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

using model chemistry: HF/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 HF/6-31G
 hartrees
Energy at 0K-626.118796
Energy at 298.15K 
HF Energy-626.118796
Nuclear repulsion energy254.650057
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/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 3381 3053 1.38      
2 A1 3256 2940 4.58      
3 A1 1601 1446 8.63      
4 A1 1535 1386 0.97      
5 A1 1189 1074 32.69      
6 A1 763 689 3.92      
7 A1 610 550 0.64      
8 A1 334 302 37.22      
9 A1 242 219 7.43      
10 A2 3382 3053 0.00      
11 A2 1605 1449 0.00      
12 A2 1100 993 0.00      
13 A2 230 208 0.00      
14 A2 155 140 0.00      
15 B1 3384 3055 0.23      
16 B1 1616 1459 42.41      
17 B1 1174 1060 15.65      
18 B1 852 770 0.99      
19 B1 282 255 0.84      
20 B1 175 158 0.72      
21 B2 3380 3052 4.19      
22 B2 3254 2938 0.32      
23 B2 1591 1437 15.91      
24 B2 1511 1364 0.01      
25 B2 1087 981 12.75      
26 B2 776 700 4.63      
27 B2 313 283 57.47      

Unscaled Zero Point Vibrational Energy (zpe) 19390.0 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 17507.2 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/6-31G
ABC
0.12728 0.12669 0.11942

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.157
O2 -1.448 0.000 0.977
O3 1.448 0.000 0.977
C4 0.000 1.467 -0.947
C5 0.000 -1.467 -0.947
H6 0.000 2.326 -0.298
H7 0.000 -2.326 -0.298
H8 0.895 1.441 -1.545
H9 -0.895 1.441 -1.545
H10 -0.895 -1.441 -1.545
H11 0.895 -1.441 -1.545

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.66371.66371.83601.83602.36962.36962.40262.40262.40262.4026
O21.66372.89542.81942.81943.02123.02123.73132.95602.95603.7313
O31.66372.89542.81942.81943.02123.02122.95603.73133.73132.9560
C41.83602.81942.81942.93321.07703.84741.07651.07653.10003.1000
C51.83602.81942.81942.93323.84741.07703.10003.10001.07651.0765
H62.36963.02123.02121.07703.84744.65101.77191.77194.06694.0669
H72.36963.02123.02123.84741.07704.65104.06694.06691.77191.7719
H82.40263.73132.95601.07653.10001.77194.06691.79063.39222.8811
H92.40262.95603.73131.07653.10001.77194.06691.79062.88113.3922
H102.40262.95603.73133.10001.07654.06691.77193.39222.88111.7906
H112.40263.73132.95603.10001.07654.06691.77192.88113.39221.7906

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 105.909 S1 C4 H8 108.325
S1 C4 H9 108.325 S1 C5 H7 105.909
S1 C5 H10 108.325 S1 C5 H11 108.325
O2 S1 O3 120.964 O2 S1 C4 107.241
O2 S1 C5 107.241 O3 S1 C4 107.241
O3 S1 C5 107.241 C4 S1 C5 106.034
H6 C4 H8 110.733 H6 C4 H9 110.733
H7 C5 H10 110.733 H7 C5 H11 110.733
H8 C4 H9 112.535 H10 C5 H11 112.535
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.415      
2 O -0.718      
3 O -0.718      
4 C -0.716      
5 C -0.716      
6 H 0.266      
7 H 0.266      
8 H 0.230      
9 H 0.230      
10 H 0.230      
11 H 0.230      


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 -6.857 6.857
CHELPG 0.000 0.000 -6.897 6.897
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.615 0.000 0.000
y 0.000 -30.666 0.000
z 0.000 0.000 -40.532
Traceless
 xyz
x -13.017 0.000 0.000
y 0.000 13.908 0.000
z 0.000 0.000 -0.891
Polar
3z2-r2-1.782
x2-y2-17.950
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.158 0.000 0.000
y 0.000 6.659 0.000
z 0.000 0.000 6.402


<r2> (average value of r2) Å2
<r2> 142.764
(<r2>)1/2 11.948