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: SVWN/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at SVWN/6-31+G**
 hartrees
Energy at 0K-626.223071
Energy at 298.15K 
HF Energy-626.223071
Nuclear repulsion energy272.204373
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 SVWN/6-31+G**
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 3124 3078 0.54      
2 A1 3007 2963 0.43      
3 A1 1388 1367 5.83      
4 A1 1285 1265 29.99      
5 A1 1126 1109 157.21      
6 A1 972 957 2.96      
7 A1 674 664 9.52      
8 A1 455 449 22.69      
9 A1 256 252 2.86      
10 A2 3128 3081 0.00      
11 A2 1376 1356 0.00      
12 A2 887 874 0.00      
13 A2 275 271 0.00      
14 A2 183 180 0.00      
15 B1 3131 3084 0.25      
16 B1 1395 1374 9.22      
17 B1 1309 1290 259.04      
18 B1 948 934 2.35      
19 B1 337 332 0.50      
20 B1 218 215 0.58      
21 B2 3124 3077 4.36      
22 B2 3005 2961 1.88      
23 B2 1375 1355 10.52      
24 B2 1263 1244 34.31      
25 B2 908 895 76.10      
26 B2 733 722 36.70      
27 B2 428 421 31.28      

Unscaled Zero Point Vibrational Energy (zpe) 18155.1 cm-1
Scaled (by 0.9851) Zero Point Vibrational Energy (zpe) 17884.6 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 SVWN/6-31+G**
ABC
0.14973 0.13928 0.13780

See section I.F.4 to change rotational constant units
Geometric Data calculated at SVWN/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.186
O2 -1.279 0.000 0.914
O3 1.279 0.000 0.914
C4 0.000 1.401 -0.914
C5 0.000 -1.401 -0.914
H6 0.000 2.287 -0.260
H7 0.000 -2.287 -0.260
H8 0.912 1.386 -1.529
H9 -0.912 1.386 -1.529
H10 -0.912 -1.386 -1.529
H11 0.912 -1.386 -1.529

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.47091.47091.78111.78112.33052.33052.38632.38632.38632.3863
O21.47092.55712.63362.63362.87142.87143.56152.83222.83223.5615
O31.47092.55712.63362.63362.87142.87142.83223.56153.56152.8322
C41.78112.63362.63362.80191.10103.74561.10021.10022.99612.9961
C51.78112.63362.63362.80193.74561.10102.99612.99611.10021.1002
H62.33052.87142.87141.10103.74564.57461.80371.80373.99163.9916
H72.33052.87142.87143.74561.10104.57463.99163.99161.80371.8037
H82.38633.56152.83221.10022.99611.80373.99161.82363.31782.7717
H92.38632.83223.56151.10022.99611.80373.99161.82362.77173.3178
H102.38632.83223.56152.99611.10023.99161.80373.31782.77171.8236
H112.38633.56152.83222.99611.10023.99161.80372.77173.31781.8236

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 105.479 S1 C4 H8 109.552
S1 C4 H9 109.552 S1 C5 H7 105.479
S1 C5 H10 109.552 S1 C5 H11 109.552
O2 S1 O3 120.739 O2 S1 C4 107.777
O2 S1 C5 107.777 O3 S1 C4 107.777
O3 S1 C5 107.777 C4 S1 C5 103.728
H6 C4 H8 110.053 H6 C4 H9 110.053
H7 C5 H10 110.053 H7 C5 H11 110.053
H8 C4 H9 111.947 H10 C5 H11 111.947
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.743      
2 O -0.473      
3 O -0.473      
4 C -0.616      
5 C -0.616      
6 H 0.254      
7 H 0.254      
8 H 0.232      
9 H 0.232      
10 H 0.232      
11 H 0.232      


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 -4.792 4.792
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.899 0.000 0.000
y 0.000 -32.028 0.000
z 0.000 0.000 -39.002
Traceless
 xyz
x -8.385 0.000 0.000
y 0.000 9.423 0.000
z 0.000 0.000 -1.038
Polar
3z2-r2-2.077
x2-y2-11.872
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.781 0.000 0.000
y 0.000 8.163 0.000
z 0.000 0.000 7.731


<r2> (average value of r2) Å2
<r2> 128.516
(<r2>)1/2 11.336