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

using model chemistry: B3LYPultrafine/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-628.451346
Energy at 298.15K 
HF Energy-628.451346
Nuclear repulsion energy273.461946
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/6-31G(2df,p)
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 3166 3055 1.38      
2 A1 3064 2956 1.41      
3 A1 1458 1407 1.26      
4 A1 1345 1298 16.33      
5 A1 1166 1125 142.24      
6 A1 1002 966 1.95      
7 A1 665 641 11.45      
8 A1 482 465 20.88      
9 A1 267 257 2.52      
10 A2 3168 3057 0.00      
11 A2 1445 1394 0.00      
12 A2 924 892 0.00      
13 A2 287 277 0.00      
14 A2 167 161 0.00      
15 B1 3172 3061 4.05      
16 B1 1463 1411 3.12      
17 B1 1367 1319 201.65      
18 B1 982 948 1.57      
19 B1 349 337 0.14      
20 B1 198 191 0.41      
21 B2 3164 3054 0.26      
22 B2 3061 2954 0.00      
23 B2 1448 1398 5.30      
24 B2 1329 1283 8.16      
25 B2 936 903 68.54      
26 B2 724 698 42.47      
27 B2 447 431 29.07      

Unscaled Zero Point Vibrational Energy (zpe) 18621.2 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 17969.5 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/6-31G(2df,p)
ABC
0.15159 0.14061 0.13653

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.196
O2 -1.257 0.000 0.913
O3 1.257 0.000 0.913
C4 0.000 1.409 -0.921
C5 0.000 -1.409 -0.921
H6 0.000 2.294 -0.281
H7 0.000 -2.294 -0.281
H8 0.902 1.390 -1.534
H9 -0.902 1.390 -1.534
H10 -0.902 -1.390 -1.534
H11 0.902 -1.390 -1.534

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.44681.44681.79821.79822.34342.34342.39532.39532.39532.3953
O21.44682.51362.63202.63202.87562.87563.54652.83612.83613.5465
O31.44682.51362.63202.63202.87562.87562.83613.54653.54652.8361
C41.79822.63202.63202.81891.09163.75851.09081.09083.00443.0044
C51.79822.63202.63202.81893.75851.09163.00443.00441.09081.0908
H62.34342.87562.87561.09163.75854.58851.78891.78893.99443.9944
H72.34342.87562.87563.75851.09164.58853.99443.99441.78891.7889
H82.39533.54652.83611.09083.00441.78893.99441.80383.31392.7799
H92.39532.83613.54651.09083.00441.78893.99441.80382.77993.3139
H102.39532.83613.54653.00441.09083.99441.78893.31392.77991.8038
H112.39533.54652.83613.00441.09083.99441.78892.77993.31391.8038

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 105.763 S1 C4 H8 109.575
S1 C4 H9 109.575 S1 C5 H7 105.763
S1 C5 H10 109.575 S1 C5 H11 109.575
O2 S1 O3 120.608 O2 S1 C4 107.916
O2 S1 C5 107.916 O3 S1 C4 107.916
O3 S1 C5 107.916 C4 S1 C5 103.227
H6 C4 H8 110.104 H6 C4 H9 110.104
H7 C5 H10 110.104 H7 C5 H11 110.104
H8 C4 H9 111.554 H10 C5 H11 111.554
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.491      
2 O -0.293      
3 O -0.293      
4 C -0.449      
5 C -0.449      
6 H 0.180      
7 H 0.180      
8 H 0.158      
9 H 0.158      
10 H 0.158      
11 H 0.158      


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 -4.298 4.298
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.888 0.000 0.000
y 0.000 -31.366 0.000
z 0.000 0.000 -37.532
Traceless
 xyz
x -7.439 0.000 0.000
y 0.000 8.344 0.000
z 0.000 0.000 -0.905
Polar
3z2-r2-1.811
x2-y2-10.522
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.416 0.000 0.000
y 0.000 7.171 0.000
z 0.000 0.000 6.618


<r2> (average value of r2) Å2
<r2> 127.369
(<r2>)1/2 11.286