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: B3LYP/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 B3LYP/cc-pVDZ
 hartrees
Energy at 0K-628.408205
Energy at 298.15K 
HF Energy-628.408205
Nuclear repulsion energy268.821963
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 B3LYP/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 3172 3077 0.45      
2 A1 3058 2967 2.21      
3 A1 1426 1384 3.19      
4 A1 1314 1274 11.24      
5 A1 1097 1064 154.81      
6 A1 985 955 0.28      
7 A1 639 620 12.95      
8 A1 450 436 23.89      
9 A1 257 249 2.18      
10 A2 3175 3080 0.00      
11 A2 1417 1375 0.00      
12 A2 904 877 0.00      
13 A2 272 264 0.00      
14 A2 169 164 0.00      
15 B1 3179 3083 2.23      
16 B1 1433 1390 9.12      
17 B1 1279 1241 197.47      
18 B1 963 934 0.22      
19 B1 334 324 0.87      
20 B1 201 195 0.61      
21 B2 3171 3076 0.77      
22 B2 3056 2964 0.07      
23 B2 1416 1374 7.30      
24 B2 1295 1256 6.41      
25 B2 923 895 59.37      
26 B2 703 682 56.11      
27 B2 422 409 35.71      

Unscaled Zero Point Vibrational Energy (zpe) 18353.8 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 17803.2 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 B3LYP/cc-pVDZ
ABC
0.14595 0.13544 0.13369

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.193
O2 -1.294 0.000 0.924
O3 1.294 0.000 0.924
C4 0.000 1.426 -0.930
C5 0.000 -1.426 -0.930
H6 0.000 2.307 -0.273
H7 0.000 -2.307 -0.273
H8 0.911 1.407 -1.543
H9 -0.911 1.407 -1.543
H10 -0.911 -1.407 -1.543
H11 0.911 -1.407 -1.543

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.48641.48641.81571.81572.35382.35382.41312.41312.41312.4131
O21.48642.58862.67372.67372.90392.90393.59572.86552.86553.5957
O31.48642.58862.67372.67372.90392.90392.86553.59573.59572.8655
C41.81572.67372.67372.85251.09883.79071.09811.09813.03833.0383
C51.81572.67372.67372.85253.79071.09883.03833.03831.09811.0981
H62.35382.90392.90391.09883.79074.61421.80331.80334.02914.0291
H72.35382.90392.90393.79071.09884.61424.02914.02911.80331.8033
H82.41313.59572.86551.09813.03831.80334.02911.82273.35232.8135
H92.41312.86553.59571.09813.03831.80334.02911.82272.81353.3523
H102.41312.86553.59573.03831.09814.02911.80333.35232.81351.8227
H112.41313.59572.86553.03831.09814.02911.80332.81353.35231.8227

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 105.054 S1 C4 H8 109.334
S1 C4 H9 109.334 S1 C5 H7 105.054
S1 C5 H10 109.334 S1 C5 H11 109.334
O2 S1 O3 121.090 O2 S1 C4 107.717
O2 S1 C5 107.717 O3 S1 C4 107.717
O3 S1 C5 107.717 C4 S1 C5 103.536
H6 C4 H8 110.340 H6 C4 H9 110.340
H7 C5 H10 110.340 H7 C5 H11 110.340
H8 C4 H9 112.184 H10 C5 H11 112.184
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.762      
2 O -0.464      
3 O -0.464      
4 C -0.129      
5 C -0.129      
6 H 0.084      
7 H 0.084      
8 H 0.064      
9 H 0.064      
10 H 0.064      
11 H 0.064      


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 -4.461 4.461
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.878 0.000 0.000
y 0.000 -31.784 0.000
z 0.000 0.000 -38.185
Traceless
 xyz
x -7.894 0.000 0.000
y 0.000 8.748 0.000
z 0.000 0.000 -0.854
Polar
3z2-r2-1.709
x2-y2-11.095
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.580 0.000 0.000
y 0.000 7.333 0.000
z 0.000 0.000 6.596


<r2> (average value of r2) Å2
<r2> 130.911
(<r2>)1/2 11.442