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

using model chemistry: B1B95/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 B1B95/aug-cc-pVDZ
 hartrees
Energy at 0K-628.382966
Energy at 298.15K 
HF Energy-628.382966
Nuclear repulsion energy270.998101
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 B1B95/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 3213 3078 0.27      
2 A1 3090 2960 1.91      
3 A1 1424 1364 3.23      
4 A1 1309 1253 18.31      
5 A1 1112 1065 147.51      
6 A1 986 945 0.06      
7 A1 672 644 7.22      
8 A1 450 431 24.23      
9 A1 257 246 2.89      
10 A2 3215 3079 0.00      
11 A2 1411 1352 0.00      
12 A2 904 866 0.00      
13 A2 275 264 0.00      
14 A2 160 153 0.00      
15 B1 3218 3083 0.90      
16 B1 1431 1370 7.62      
17 B1 1283 1229 241.47      
18 B1 960 919 0.64      
19 B1 330 316 0.26      
20 B1 194 186 0.37      
21 B2 3212 3077 1.13      
22 B2 3088 2958 0.21      
23 B2 1413 1353 5.85      
24 B2 1290 1235 12.61      
25 B2 923 884 58.98      
26 B2 732 701 30.83      
27 B2 431 413 36.89      

Unscaled Zero Point Vibrational Energy (zpe) 18491.6 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 17713.1 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 B1B95/aug-cc-pVDZ
ABC
0.14858 0.13763 0.13632

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.183
O2 -1.285 0.000 0.919
O3 1.285 0.000 0.919
C4 0.000 1.414 -0.917
C5 0.000 -1.414 -0.917
H6 0.000 2.287 -0.259
H7 0.000 -2.287 -0.259
H8 0.907 1.390 -1.525
H9 -0.907 1.390 -1.525
H10 -0.907 -1.390 -1.525
H11 0.907 -1.390 -1.525

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.48071.48071.79191.79192.32922.32922.38172.38172.38172.3817
O21.48072.57002.65002.65002.87552.87553.56502.83672.83673.5650
O31.48072.57002.65002.65002.87552.87552.83673.56503.56502.8367
C41.79192.65002.65002.82881.09263.75921.09211.09213.00963.0096
C51.79192.65002.65002.82883.75921.09263.00963.00961.09211.0921
H62.32922.87552.87551.09263.75924.57361.79671.79673.99303.9930
H72.32922.87552.87553.75921.09264.57363.99303.99301.79671.7967
H82.38173.56502.83671.09213.00961.79673.99301.81433.31992.7804
H92.38172.83673.56501.09213.00961.79673.99301.81432.78043.3199
H102.38172.83673.56503.00961.09213.99301.79673.31992.78041.8143
H112.38173.56502.83673.00961.09213.99301.79672.78043.31991.8143

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 105.106 S1 C4 H8 108.913
S1 C4 H9 108.913 S1 C5 H7 105.106
S1 C5 H10 108.913 S1 C5 H11 108.913
O2 S1 O3 120.411 O2 S1 C4 107.763
O2 S1 C5 107.763 O3 S1 C4 107.763
O3 S1 C5 107.763 C4 S1 C5 104.243
H6 C4 H8 110.650 H6 C4 H9 110.650
H7 C5 H10 110.650 H7 C5 H11 110.650
H8 C4 H9 112.326 H10 C5 H11 112.326
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.503      
2 O -0.890      
3 O -0.890      
4 C 0.403      
5 C 0.403      
6 H -0.077      
7 H -0.077      
8 H -0.094      
9 H -0.094      
10 H -0.094      
11 H -0.094      


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 -4.870 4.870
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.786 0.000 0.000
y 0.000 -31.614 0.000
z 0.000 0.000 -38.619
Traceless
 xyz
x -8.670 0.000 0.000
y 0.000 9.589 0.000
z 0.000 0.000 -0.919
Polar
3z2-r2-1.839
x2-y2-12.172
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.817 0.000 0.000
y 0.000 8.547 0.000
z 0.000 0.000 7.974


<r2> (average value of r2) Å2
<r2> 129.216
(<r2>)1/2 11.367