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: wB97X-D/aug-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 wB97X-D/aug-cc-pVDZ
 hartrees
Energy at 0K-628.356999
Energy at 298.15K 
HF Energy-628.356999
Nuclear repulsion energy270.592711
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/aug-cc-pVDZ
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 3200 3064 0.42      
2 A1 3076 2944 2.38      
3 A1 1426 1365 3.67      
4 A1 1323 1266 18.02      
5 A1 1115 1067 154.49      
6 A1 994 951 0.01      
7 A1 675 647 6.88      
8 A1 456 437 25.09      
9 A1 265 254 3.07      
10 A2 3199 3062 0.00      
11 A2 1425 1364 0.00      
12 A2 918 879 0.00      
13 A2 286 274 0.00      
14 A2 167 160 0.00      
15 B1 3202 3065 1.23      
16 B1 1443 1382 9.48      
17 B1 1281 1226 252.16      
18 B1 972 930 0.48      
19 B1 344 329 0.25      
20 B1 204 195 0.37      
21 B2 3199 3062 0.53      
22 B2 3074 2942 0.00      
23 B2 1416 1355 6.45      
24 B2 1306 1250 12.76      
25 B2 931 892 56.69      
26 B2 735 703 30.33      
27 B2 438 419 38.68      

Unscaled Zero Point Vibrational Energy (zpe) 18534.1 cm-1
Scaled (by 0.9573) Zero Point Vibrational Energy (zpe) 17742.7 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 wB97X-D/aug-cc-pVDZ
ABC
0.14810 0.13742 0.13561

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.185
O2 -1.284 0.000 0.922
O3 1.284 0.000 0.922
C4 0.000 1.417 -0.921
C5 0.000 -1.417 -0.921
H6 0.000 2.295 -0.266
H7 0.000 -2.295 -0.266
H8 0.909 1.389 -1.530
H9 -0.909 1.389 -1.530
H10 -0.909 -1.389 -1.530
H11 0.909 -1.389 -1.530

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.48071.48071.79721.79722.33842.33842.38682.38682.38682.3868
O21.48072.56852.65552.65552.88522.88523.57112.84282.84283.5711
O31.48072.56852.65552.65552.88522.88522.84283.57113.57112.8428
C41.79722.65552.65552.83391.09513.76881.09491.09493.01203.0120
C51.79722.65552.65552.83393.76881.09513.01203.01201.09491.0949
H62.33842.88522.88521.09513.76884.58911.80131.80133.99933.9993
H72.33842.88522.88523.76881.09514.58913.99933.99931.80131.8013
H82.38683.57112.84281.09493.01201.80133.99931.81853.32052.7783
H92.38682.84283.57111.09493.01201.80133.99931.81852.77833.3205
H102.38682.84283.57113.01201.09493.99931.80133.32052.77831.8185
H112.38683.57112.84283.01201.09493.99931.80132.77833.32051.8185

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 105.307 S1 C4 H8 108.804
S1 C4 H9 108.804 S1 C5 H7 105.307
S1 C5 H10 108.804 S1 C5 H11 108.804
O2 S1 O3 120.297 O2 S1 C4 107.829
O2 S1 C5 107.829 O3 S1 C4 107.829
O3 S1 C5 107.829 C4 S1 C5 104.078
H6 C4 H8 110.680 H6 C4 H9 110.680
H7 C5 H10 110.680 H7 C5 H11 110.680
H8 C4 H9 112.292 H10 C5 H11 112.292
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.609      
2 O -0.892      
3 O -0.892      
4 C 0.273      
5 C 0.273      
6 H -0.050      
7 H -0.050      
8 H -0.068      
9 H -0.068      
10 H -0.068      
11 H -0.068      


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 -4.974 4.974
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.952 0.000 0.000
y 0.000 -31.489 0.000
z 0.000 0.000 -38.673
Traceless
 xyz
x -8.871 0.000 0.000
y 0.000 9.823 0.000
z 0.000 0.000 -0.952
Polar
3z2-r2-1.905
x2-y2-12.463
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.825 0.000 0.000
y 0.000 8.492 0.000
z 0.000 0.000 7.969


<r2> (average value of r2) Å2
<r2> 129.614
(<r2>)1/2 11.385