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

using model chemistry: B1B95/6-31+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 B1B95/6-31+G**
 hartrees
Energy at 0K-628.360081
Energy at 298.15K 
HF Energy-628.360081
Nuclear repulsion energy272.596618
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 B1B95/6-31+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 3205 3066 0.12      
2 A1 3091 2957 1.71      
3 A1 1457 1394 4.34      
4 A1 1355 1296 17.37      
5 A1 1148 1098 178.84      
6 A1 1011 967 0.36      
7 A1 682 652 8.91      
8 A1 470 450 26.37      
9 A1 262 250 2.48      
10 A2 3207 3068 0.00      
11 A2 1447 1384 0.00      
12 A2 935 894 0.00      
13 A2 284 271 0.00      
14 A2 188 180 0.00      
15 B1 3211 3071 0.81      
16 B1 1463 1400 10.49      
17 B1 1330 1272 272.82      
18 B1 993 950 0.96      
19 B1 347 332 0.95      
20 B1 218 209 0.48      
21 B2 3204 3065 1.23      
22 B2 3089 2955 0.05      
23 B2 1447 1384 7.48      
24 B2 1335 1277 16.11      
25 B2 947 906 65.28      
26 B2 750 717 43.81      
27 B2 442 423 37.18      

Unscaled Zero Point Vibrational Energy (zpe) 18756.5 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 17942.5 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 B1B95/6-31+G**
ABC
0.15055 0.13934 0.13709

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.188
O2 -1.271 0.000 0.913
O3 1.271 0.000 0.913
C4 0.000 1.409 -0.915
C5 0.000 -1.409 -0.915
H6 0.000 2.288 -0.271
H7 0.000 -2.288 -0.271
H8 0.902 1.392 -1.526
H9 -0.902 1.392 -1.526
H10 -0.902 -1.392 -1.526
H11 0.902 -1.392 -1.526

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.46351.46351.78931.78932.33412.33412.38532.38532.38532.3853
O21.46352.54302.63502.63502.87332.87333.55102.83242.83243.5510
O31.46352.54302.63502.63502.87332.87332.83243.55103.55102.8324
C41.78932.63502.63502.81731.09023.75271.08951.08953.00493.0049
C51.78932.63502.63502.81733.75271.09023.00493.00491.08951.0895
H62.33412.87332.87331.09023.75274.57681.78651.78653.99153.9915
H72.33412.87332.87333.75271.09024.57683.99153.99151.78651.7865
H82.38533.55102.83241.08953.00491.78653.99151.80383.31712.7837
H92.38532.83243.55101.08953.00491.78653.99151.80382.78373.3171
H102.38532.83243.55103.00491.08953.99151.78653.31712.78371.8038
H112.38533.55102.83243.00491.08953.99151.78652.78373.31711.8038

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 105.727 S1 C4 H8 109.489
S1 C4 H9 109.489 S1 C5 H7 105.727
S1 C5 H10 109.489 S1 C5 H11 109.489
O2 S1 O3 120.634 O2 S1 C4 107.780
O2 S1 C5 107.780 O3 S1 C4 107.780
O3 S1 C5 107.780 C4 S1 C5 103.858
H6 C4 H8 110.097 H6 C4 H9 110.097
H7 C5 H10 110.097 H7 C5 H11 110.097
H8 C4 H9 111.759 H10 C5 H11 111.759
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.867      
2 O -0.528      
3 O -0.528      
4 C -0.543      
5 C -0.543      
6 H 0.228      
7 H 0.228      
8 H 0.205      
9 H 0.205      
10 H 0.205      
11 H 0.205      


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 -4.856 4.856
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.789 0.000 0.000
y 0.000 -31.696 0.000
z 0.000 0.000 -38.729
Traceless
 xyz
x -8.577 0.000 0.000
y 0.000 9.563 0.000
z 0.000 0.000 -0.986
Polar
3z2-r2-1.972
x2-y2-12.094
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.365 0.000 0.000
y 0.000 7.747 0.000
z 0.000 0.000 7.316


<r2> (average value of r2) Å2
<r2> 128.349
(<r2>)1/2 11.329