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

using model chemistry: B3PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-628.047102
Energy at 298.15K 
HF Energy-628.047102
Nuclear repulsion energy253.899360
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 B3PW91/6-31G
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 3247 3110 0.42      
2 A1 3109 2978 1.36      
3 A1 1486 1423 8.15      
4 A1 1383 1325 5.45      
5 A1 1067 1022 46.35      
6 A1 826 791 40.50      
7 A1 581 556 7.17      
8 A1 353 338 20.76      
9 A1 220 211 3.75      
10 A2 3245 3108 0.00      
11 A2 1488 1425 0.00      
12 A2 973 932 0.00      
13 A2 207 198 0.00      
14 A2 145 139 0.00      
15 B1 3247 3110 0.00      
16 B1 1500 1436 35.74      
17 B1 1087 1041 63.12      
18 B1 919 880 17.56      
19 B1 276 264 0.69      
20 B1 168 161 0.54      
21 B2 3246 3109 2.38      
22 B2 3108 2976 0.29      
23 B2 1476 1413 17.08      
24 B2 1360 1303 3.13      
25 B2 977 936 18.71      
26 B2 666 638 37.89      
27 B2 314 301 35.62      

Unscaled Zero Point Vibrational Energy (zpe) 18336.9 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 17561.2 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 B3PW91/6-31G
ABC
0.12698 0.12319 0.12009

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.179
O2 -1.424 0.000 0.986
O3 1.424 0.000 0.986
C4 0.000 1.482 -0.975
C5 0.000 -1.482 -0.975
H6 0.000 2.354 -0.322
H7 0.000 -2.354 -0.322
H8 0.908 1.438 -1.574
H9 -0.908 1.438 -1.574
H10 -0.908 -1.438 -1.574
H11 0.908 -1.438 -1.574

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.63661.63661.87781.87782.40672.40672.44222.44222.44222.4422
O21.63662.84702.84022.84023.04603.04603.74952.98132.98133.7495
O31.63662.84702.84022.84023.04603.04602.98133.74953.74952.9813
C41.87782.84022.84022.96431.08933.89141.08921.08923.11613.1161
C51.87782.84022.84022.96433.89141.08933.11613.11611.08921.0892
H62.40673.04603.04601.08933.89144.70821.79831.79834.09544.0954
H72.40673.04603.04603.89141.08934.70824.09544.09541.79831.7983
H82.44223.74952.98131.08923.11611.79834.09541.81633.40112.8755
H92.44222.98133.74951.08923.11611.79834.09541.81632.87553.4011
H102.44222.98133.74953.11611.08924.09541.79833.40112.87551.8163
H112.44223.74952.98133.11611.08924.09541.79832.87553.40111.8163

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 105.292 S1 C4 H8 107.814
S1 C4 H9 107.814 S1 C5 H7 105.292
S1 C5 H10 107.814 S1 C5 H11 107.814
O2 S1 O3 120.868 O2 S1 C4 107.636
O2 S1 C5 107.636 O3 S1 C4 107.636
O3 S1 C5 107.636 C4 S1 C5 104.237
H6 C4 H8 111.263 H6 C4 H9 111.263
H7 C5 H10 111.263 H7 C5 H11 111.263
H8 C4 H9 112.974 H10 C5 H11 112.974
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.131      
2 O -0.594      
3 O -0.594      
4 C -0.696      
5 C -0.696      
6 H 0.263      
7 H 0.263      
8 H 0.231      
9 H 0.231      
10 H 0.231      
11 H 0.231      


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 -6.110 6.110
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.347 0.000 0.000
y 0.000 -31.067 0.000
z 0.000 0.000 -39.846
Traceless
 xyz
x -10.891 0.000 0.000
y 0.000 12.030 0.000
z 0.000 0.000 -1.139
Polar
3z2-r2-2.278
x2-y2-15.280
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.409 0.000 0.000
y 0.000 7.310 0.000
z 0.000 0.000 7.027


<r2> (average value of r2) Å2
<r2> 143.430
(<r2>)1/2 11.976