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All results from a given calculation for CH3SOCH3 (Dimethyl sulfoxide)

using model chemistry: TPSSh/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/3-21G*
 hartrees
Energy at 0K-550.500710
Energy at 298.15K-550.507518
HF Energy-550.500710
Nuclear repulsion energy181.116405
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 TPSSh/3-21G*
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' 3142 3034 6.92 116.65 0.72 0.84
2 A' 3137 3029 15.08 101.43 0.73 0.85
3 A' 3043 2939 7.68 201.79 0.00 0.00
4 A' 1545 1492 27.55 3.02 0.75 0.86
5 A' 1521 1469 3.81 32.37 0.72 0.84
6 A' 1399 1351 13.64 2.15 0.38 0.55
7 A' 1106 1068 81.98 5.65 0.36 0.53
8 A' 1052 1016 27.36 8.02 0.63 0.77
9 A' 973 940 14.89 9.93 0.72 0.84
10 A' 612 591 13.80 24.48 0.11 0.19
11 A' 357 345 5.81 1.69 0.32 0.49
12 A' 290 280 0.65 1.53 0.74 0.85
13 A' 226 218 0.52 0.14 0.61 0.76
14 A" 3140 3033 6.08 34.51 0.75 0.86
15 A" 3133 3025 0.03 7.93 0.75 0.86
16 A" 3041 2937 5.92 0.05 0.75 0.86
17 A" 1526 1474 0.75 41.84 0.75 0.86
18 A" 1505 1454 13.88 4.36 0.75 0.86
19 A" 1377 1329 5.19 2.93 0.75 0.86
20 A" 949 917 5.24 7.52 0.75 0.86
21 A" 917 886 3.73 0.96 0.75 0.86
22 A" 635 613 28.08 13.73 0.75 0.86
23 A" 285 275 4.07 3.50 0.75 0.86
24 A" 174 168 0.01 0.05 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17542.7 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 16941.0 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 TPSSh/3-21G*
ABC
0.23127 0.21649 0.13404

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.254 0.436 0.000
O2 -1.080 1.159 0.000
C3 0.254 -0.825 1.342
C4 0.254 -0.825 -1.342
H5 1.173 -1.420 1.287
H6 1.173 -1.420 -1.287
H7 0.218 -0.290 2.298
H8 0.218 -0.290 -2.298
H9 -0.630 -1.467 1.253
H10 -0.630 -1.467 -1.253

Atom - Atom Distances (Å)
  S1 O2 C3 C4 H5 H6 H7 H8 H9 H10
S11.51751.84171.84172.43842.43842.41002.41002.44372.4437
O21.51752.74172.74173.65833.65833.01073.01072.94392.9439
C31.84172.74172.68491.09612.84801.09493.67921.09622.8157
C41.84172.74172.68492.84801.09613.67921.09492.81571.0962
H52.43843.65831.09612.84802.57341.79163.87751.80323.1143
H62.43843.65832.84801.09612.57343.87751.79163.11431.8032
H72.41003.01071.09493.67921.79163.87754.59511.78723.8349
H82.41003.01073.67921.09493.87751.79164.59513.83491.7872
H92.44372.94391.09622.81571.80323.11431.78723.83492.5053
H102.44372.94392.81571.09623.11431.80323.83491.78722.5053

picture of Dimethyl sulfoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C3 H5 109.570 S1 C3 H7 107.565
S1 C3 H9 109.959 S1 C4 H6 109.570
S1 C4 H8 107.565 S1 C4 H10 109.959
O2 S1 C3 109.027 O2 S1 C4 109.027
C3 S1 C4 93.590 H5 C3 H7 109.708
H5 C3 H9 110.679 H6 C4 H8 109.708
H6 C4 H10 110.679 H7 C3 H9 109.303
H8 C4 H10 109.303
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.802      
2 O -0.522      
3 C -0.842      
4 C -0.842      
5 H 0.221      
6 H 0.221      
7 H 0.244      
8 H 0.244      
9 H 0.238      
10 H 0.238      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.057 -2.791 0.000 3.468
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.209 -0.889 0.000
y -0.889 6.022 0.000
z 0.000 0.000 6.560


<r2> (average value of r2) Å2
<r2> 104.177
(<r2>)1/2 10.207