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

using model chemistry: B3LYP/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 B3LYP/6-31+G**
 hartrees
Energy at 0K-628.422892
Energy at 298.15K 
HF Energy-628.422892
Nuclear repulsion energy270.395032
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/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 3065 0.49      
2 A1 3073 2963 2.35      
3 A1 1465 1413 4.34      
4 A1 1361 1312 10.58      
5 A1 1118 1078 176.70      
6 A1 1010 974 1.28      
7 A1 654 630 9.64      
8 A1 463 446 25.28      
9 A1 262 252 2.51      
10 A2 3180 3066 0.00      
11 A2 1456 1404 0.00      
12 A2 943 909 0.00      
13 A2 284 273 0.00      
14 A2 185 179 0.00      
15 B1 3184 3070 1.74      
16 B1 1471 1418 12.80      
17 B1 1289 1243 265.04      
18 B1 997 961 0.15      
19 B1 348 335 0.94      
20 B1 214 206 0.46      
21 B2 3177 3064 0.74      
22 B2 3070 2960 0.04      
23 B2 1455 1403 7.93      
24 B2 1341 1293 9.49      
25 B2 951 917 54.02      
26 B2 729 703 50.58      
27 B2 435 420 36.07      

Unscaled Zero Point Vibrational Energy (zpe) 18645.8 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 17978.3 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/6-31+G**
ABC
0.14827 0.13687 0.13438

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.190
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 1.407 -1.535
H9 -0.904 1.407 -1.535
H10 -0.904 -1.407 -1.535
H11 0.904 -1.407 -1.535

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.47391.47391.80951.80952.35272.35272.40282.40282.40282.4028
O21.47392.56002.65992.65992.89682.89683.57512.85562.85563.5751
O31.47392.56002.65992.65992.89682.89682.85563.57513.57512.8556
C41.80952.65992.65992.85101.09193.78661.09121.09123.03503.0350
C51.80952.65992.65992.85103.78661.09193.03503.03501.09121.0912
H62.35272.89682.89681.09193.78664.61121.79061.79064.02224.0222
H72.35272.89682.89683.78661.09194.61124.02224.02221.79061.7906
H82.40283.57512.85561.09123.03501.79064.02221.80753.34382.8132
H92.40282.85563.57511.09123.03501.79064.02221.80752.81323.3438
H102.40282.85563.57513.03501.09124.02221.79063.34382.81321.8075
H112.40283.57512.85563.03501.09124.02221.79062.81323.34381.8075

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 105.693 S1 C4 H8 109.354
S1 C4 H9 109.354 S1 C5 H7 105.693
S1 C5 H10 109.354 S1 C5 H11 109.354
O2 S1 O3 120.563 O2 S1 C4 107.779
O2 S1 C5 107.779 O3 S1 C4 107.779
O3 S1 C5 107.779 C4 S1 C5 103.960
H6 C4 H8 110.211 H6 C4 H9 110.211
H7 C5 H10 110.211 H7 C5 H11 110.211
H8 C4 H9 111.827 H10 C5 H11 111.827
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/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 -4.950 4.950
CHELPG        
AIM        
ESP 0.003 0.000 -4.945 4.945


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.395 0.000 0.000
y 0.000 -32.001 0.000
z 0.000 0.000 -39.200
Traceless
 xyz
x -8.794 0.000 0.000
y 0.000 9.797 0.000
z 0.000 0.000 -1.002
Polar
3z2-r2-2.004
x2-y2-12.394
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.525 0.000 0.000
y 0.000 7.979 0.000
z 0.000 0.000 7.503


<r2> (average value of r2) Å2
<r2> 130.463
(<r2>)1/2 11.422