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

using model chemistry: PBEPBEultrafine/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBEultrafine/cc-pVDZ
 hartrees
Energy at 0K-627.967764
Energy at 298.15K 
HF Energy-627.967764
Nuclear repulsion energy267.076376
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 PBEPBEultrafine/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3118 3100 0.27      
2 A1 2995 2978 2.13      
3 A1 1375 1367 2.94      
4 A1 1252 1245 12.45      
5 A1 1069 1063 138.74      
6 A1 946 940 0.22      
7 A1 617 614 14.12      
8 A1 432 429 19.08      
9 A1 248 247 2.07      
10 A2 3119 3101 0.00      
11 A2 1364 1356 0.00      
12 A2 862 857 0.00      
13 A2 261 260 0.00      
14 A2 158 157 0.00      
15 B1 3122 3104 1.52      
16 B1 1381 1373 7.23      
17 B1 1256 1249 181.07      
18 B1 920 915 0.60      
19 B1 321 319 0.56      
20 B1 188 187 0.58      
21 B2 3117 3099 1.10      
22 B2 2993 2975 0.04      
23 B2 1364 1356 7.75      
24 B2 1234 1227 8.06      
25 B2 881 876 58.71      
26 B2 673 669 57.60      
27 B2 404 402 27.36      

Unscaled Zero Point Vibrational Energy (zpe) 17835.3 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 17731.9 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 PBEPBEultrafine/cc-pVDZ
ABC
0.14344 0.13398 0.13252

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.197
O2 -1.307 0.000 0.930
O3 1.307 0.000 0.930
C4 0.000 1.428 -0.938
C5 0.000 -1.428 -0.938
H6 0.000 2.316 -0.279
H7 0.000 -2.316 -0.279
H8 0.917 1.407 -1.555
H9 -0.917 1.407 -1.555
H10 -0.917 -1.407 -1.555
H11 0.917 -1.407 -1.555

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.49851.49851.82491.82492.36432.36432.42702.42702.42702.4270
O21.49852.61472.69062.69062.92112.92113.61952.88162.88163.6195
O31.49852.61472.69062.69062.92112.92112.88163.61953.61952.8816
C41.82492.69062.69062.85681.10593.80201.10531.10533.04303.0430
C51.82492.69062.69062.85683.80201.10593.04303.04301.10531.1053
H62.36432.92112.92111.10593.80204.63181.81551.81554.04094.0409
H72.36432.92112.92113.80201.10594.63184.04094.04091.81551.8155
H82.42703.61952.88161.10533.04301.81554.04091.83483.35902.8137
H92.42702.88163.61951.10533.04301.81554.04091.83482.81373.3590
H102.42702.88163.61953.04301.10534.04091.81553.35902.81371.8348
H112.42703.61952.88163.04301.10534.04091.81552.81373.35901.8348

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 104.883 S1 C4 H8 109.372
S1 C4 H9 109.372 S1 C5 H7 104.883
S1 C5 H10 109.372 S1 C5 H11 109.372
O2 S1 O3 121.484 O2 S1 C4 107.709
O2 S1 C5 107.709 O3 S1 C4 107.709
O3 S1 C5 107.709 C4 S1 C5 103.022
H6 C4 H8 110.381 H6 C4 H9 110.381
H7 C5 H10 110.381 H7 C5 H11 110.381
H8 C4 H9 112.187 H10 C5 H11 112.187
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.667      
2 O -0.417      
3 O -0.417      
4 C -0.162      
5 C -0.162      
6 H 0.095      
7 H 0.095      
8 H 0.075      
9 H 0.075      
10 H 0.075      
11 H 0.075      


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 -4.185 4.185
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.349 0.000 0.000
y 0.000 -32.051 0.000
z 0.000 0.000 -38.035
Traceless
 xyz
x -7.306 0.000 0.000
y 0.000 8.142 0.000
z 0.000 0.000 -0.836
Polar
3z2-r2-1.671
x2-y2-10.299
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.839 0.000 0.000
y 0.000 7.639 0.000
z 0.000 0.000 6.873


<r2> (average value of r2) Å2
<r2> 132.093
(<r2>)1/2 11.493