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

using model chemistry: HF/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 HF/3-21G*
 hartrees
Energy at 0K-623.303616
Energy at 298.15K 
HF Energy-623.303616
Nuclear repulsion energy277.004296
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/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 3301 2979 0.43      
2 A1 3224 2910 0.83      
3 A1 1626 1468 5.91      
4 A1 1572 1419 30.94      
5 A1 1274 1150 226.31      
6 A1 1144 1033 0.70      
7 A1 780 704 12.90      
8 A1 553 499 43.37      
9 A1 320 289 2.95      
10 A2 3311 2989 0.00      
11 A2 1615 1458 0.00      
12 A2 1079 974 0.00      
13 A2 323 291 0.00      
14 A2 208 188 0.00      
15 B1 3317 2994 2.13      
16 B1 1632 1473 22.92      
17 B1 1487 1342 266.83      
18 B1 1141 1030 2.03      
19 B1 403 363 1.96      
20 B1 240 216 0.74      
21 B2 3299 2978 0.50      
22 B2 3221 2907 0.19      
23 B2 1615 1458 9.91      
24 B2 1558 1407 45.33      
25 B2 1088 982 97.16      
26 B2 859 776 68.42      
27 B2 498 449 61.88      

Unscaled Zero Point Vibrational Energy (zpe) 20343.3 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 18361.8 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/3-21G*
ABC
0.15453 0.14576 0.14090

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.187
O2 -1.242 0.000 0.912
O3 1.242 0.000 0.912
C4 0.000 1.372 -0.907
C5 0.000 -1.372 -0.907
H6 0.000 2.272 -0.304
H7 0.000 -2.272 -0.304
H8 0.888 1.366 -1.524
H9 -0.888 1.366 -1.524
H10 -0.888 -1.366 -1.524
H11 0.888 -1.366 -1.524

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.43821.43821.75511.75512.32412.32412.36232.36232.36232.3623
O21.43822.48482.59502.59502.86042.86043.51202.81462.81463.5120
O31.43822.48482.59502.59502.86042.86042.81463.51203.51202.8146
C41.75512.59502.59502.74421.08293.69321.08091.08092.94342.9434
C51.75512.59502.59502.74423.69321.08292.94342.94341.08091.0809
H62.32412.86042.86041.08293.69324.54321.75961.75963.93773.9377
H72.32412.86042.86043.69321.08294.54323.93773.93771.75961.7596
H82.36233.51202.81461.08092.94341.75963.93771.77563.25782.7314
H92.36232.81463.51201.08092.94341.75963.93771.77562.73143.2578
H102.36232.81463.51202.94341.08093.93771.75963.25782.73141.7756
H112.36233.51202.81462.94341.08093.93771.75962.73143.25781.7756

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 107.588 S1 C4 H8 110.552
S1 C4 H9 110.552 S1 C5 H7 107.588
S1 C5 H10 110.552 S1 C5 H11 110.552
O2 S1 O3 119.506 O2 S1 C4 108.306
O2 S1 C5 108.306 O3 S1 C4 108.306
O3 S1 C5 108.306 C4 S1 C5 102.850
H6 C4 H8 108.818 H6 C4 H9 108.818
H7 C5 H10 108.818 H7 C5 H11 108.818
H8 C4 H9 110.433 H10 C5 H11 110.433
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.495      
2 O -0.599      
3 O -0.599      
4 C -0.932      
5 C -0.932      
6 H 0.281      
7 H 0.281      
8 H 0.251      
9 H 0.251      
10 H 0.251      
11 H 0.251      


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 -4.978 4.978
CHELPG 0.000 0.000 -5.010 5.010
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.146 0.000 0.000
y 0.000 -31.773 0.000
z 0.000 0.000 -39.009
Traceless
 xyz
x -8.755 0.000 0.000
y 0.000 9.804 0.000
z 0.000 0.000 -1.049
Polar
3z2-r2-2.098
x2-y2-12.373
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.240 0.000 0.000
y 0.000 5.450 0.000
z 0.000 0.000 5.138


<r2> (average value of r2) Å2
<r2> 125.354
(<r2>)1/2 11.196