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

using model chemistry: B3PW91/6-31+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 B3PW91/6-31+G**
 hartrees
Energy at 0K-628.288301
Energy at 298.15K 
HF Energy-628.288301
Nuclear repulsion energy271.607856
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 B3PW91/6-31+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 3195 3067 0.16      
2 A1 3082 2959 1.87      
3 A1 1459 1401 4.50      
4 A1 1357 1303 15.55      
5 A1 1138 1092 178.26      
6 A1 1012 971 0.03      
7 A1 673 646 9.50      
8 A1 470 451 25.49      
9 A1 264 254 2.67      
10 A2 3197 3069 0.00      
11 A2 1449 1391 0.00      
12 A2 938 901 0.00      
13 A2 285 274 0.00      
14 A2 189 181 0.00      
15 B1 3201 3073 0.90      
16 B1 1465 1407 11.68      
17 B1 1317 1264 270.08      
18 B1 995 956 0.81      
19 B1 350 336 0.84      
20 B1 219 210 0.50      
21 B2 3194 3066 1.18      
22 B2 3079 2956 0.01      
23 B2 1448 1391 7.85      
24 B2 1338 1284 15.23      
25 B2 949 911 62.25      
26 B2 744 714 46.80      
27 B2 441 424 35.66      

Unscaled Zero Point Vibrational Energy (zpe) 18722.7 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 17975.7 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 B3PW91/6-31+G**
ABC
0.14951 0.13827 0.13594

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.189
O2 -1.275 0.000 0.917
O3 1.275 0.000 0.917
C4 0.000 1.415 -0.919
C5 0.000 -1.415 -0.919
H6 0.000 2.297 -0.274
H7 0.000 -2.297 -0.274
H8 0.903 1.399 -1.531
H9 -0.903 1.399 -1.531
H10 -0.903 -1.399 -1.531
H11 0.903 -1.399 -1.531

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.46841.46841.79721.79722.34282.34282.39392.39392.39392.3939
O21.46842.55092.64552.64552.88432.88433.56302.84362.84363.5630
O31.46842.55092.64552.64552.88432.88432.84363.56303.56302.8436
C41.79722.64552.64552.83031.09203.76731.09131.09133.01823.0182
C51.79722.64552.64552.83033.76731.09203.01823.01821.09131.0913
H62.34282.88432.88431.09203.76734.59311.78911.78914.00654.0065
H72.34282.88432.88433.76731.09204.59314.00654.00651.78911.7891
H82.39393.56302.84361.09133.01821.78914.00651.80683.33052.7978
H92.39392.84363.56301.09133.01821.78914.00651.80682.79783.3305
H102.39392.84363.56303.01821.09134.00651.78913.33052.79781.8068
H112.39393.56302.84363.01821.09134.00651.78912.79783.33051.8068

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 105.761 S1 C4 H8 109.509
S1 C4 H9 109.509 S1 C5 H7 105.761
S1 C5 H10 109.509 S1 C5 H11 109.509
O2 S1 O3 120.586 O2 S1 C4 107.787
O2 S1 C5 107.787 O3 S1 C4 107.787
O3 S1 C5 107.787 C4 S1 C5 103.889
H6 C4 H8 110.065 H6 C4 H9 110.065
H7 C5 H10 110.065 H7 C5 H11 110.065
H8 C4 H9 111.753 H10 C5 H11 111.753
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.865      
2 O -0.530      
3 O -0.530      
4 C -0.551      
5 C -0.551      
6 H 0.231      
7 H 0.231      
8 H 0.209      
9 H 0.209      
10 H 0.209      
11 H 0.209      


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 -4.887 4.887
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.830 0.000 0.000
y 0.000 -31.655 0.000
z 0.000 0.000 -38.746
Traceless
 xyz
x -8.630 0.000 0.000
y 0.000 9.633 0.000
z 0.000 0.000 -1.004
Polar
3z2-r2-2.008
x2-y2-12.175
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.398 0.000 0.000
y 0.000 7.775 0.000
z 0.000 0.000 7.348


<r2> (average value of r2) Å2
<r2> 129.156
(<r2>)1/2 11.365