return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-628.348910
Energy at 298.15K 
HF Energy-628.348910
Nuclear repulsion energy272.488215
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 B3PW91/6-311G*
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 3176 3058 1.30      
2 A1 3073 2958 2.40      
3 A1 1471 1416 5.04      
4 A1 1371 1320 21.01      
5 A1 1142 1099 189.24      
6 A1 1018 980 0.20      
7 A1 670 645 11.72      
8 A1 475 457 26.45      
9 A1 269 259 2.55      
10 A2 3181 3063 0.00      
11 A2 1457 1403 0.00      
12 A2 944 909 0.00      
13 A2 288 277 0.00      
14 A2 187 180 0.00      
15 B1 3186 3067 3.80      
16 B1 1475 1420 15.67      
17 B1 1332 1282 243.59      
18 B1 1005 967 1.56      
19 B1 354 341 0.58      
20 B1 218 210 0.68      
21 B2 3175 3056 0.28      
22 B2 3070 2956 0.06      
23 B2 1460 1406 8.25      
24 B2 1351 1300 21.92      
25 B2 957 921 69.32      
26 B2 737 710 50.65      
27 B2 447 430 36.91      

Unscaled Zero Point Vibrational Energy (zpe) 18744.0 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 18044.8 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 B3PW91/6-311G*
ABC
0.15055 0.13917 0.13643

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.192
O2 -1.269 0.000 0.913
O3 1.269 0.000 0.913
C4 0.000 1.412 -0.918
C5 0.000 -1.412 -0.918
H6 0.000 2.292 -0.274
H7 0.000 -2.292 -0.274
H8 0.902 1.401 -1.529
H9 -0.902 1.401 -1.529
H10 -0.902 -1.401 -1.529
H11 0.902 -1.401 -1.529

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.45931.45931.79631.79632.33862.33862.39582.39582.39582.3958
O21.45932.53752.63772.63772.87592.87593.55542.83972.83973.5554
O31.45932.53752.63772.63772.87592.87592.83973.55543.55542.8397
C41.79632.63772.63772.82411.09043.75951.08951.08953.01683.0168
C51.79632.63772.63772.82413.75951.09043.01683.01681.08951.0895
H62.33862.87592.87591.09043.75954.58351.78411.78414.00344.0034
H72.33862.87592.87593.75951.09044.58354.00344.00341.78411.7841
H82.39583.55542.83971.08953.01681.78414.00341.80383.33272.8024
H92.39582.83973.55541.08953.01681.78414.00341.80382.80243.3327
H102.39582.83973.55543.01681.08954.00341.78413.33272.80241.8038
H112.39583.55542.83973.01681.08954.00341.78412.80243.33271.8038

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 105.602 S1 C4 H8 109.808
S1 C4 H9 109.808 S1 C5 H7 105.602
S1 C5 H10 109.808 S1 C5 H11 109.808
O2 S1 O3 120.778 O2 S1 C4 107.782
O2 S1 C5 107.782 O3 S1 C4 107.782
O3 S1 C5 107.782 C4 S1 C5 103.648
H6 C4 H8 109.850 H6 C4 H9 109.850
H7 C5 H10 109.850 H7 C5 H11 109.850
H8 C4 H9 111.741 H10 C5 H11 111.741
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.994      
2 O -0.500      
3 O -0.500      
4 C -0.836      
5 C -0.836      
6 H 0.298      
7 H 0.298      
8 H 0.270      
9 H 0.270      
10 H 0.270      
11 H 0.270      


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 -4.889 4.889
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.627 0.000 0.000
y 0.000 -31.687 0.000
z 0.000 0.000 -38.791
Traceless
 xyz
x -8.389 0.000 0.000
y 0.000 9.522 0.000
z 0.000 0.000 -1.133
Polar
3z2-r2-2.267
x2-y2-11.940
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.537 0.000 0.000
y 0.000 7.155 0.000
z 0.000 0.000 6.667


<r2> (average value of r2) Å2
<r2> 128.603
(<r2>)1/2 11.340