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: B3LYPultrafine/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 B3LYPultrafine/6-31+G**
 hartrees
Energy at 0K-628.422902
Energy at 298.15K 
HF Energy-628.422902
Nuclear repulsion energy270.396308
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 B3LYPultrafine/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 3178 3060 0.49      
2 A1 3073 2958 2.35      
3 A1 1465 1410 4.41      
4 A1 1361 1310 10.45      
5 A1 1119 1077 176.74      
6 A1 1010 972 1.23      
7 A1 654 629 9.66      
8 A1 462 445 25.36      
9 A1 261 251 2.49      
10 A2 3180 3061 0.00      
11 A2 1456 1401 0.00      
12 A2 944 909 0.00      
13 A2 285 275 0.00      
14 A2 182 175 0.00      
15 B1 3184 3065 1.74      
16 B1 1470 1415 12.78      
17 B1 1290 1241 265.06      
18 B1 998 961 0.14      
19 B1 348 335 0.96      
20 B1 208 201 0.45      
21 B2 3177 3059 0.74      
22 B2 3070 2955 0.04      
23 B2 1455 1401 7.79      
24 B2 1343 1293 9.66      
25 B2 951 915 53.86      
26 B2 729 702 50.55      
27 B2 435 419 36.10      

Unscaled Zero Point Vibrational Energy (zpe) 18643.3 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 17948.0 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 B3LYPultrafine/6-31+G**
ABC
0.14825 0.13690 0.13437

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.191
O2 -1.280 0.000 0.921
O3 1.280 0.000 0.921
C4 0.000 1.425 -0.924
C5 0.000 -1.425 -0.924
H6 0.000 2.306 -0.278
H7 0.000 -2.306 -0.278
H8 0.904 1.406 -1.536
H9 -0.904 1.406 -1.536
H10 -0.904 -1.406 -1.536
H11 0.904 -1.406 -1.536

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.47381.47381.80951.80952.35282.35282.40272.40272.40272.4027
O21.47382.55982.66012.66012.89712.89713.57512.85572.85573.5751
O31.47382.55982.66012.66012.89712.89712.85573.57513.57512.8557
C41.80952.66012.66012.85061.09183.78641.09121.09123.03423.0342
C51.80952.66012.66012.85063.78641.09183.03423.03421.09121.0912
H62.35282.89712.89711.09183.78644.61111.79071.79074.02154.0215
H72.35282.89712.89713.78641.09184.61114.02154.02151.79071.7907
H82.40273.57512.85571.09123.03421.79074.02151.80733.34262.8119
H92.40272.85573.57511.09123.03421.79074.02151.80732.81193.3426
H102.40272.85573.57513.03421.09124.02151.79073.34262.81191.8073
H112.40273.57512.85573.03421.09124.02151.79072.81193.34261.8073

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 105.698 S1 C4 H8 109.342
S1 C4 H9 109.342 S1 C5 H7 105.698
S1 C5 H10 109.342 S1 C5 H11 109.342
O2 S1 O3 120.552 O2 S1 C4 107.787
O2 S1 C5 107.787 O3 S1 C4 107.787
O3 S1 C5 107.787 C4 S1 C5 103.937
H6 C4 H8 110.229 H6 C4 H9 110.229
H7 C5 H10 110.229 H7 C5 H11 110.229
H8 C4 H9 111.812 H10 C5 H11 111.812
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.951      
2 O -0.557      
3 O -0.557      
4 C -0.518      
5 C -0.518      
6 H 0.214      
7 H 0.214      
8 H 0.193      
9 H 0.193      
10 H 0.193      
11 H 0.193      


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 -4.951 4.951
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.394 0.000 0.000
y 0.000 -32.004 0.000
z 0.000 0.000 -39.199
Traceless
 xyz
x -8.793 0.000 0.000
y 0.000 9.793 0.000
z 0.000 0.000 -1.000
Polar
3z2-r2-2.001
x2-y2-12.391
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.524 0.000 0.000
y 0.000 7.978 0.000
z 0.000 0.000 7.504


<r2> (average value of r2) Å2
<r2> 130.462
(<r2>)1/2 11.422