 3117 3002 33.84 132.69 0.75 0.86
13 B1 1466 1411 19.77 0.02 0.75 0.86
14 B1 998 961 16.35 2.53 0.75 0.86
15 B1 183 176 1.19 0.17 0.75 0.86
16 B2 3144 3028 2.94 56.56 0.75 0.86
17 B2 3040 2928 29.91 2.45 0.75 0.86
18 B2 1471 1417 20.09 0.08 0.75 0.86
19 B2 1345 1296 3.05 4.67 0.75 0.86
20 B2 915 881 0.20 2.73 0.75 0.86
21 B2 751 724 0.01 7.99 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16597.9 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 15985.4 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
0.59723 0.24931 0.18857

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.657
C2 0.000 1.386 -0.511
C3 0.000 -1.386 -0.511
H4 0.000 2.301 0.083
H5 0.000 -2.301 0.083
H6 0.894 1.376 -1.138
H7 -0.894 1.376 -1.138
H8 -0.894 -1.376 -1.138
H9 0.894 -1.376 -1.138

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.81231.81232.37172.37172.43242.43242.43242.4324
C21.81232.77151.09123.73441.09251.09252.96992.9699
C31.81232.77153.73441.09122.96992.96991.09251.0925
H42.37171.09123.73444.60231.77401.77403.97653.9765
H52.37173.73441.09124.60233.97653.97651.77401.7740
H62.43241.09252.96991.77403.97651.78853.28212.7520
H72.43241.09252.96991.77403.97651.78852.75203.2821
H82.43242.96991.09253.97651.77403.28212.75201.7885
H92.43242.96991.09253.97651.77402.75203.28211.7885

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 106.902 S1 C2 H6 111.305
S1 C2 H7 111.305 S1 C3 H5 106.902
S1 C3 H8 111.305 S1 C3 H9 111.305
C2 S1 C3 99.751 H4 C2 H6 108.668
H4 C2 H7 108.668 H5 C3 H8 108.668
H5 C3 H9 108.668 H6 C2 H7 109.878
H8 C3 H9 109.878
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 S 0.056      
2 C -0.494      
3 C -0.494      
4 H 0.160      
5 H 0.160      
6 H 0.153      
7 H 0.153      
8 H 0.153      
9 H 0.153      


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 -1.727 1.727
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.875 0.000 0.000
y 0.000 -23.973 0.000
z 0.000 0.000 -28.628
Traceless
 xyz
x -2.575 0.000 0.000
y 0.000 4.779 0.000
z 0.000 0.000 -2.204
Polar
3z2-r2-4.407
x2-y2-4.902
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.513 0.000 0.000
y 0.000 7.363 0.000
z 0.000 0.000 6.114


<r2> (average value of r2) Å2
<r2> 76.605
(<r2>)1/2 8.752