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

using model chemistry: wB97X-D/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at wB97X-D/CEP-31G
 hartrees
Energy at 0K-56.733825
Energy at 298.15K 
HF Energy-56.733825
Nuclear repulsion energy101.326812
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 wB97X-D/CEP-31G
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 3254 3254 3.19      
2 A1 3103 3103 21.26      
3 A1 1458 1458 11.24      
4 A1 1386 1386 0.96      
5 A1 1066 1066 44.76      
6 A1 749 749 30.80      
7 A1 596 596 0.06      
8 A1 300 300 23.96      
9 A1 211 211 4.72      
10 A2 3256 3256 0.00      
11 A2 1475 1475 0.00      
12 A2 985 985 0.00      
13 A2 222 222 0.00      
14 A2 131 131 0.00      
15 B1 3257 3257 9.32      
16 B1 1483 1483 32.09      
17 B1 1060 1060 40.04      
18 B1 842 842 24.87      
19 B1 260 260 0.72      
20 B1 161 161 0.67      
21 B2 3252 3252 0.00      
22 B2 3102 3102 13.69      
23 B2 1449 1449 14.95      
24 B2 1357 1357 0.00      
25 B2 975 975 12.76      
26 B2 690 690 8.94      
27 B2 304 304 47.22      

Unscaled Zero Point Vibrational Energy (zpe) 18189.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18189.6 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 wB97X-D/CEP-31G
ABC
0.12469 0.12171 0.11584

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.167
O2 -1.455 0.000 0.986
O3 1.455 0.000 0.986
C4 0.000 1.506 -0.968
C5 0.000 -1.506 -0.968
H6 0.000 2.363 -0.286
H7 0.000 -2.363 -0.286
H8 0.916 1.472 -1.569
H9 -0.916 1.472 -1.569
H10 -0.916 -1.472 -1.569
H11 0.916 -1.472 -1.569

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.66971.66971.88581.88582.40602.40602.45322.45322.45322.4532
O21.66972.91012.86422.86423.05283.05283.78352.99772.99773.7835
O31.66972.91012.86422.86423.05283.05282.99773.78353.78352.9977
C41.88582.86422.86423.01191.09483.92831.09581.09583.17263.1726
C51.88582.86422.86423.01193.92831.09483.17263.17261.09581.0958
H62.40603.05283.05281.09483.92834.72561.81041.81044.14564.1456
H72.40603.05283.05283.92831.09484.72564.14564.14561.81041.8104
H82.45323.78352.99771.09583.17261.81044.14561.83103.46622.9432
H92.45322.99773.78351.09583.17261.81044.14561.83102.94323.4662
H102.45322.99773.78353.17261.09584.14561.81043.46622.94321.8310
H112.45323.78352.99773.17261.09584.14561.81042.94323.46621.8310

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 104.499 S1 C4 H8 107.770
S1 C4 H9 107.770 S1 C5 H7 104.499
S1 C5 H10 107.770 S1 C5 H11 107.770
O2 S1 O3 121.254 O2 S1 C4 107.172
O2 S1 C5 107.172 O3 S1 C4 107.172
O3 S1 C5 107.172 C4 S1 C5 105.986
H6 C4 H8 111.471 H6 C4 H9 111.471
H7 C5 H10 111.471 H7 C5 H11 111.471
H8 C4 H9 113.330 H10 C5 H11 113.330
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.577      
2 O -0.490      
3 O -0.490      
4 C -0.439      
5 C -0.439      
6 H 0.245      
7 H 0.245      
8 H 0.198      
9 H 0.198      
10 H 0.198      
11 H 0.198      


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 -6.808 6.808
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.905 0.000 0.000
y 0.000 -29.894 0.000
z 0.000 0.000 -39.564
Traceless
 xyz
x -12.176 0.000 0.000
y 0.000 13.341 0.000
z 0.000 0.000 -1.165
Polar
3z2-r2-2.330
x2-y2-17.011
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.829 0.000 0.000
y 0.000 7.766 0.000
z 0.000 0.000 7.213


<r2> (average value of r2) Å2
<r2> 120.300
(<r2>)1/2 10.968