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

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-628.366842
Energy at 298.15K 
HF Energy-628.366842
Nuclear repulsion energy272.440238
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 mPW1PW91/6-31+G**
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 3212 3058 0.05      
2 A1 3098 2949 1.66      
3 A1 1466 1395 4.78      
4 A1 1368 1302 17.47      
5 A1 1151 1096 181.00      
6 A1 1020 971 0.17      
7 A1 687 654 8.89      
8 A1 475 452 27.01      
9 A1 267 254 2.70      
10 A2 3215 3060 0.00      
11 A2 1456 1386 0.00      
12 A2 945 900 0.00      
13 A2 289 275 0.00      
14 A2 191 181 0.00      
15 B1 3219 3064 0.55      
16 B1 1472 1401 11.67      
17 B1 1332 1268 276.51      
18 B1 1004 955 0.97      
19 B1 353 336 0.89      
20 B1 221 211 0.51      
21 B2 3211 3057 1.46      
22 B2 3096 2947 0.06      
23 B2 1455 1385 7.79      
24 B2 1348 1283 17.30      
25 B2 956 910 65.17      
26 B2 757 720 43.88      
27 B2 447 425 37.83      

Unscaled Zero Point Vibrational Energy (zpe) 18855.9 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 17947.1 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 mPW1PW91/6-31+G**
ABC
0.15044 0.13917 0.13686

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.188
O2 -1.272 0.000 0.914
O3 1.272 0.000 0.914
C4 0.000 1.410 -0.915
C5 0.000 -1.410 -0.915
H6 0.000 2.291 -0.272
H7 0.000 -2.291 -0.272
H8 0.902 1.394 -1.527
H9 -0.902 1.394 -1.527
H10 -0.902 -1.394 -1.527
H11 0.902 -1.394 -1.527

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.46431.46431.79041.79042.33632.33632.38692.38692.38692.3869
O21.46432.54312.63662.63662.87582.87583.55322.83492.83493.5532
O31.46432.54312.63662.63662.87582.87582.83493.55323.55322.8349
C41.79042.63662.63662.82001.09063.75611.08981.08983.00843.0084
C51.79042.63662.63662.82003.75611.09063.00843.00841.08981.0898
H62.33632.87582.87581.09063.75614.58111.78651.78653.99563.9956
H72.33632.87582.87583.75611.09064.58113.99563.99561.78651.7865
H82.38693.55322.83491.08983.00841.78653.99561.80423.32112.7883
H92.38692.83493.55321.08983.00841.78653.99561.80422.78833.3211
H102.38692.83493.55323.00841.08983.99561.78653.32112.78831.8042
H112.38693.55322.83493.00841.08983.99561.78652.78833.32111.8042

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 105.800 S1 C4 H8 109.521
S1 C4 H9 109.521 S1 C5 H7 105.800
S1 C5 H10 109.521 S1 C5 H11 109.521
O2 S1 O3 120.544 O2 S1 C4 107.794
O2 S1 C5 107.794 O3 S1 C4 107.794
O3 S1 C5 107.794 C4 S1 C5 103.914
H6 C4 H8 110.038 H6 C4 H9 110.038
H7 C5 H10 110.038 H7 C5 H11 110.038
H8 C4 H9 111.745 H10 C5 H11 111.745
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.870      
2 O -0.534      
3 O -0.534      
4 C -0.564      
5 C -0.564      
6 H 0.236      
7 H 0.236      
8 H 0.213      
9 H 0.213      
10 H 0.213      
11 H 0.213      


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 -4.919 4.919
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.875 0.000 0.000
y 0.000 -31.643 0.000
z 0.000 0.000 -38.764
Traceless
 xyz
x -8.672 0.000 0.000
y 0.000 9.676 0.000
z 0.000 0.000 -1.005
Polar
3z2-r2-2.010
x2-y2-12.232
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.322 0.000 0.000
y 0.000 7.689 0.000
z 0.000 0.000 7.270


<r2> (average value of r2) Å2
<r2> 128.502
(<r2>)1/2 11.336