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All results from a given calculation for C2H6O2S (Dimethyl sulfone)

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-628.356108
Energy at 298.15K 
HF Energy-628.356108
Nuclear repulsion energy272.627091
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 mPW1PW91/6-31G**
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 3215 3059 0.16      
2 A1 3101 2951 1.07      
3 A1 1473 1402 3.31      
4 A1 1375 1308 20.85      
5 A1 1165 1109 166.88      
6 A1 1024 974 1.19      
7 A1 691 658 11.30      
8 A1 485 461 25.14      
9 A1 269 256 2.65      
10 A2 3217 3061 0.00      
11 A2 1461 1390 0.00      
12 A2 949 903 0.00      
13 A2 284 271 0.00      
14 A2 190 181 0.00      
15 B1 3220 3064 1.37      
16 B1 1479 1407 9.84      
17 B1 1364 1297 230.62      
18 B1 1009 960 1.99      
19 B1 358 340 0.50      
20 B1 220 209 0.53      
21 B2 3214 3058 1.13      
22 B2 3099 2948 0.27      
23 B2 1463 1392 8.07      
24 B2 1355 1289 19.13      
25 B2 962 915 74.99      
26 B2 759 722 46.09      
27 B2 448 426 35.68      

Unscaled Zero Point Vibrational Energy (zpe) 18922.1 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 18004.4 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 mPW1PW91/6-31G**
ABC
0.15048 0.13947 0.13700

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.191
O2 -1.271 0.000 0.913
O3 1.271 0.000 0.913
C4 0.000 1.407 -0.916
C5 0.000 -1.407 -0.916
H6 0.000 2.290 -0.276
H7 0.000 -2.290 -0.276
H8 0.901 1.394 -1.529
H9 -0.901 1.394 -1.529
H10 -0.901 -1.394 -1.529
H11 0.901 -1.394 -1.529

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.46181.46181.79051.79052.33722.33722.38992.38992.38992.3899
O21.46182.54142.63482.63482.87642.87643.55292.83622.83623.5529
O31.46182.54142.63482.63482.87642.87642.83623.55293.55292.8362
C41.79052.63482.63482.81491.09033.75261.08961.08963.00573.0057
C51.79052.63482.63482.81493.75261.09033.00573.00571.08961.0896
H62.33722.87642.87641.09033.75264.58021.78461.78463.99413.9941
H72.33722.87642.87643.75261.09034.58023.99413.99411.78461.7846
H82.38993.55292.83621.08963.00571.78463.99411.80173.31932.7878
H92.38992.83623.55291.08963.00571.78463.99411.80172.78783.3193
H102.38992.83623.55293.00571.08963.99411.78463.31932.78781.8017
H112.38993.55292.83623.00571.08963.99411.78462.78783.31931.8017

picture of Dimethyl sulfone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C4 H6 105.866 S1 C4 H8 109.747
S1 C4 H9 109.747 S1 C5 H7 105.866
S1 C5 H10 109.747 S1 C5 H11 109.747
O2 S1 O3 120.753 O2 S1 C4 107.792
O2 S1 C5 107.792 O3 S1 C4 107.792
O3 S1 C5 107.792 C4 S1 C5 103.636
H6 C4 H8 109.895 H6 C4 H9 109.895
H7 C5 H10 109.895 H7 C5 H11 109.895
H8 C4 H9 111.535 H10 C5 H11 111.535
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.106      
2 O -0.539      
3 O -0.539      
4 C -0.594      
5 C -0.594      
6 H 0.211      
7 H 0.211      
8 H 0.185      
9 H 0.185      
10 H 0.185      
11 H 0.185      


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 -4.637 4.637
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.665 0.000 0.000
y 0.000 -31.237 0.000
z 0.000 0.000 -37.925
Traceless
 xyz
x -8.084 0.000 0.000
y 0.000 9.058 0.000
z 0.000 0.000 -0.973
Polar
3z2-r2-1.946
x2-y2-11.428
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.272 0.000 0.000
y 0.000 6.733 0.000
z 0.000 0.000 6.285


<r2> (average value of r2) Å2
<r2> 127.897
(<r2>)1/2 11.309