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

using model chemistry: PBE1PBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBE1PBE/3-21G
 hartrees
Energy at 0K-624.902738
Energy at 298.15K 
HF Energy-624.902738
Nuclear repulsion energy273.301820
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 PBE1PBE/3-21G
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 3180 3054 0.36      
2 A1 3088 2966 0.79      
3 A1 1521 1461 5.18      
4 A1 1434 1378 29.21      
5 A1 1195 1147 170.52      
6 A1 1053 1011 1.87      
7 A1 707 679 15.00      
8 A1 497 478 23.75      
9 A1 291 280 2.83      
10 A2 3188 3061 0.00      
11 A2 1506 1447 0.00      
12 A2 979 940 0.00      
13 A2 282 270 0.00      
14 A2 197 189 0.00      
15 B1 3192 3066 1.81      
16 B1 1526 1465 18.06      
17 B1 1412 1356 194.80      
18 B1 1041 1000 6.12      
19 B1 364 349 0.55      
20 B1 230 221 0.69      
21 B2 3179 3053 0.56      
22 B2 3086 2963 0.39      
23 B2 1509 1449 14.18      
24 B2 1419 1363 44.28      
25 B2 990 951 82.27      
26 B2 775 744 66.87      
27 B2 443 425 32.60      

Unscaled Zero Point Vibrational Energy (zpe) 19141.5 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 18383.5 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 PBE1PBE/3-21G
ABC
0.14902 0.14263 0.13802

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.197
O2 -1.267 0.000 0.924
O3 1.267 0.000 0.924
C4 0.000 1.378 -0.926
C5 0.000 -1.378 -0.926
H6 0.000 2.288 -0.318
H7 0.000 -2.288 -0.318
H8 0.899 1.365 -1.548
H9 -0.899 1.365 -1.548
H10 -0.899 -1.365 -1.548
H11 0.899 -1.365 -1.548

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.46071.46071.77731.77732.34532.34532.39082.39082.39082.3908
O21.46072.53342.63182.63182.89542.89543.55892.84812.84813.5589
O31.46072.53342.63182.63182.89542.89542.84813.55893.55892.8481
C41.77732.63182.63182.75511.09493.71571.09331.09332.95202.9520
C51.77732.63182.63182.75513.71571.09492.95202.95201.09331.0933
H62.34532.89542.89541.09493.71574.57621.78171.78173.95773.9577
H72.34532.89542.89543.71571.09494.57623.95773.95771.78171.7817
H82.39083.55892.84811.09332.95201.78173.95771.79773.26812.7292
H92.39082.84813.55891.09332.95201.78173.95771.79772.72923.2681
H102.39082.84813.55892.95201.09333.95771.78173.26812.72921.7977
H112.39083.55892.84812.95201.09333.95771.78172.72923.26811.7977

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 107.079 S1 C4 H8 110.513
S1 C4 H9 110.513 S1 C5 H7 107.079
S1 C5 H10 110.513 S1 C5 H11 110.513
O2 S1 O3 120.264 O2 S1 C4 108.341
O2 S1 C5 108.341 O3 S1 C4 108.341
O3 S1 C5 108.341 C4 S1 C5 101.626
H6 C4 H8 109.021 H6 C4 H9 109.021
H7 C5 H10 109.021 H7 C5 H11 109.021
H8 C4 H9 110.604 H10 C5 H11 110.604
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.205      
2 O -0.472      
3 O -0.472      
4 C -0.930      
5 C -0.930      
6 H 0.284      
7 H 0.284      
8 H 0.257      
9 H 0.257      
10 H 0.257      
11 H 0.257      


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 -4.347 4.347
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.395 0.000 0.000
y 0.000 -31.832 0.000
z 0.000 0.000 -38.126
Traceless
 xyz
x -7.416 0.000 0.000
y 0.000 8.429 0.000
z 0.000 0.000 -1.013
Polar
3z2-r2-2.026
x2-y2-10.563
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.671 0.000 0.000
y 0.000 5.969 0.000
z 0.000 0.000 5.649


<r2> (average value of r2) Å2
<r2> 127.360
(<r2>)1/2 11.285