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

using model chemistry: HF/CEP-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 HF/CEP-31G*
 hartrees
Energy at 0K-55.721248
Energy at 298.15K 
HF Energy-55.721248
Nuclear repulsion energy109.524091
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 HF/CEP-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 3367 3023 13.39      
2 A1 3261 2928 11.43      
3 A1 1586 1425 2.77      
4 A1 1508 1354 12.08      
5 A1 1217 1093 217.68      
6 A1 1104 991 4.08      
7 A1 750 673 5.03      
8 A1 515 463 44.60      
9 A1 281 252 1.96      
10 A2 3370 3026 0.00      
11 A2 1580 1419 0.00      
12 A2 1035 929 0.00      
13 A2 314 282 0.00      
14 A2 193 173 0.00      
15 B1 3375 3031 25.10      
16 B1 1595 1432 11.14      
17 B1 1395 1252 313.07      
18 B1 1094 983 0.00      
19 B1 375 336 2.26      
20 B1 224 201 0.55      
21 B2 3365 3021 0.68      
22 B2 3257 2925 6.92      
23 B2 1578 1417 5.34      
24 B2 1487 1335 2.77      
25 B2 1047 940 68.99      
26 B2 825 741 30.74      
27 B2 484 434 66.13      

Unscaled Zero Point Vibrational Energy (zpe) 20089.3 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 18040.2 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 HF/CEP-31G*
ABC
0.15226 0.13997 0.13632

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.245
O2 -1.256 0.000 0.973
O3 1.256 0.000 0.973
C4 0.000 1.417 -0.856
C5 0.000 -1.417 -0.856
H6 0.000 2.294 -0.213
H7 0.000 -2.294 -0.213
H8 0.899 1.399 -1.466
H9 -0.899 1.399 -1.466
H10 -0.899 -1.399 -1.466
H11 0.899 -1.399 -1.466

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.45201.45201.79441.79442.33892.33892.38532.38532.38532.3853
O21.45202.51252.63262.63262.87142.87143.54242.83342.83343.5424
O31.45202.51252.63262.63262.87142.87142.83343.54243.54242.8334
C41.79442.63262.63262.83431.08703.76611.08671.08673.01813.0181
C51.79442.63262.63262.83433.76611.08703.01813.01811.08671.0867
H62.33892.87142.87141.08703.76614.58731.78301.78304.00134.0013
H72.33892.87142.87143.76611.08704.58734.00134.00131.78301.7830
H82.38533.54242.83341.08673.01811.78304.00131.79903.32582.7972
H92.38532.83343.54241.08673.01811.78304.00131.79902.79723.3258
H102.38532.83343.54243.01811.08674.00131.78303.32582.79721.7990
H112.38533.54242.83343.01811.08674.00131.78302.79723.32581.7990

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 105.905 S1 C4 H8 109.302
S1 C4 H9 109.302 S1 C5 H7 105.905
S1 C5 H10 109.302 S1 C5 H11 109.302
O2 S1 O3 119.811 O2 S1 C4 107.913
O2 S1 C5 107.913 O3 S1 C4 107.913
O3 S1 C5 107.913 C4 S1 C5 104.332
H6 C4 H8 110.214 H6 C4 H9 110.214
H7 C5 H10 110.214 H7 C5 H11 110.214
H8 C4 H9 111.727 H10 C5 H11 111.727
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.651      
2 O -0.490      
3 O -0.490      
4 C -0.335      
5 C -0.335      
6 H 0.196      
7 H 0.196      
8 H 0.152      
9 H 0.152      
10 H 0.152      
11 H 0.152      


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 -5.458 5.458
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.802 0.000 0.000
y 0.000 -30.577 0.000
z 0.000 0.000 -38.891
Traceless
 xyz
x -9.068 0.000 0.000
y 0.000 10.769 0.000
z 0.000 0.000 -1.701
Polar
3z2-r2-3.403
x2-y2-13.224
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.901 0.000 0.000
y 0.000 6.334 0.000
z 0.000 0.000 5.902


<r2> (average value of r2) Å2
<r2> 106.426
(<r2>)1/2 10.316