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

using model chemistry: B3PW91/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/6-311+G(3df,2p)
 hartrees
Energy at 0K-628.430982
Energy at 298.15K 
HF Energy-628.430982
Nuclear repulsion energy275.512595
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 B3PW91/6-311+G(3df,2p)
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 3164 3029 0.68      
2 A1 3063 2932 1.53      
3 A1 1454 1392 3.21      
4 A1 1344 1287 24.88      
5 A1 1181 1131 155.00      
6 A1 1005 962 2.55      
7 A1 686 657 10.49      
8 A1 492 471 22.62      
9 A1 270 258 2.80      
10 A2 3169 3033 0.00      
11 A2 1441 1380 0.00      
12 A2 926 886 0.00      
13 A2 296 284 0.00      
14 A2 186 178 0.00      
15 B1 3173 3037 1.46      
16 B1 1460 1398 3.28      
17 B1 1372 1313 257.44      
18 B1 985 943 1.59      
19 B1 359 343 0.18      
20 B1 217 208 0.46      
21 B2 3163 3028 0.99      
22 B2 3061 2930 0.16      
23 B2 1443 1381 6.09      
24 B2 1328 1271 18.02      
25 B2 937 897 74.67      
26 B2 746 714 37.01      
27 B2 458 439 31.41      

Unscaled Zero Point Vibrational Energy (zpe) 18687.6 cm-1
Scaled (by 0.9573) Zero Point Vibrational Energy (zpe) 17889.7 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 B3PW91/6-311+G(3df,2p)
ABC
0.15448 0.14247 0.13891

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.187
O2 -1.247 0.000 0.905
O3 1.247 0.000 0.905
C4 0.000 1.401 -0.907
C5 0.000 -1.401 -0.907
H6 0.000 2.277 -0.261
H7 0.000 -2.277 -0.261
H8 0.900 1.387 -1.518
H9 -0.900 1.387 -1.518
H10 -0.900 -1.387 -1.518
H11 0.900 -1.387 -1.518

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.43931.43931.77771.77772.32062.32062.37532.37532.37532.3753
O21.43932.49472.60842.60842.84612.84613.52262.81352.81353.5226
O31.43932.49472.60842.60842.84612.84612.81353.52263.52262.8135
C41.77772.60842.60842.80111.08893.73381.08791.08792.99222.9922
C51.77772.60842.60842.80113.73381.08892.99222.99221.08791.0879
H62.32062.84612.84611.08893.73384.55371.78391.78393.97673.9767
H72.32062.84612.84613.73381.08894.55373.97673.97671.78391.7839
H82.37533.52262.81351.08792.99221.78393.97671.80093.30722.7739
H92.37532.81353.52261.08792.99221.78393.97671.80092.77393.3072
H102.37532.81353.52262.99221.08793.97671.78393.30722.77391.8009
H112.37533.52262.81352.99221.08793.97671.78392.77393.30721.8009

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 105.571 S1 C4 H8 109.615
S1 C4 H9 109.615 S1 C5 H7 105.571
S1 C5 H10 109.615 S1 C5 H11 109.615
O2 S1 O3 120.145 O2 S1 C4 107.894
O2 S1 C5 107.894 O3 S1 C4 107.894
O3 S1 C5 107.894 C4 S1 C5 103.971
H6 C4 H8 110.066 H6 C4 H9 110.066
H7 C5 H10 110.066 H7 C5 H11 110.066
H8 C4 H9 111.723 H10 C5 H11 111.723
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.619      
2 O -0.477      
3 O -0.477      
4 C -0.333      
5 C -0.333      
6 H 0.159      
7 H 0.159      
8 H 0.171      
9 H 0.171      
10 H 0.171      
11 H 0.171      


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 -4.538 4.538
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.848 0.000 0.000
y 0.000 -31.579 0.000
z 0.000 0.000 -38.192
Traceless
 xyz
x -7.963 0.000 0.000
y 0.000 8.941 0.000
z 0.000 0.000 -0.979
Polar
3z2-r2-1.957
x2-y2-11.270
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.411 0.000 0.000
y 0.000 8.251 0.000
z 0.000 0.000 7.658


<r2> (average value of r2) Å2
<r2> 126.096
(<r2>)1/2 11.229