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

using model chemistry: B3PW91/TZVP

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/TZVP
 hartrees
Energy at 0K-628.374227
Energy at 298.15K 
HF Energy-628.374227
Nuclear repulsion energy270.857246
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/TZVP
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 3180 3067 0.27      
2 A1 3072 2963 1.57      
3 A1 1452 1401 4.79      
4 A1 1347 1299 15.78      
5 A1 1122 1082 176.41      
6 A1 1004 968 0.00      
7 A1 659 636 11.59      
8 A1 461 444 26.81      
9 A1 259 250 2.74      
10 A2 3183 3069 0.00      
11 A2 1443 1392 0.00      
12 A2 931 898 0.00      
13 A2 287 277 0.00      
14 A2 177 171 0.00      
15 B1 3187 3073 1.24      
16 B1 1459 1407 9.44      
17 B1 1301 1255 255.88      
18 B1 985 950 0.37      
19 B1 348 336 0.81      
20 B1 212 204 0.56      
21 B2 3179 3065 0.69      
22 B2 3070 2960 0.15      
23 B2 1442 1390 6.85      
24 B2 1328 1280 14.00      
25 B2 942 908 61.58      
26 B2 727 701 49.81      
27 B2 438 423 37.57      

Unscaled Zero Point Vibrational Energy (zpe) 18597.0 cm-1
Scaled (by 0.9643) Zero Point Vibrational Energy (zpe) 17933.1 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/TZVP
ABC
0.14866 0.13739 0.13506

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.189
O2 -1.279 0.000 0.920
O3 1.279 0.000 0.920
C4 0.000 1.421 -0.922
C5 0.000 -1.421 -0.922
H6 0.000 2.296 -0.273
H7 0.000 -2.296 -0.273
H8 0.902 1.403 -1.531
H9 -0.902 1.403 -1.531
H10 -0.902 -1.403 -1.531
H11 0.902 -1.403 -1.531

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.47341.47341.80421.80422.34252.34252.39632.39632.39632.3963
O21.47342.55862.65522.65522.88682.88683.56882.84942.84943.5688
O31.47342.55862.65522.65522.88682.88682.84943.56883.56882.8494
C41.80422.65522.65522.84291.08953.77411.08871.08873.02713.0271
C51.80422.65522.65522.84293.77411.08953.02713.02711.08871.0887
H62.34252.88682.88681.08953.77414.59291.78741.78744.01054.0105
H72.34252.88682.88683.77411.08954.59294.01054.01051.78741.7874
H82.39633.56882.84941.08873.02711.78744.01051.80453.33652.8064
H92.39632.84943.56881.08873.02711.78744.01051.80452.80643.3365
H102.39632.84943.56883.02711.08874.01051.78743.33652.80641.8045
H112.39633.56882.84943.02711.08874.01051.78742.80643.33651.8045

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 105.418 S1 C4 H8 109.350
S1 C4 H9 109.350 S1 C5 H7 105.418
S1 C5 H10 109.350 S1 C5 H11 109.350
O2 S1 O3 120.517 O2 S1 C4 107.789
O2 S1 C5 107.789 O3 S1 C4 107.789
O3 S1 C5 107.789 C4 S1 C5 103.971
H6 C4 H8 110.288 H6 C4 H9 110.288
H7 C5 H10 110.288 H7 C5 H11 110.288
H8 C4 H9 111.933 H10 C5 H11 111.933
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.628      
2 O -0.394      
3 O -0.394      
4 C -0.402      
5 C -0.402      
6 H 0.176      
7 H 0.176      
8 H 0.153      
9 H 0.153      
10 H 0.153      
11 H 0.153      


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 -4.849 4.849
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.840 0.000 0.000
y 0.000 -31.579 0.000
z 0.000 0.000 -38.662
Traceless
 xyz
x -8.720 0.000 0.000
y 0.000 9.673 0.000
z 0.000 0.000 -0.952
Polar
3z2-r2-1.904
x2-y2-12.262
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.225 0.000 0.000
y 0.000 7.640 0.000
z 0.000 0.000 7.099


<r2> (average value of r2) Å2
<r2> 129.705
(<r2>)1/2 11.389