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

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 C2V 1A1
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-477.943791
Energy at 298.15K 
HF Energy-477.943791
Nuclear repulsion energy110.455397
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 A1 3166 3034 10.68      
2 A1 3053 2926 31.04      
3 A1 1496 1434 0.15      
4 A1 1384 1326 1.84      
5 A1 1065 1020 20.38      
6 A1 705 676 3.31      
7 A1 263 252 0.07      
8 A2 3146 3015 0.00      
9 A2 1471 1410 0.00      
10 A2 962 922 0.00      
11 A2 184 177 0.00      
12 B1 3140 3009 29.92      
13 B1 1481 1420 18.21      
14 B1 1001 959 9.13      
15 B1 184 177 1.28      
16 B2 3167 3035 2.63      
17 B2 3056 2929 26.87      
18 B2 1486 1424 21.05      
19 B2 1358 1301 3.52      
20 B2 921 883 0.38      
21 B2 759 727 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 16724.5 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 16028.7 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
0.59557 0.24901 0.18823

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.658
C2 0.000 1.386 -0.511
C3 0.000 -1.386 -0.511
H4 0.000 2.305 0.081
H5 0.000 -2.305 0.081
H6 0.894 1.377 -1.141
H7 -0.894 1.377 -1.141
H8 -0.894 -1.377 -1.141
H9 0.894 -1.377 -1.141

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.81371.81372.37612.37612.43562.43562.43562.4356
C21.81372.77271.09243.73821.09391.09392.97162.9716
C31.81372.77273.73821.09242.97162.97161.09391.0939
H42.37611.09243.73824.60951.77571.77573.98043.9804
H52.37613.73821.09244.60953.98043.98041.77571.7757
H62.43561.09392.97161.77573.98041.78833.28302.7532
H72.43561.09392.97161.77573.98041.78832.75323.2830
H82.43562.97161.09393.98041.77573.28302.75321.7883
H92.43562.97161.09393.98041.77572.75323.28301.7883

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 107.070 S1 C2 H6 111.379
S1 C2 H7 111.379 S1 C3 H5 107.070
S1 C3 H8 111.379 S1 C3 H9 111.379
C2 S1 C3 99.706 H4 C2 H6 108.625
H4 C2 H7 108.625 H5 C3 H8 108.625
H5 C3 H9 108.625 H6 C2 H7 109.655
H8 C3 H9 109.655
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 S 0.099      
2 C -0.537      
3 C -0.537      
4 H 0.169      
5 H 0.169      
6 H 0.159      
7 H 0.159      
8 H 0.159      
9 H 0.159      


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 -1.751 1.751
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.363 0.000 0.000
y 0.000 -23.481 0.000
z 0.000 0.000 -28.036
Traceless
 xyz
x -2.605 0.000 0.000
y 0.000 4.719 0.000
z 0.000 0.000 -2.114
Polar
3z2-r2-4.229
x2-y2-4.882
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.573 0.000 0.000
y 0.000 6.902 0.000
z 0.000 0.000 5.594


<r2> (average value of r2) Å2
<r2> 76.386
(<r2>)1/2 8.740