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

using model chemistry: PBEPBE/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 PBEPBE/6-31G**
 hartrees
Energy at 0K-627.965033
Energy at 298.15K 
HF Energy-627.965033
Nuclear repulsion energy268.942787
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 PBEPBE/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 3127 3084 0.59      
2 A1 3013 2972 1.37      
3 A1 1424 1404 2.44      
4 A1 1308 1290 14.26      
5 A1 1104 1089 145.26      
6 A1 977 964 0.65      
7 A1 638 629 13.44      
8 A1 456 450 17.98      
9 A1 255 252 2.41      
10 A2 3125 3082 0.00      
11 A2 1411 1392 0.00      
12 A2 903 891 0.00      
13 A2 265 261 0.00      
14 A2 183 180 0.00      
15 B1 3129 3086 2.54      
16 B1 1428 1409 9.28      
17 B1 1298 1280 191.92      
18 B1 959 946 1.75      
19 B1 338 334 0.25      
20 B1 210 208 0.48      
21 B2 3126 3083 0.67      
22 B2 3011 2970 0.10      
23 B2 1414 1394 8.41      
24 B2 1288 1271 12.50      
25 B2 915 903 62.04      
26 B2 703 694 53.84      
27 B2 417 411 25.02      

Unscaled Zero Point Vibrational Energy (zpe) 18212.2 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 17962.7 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 PBEPBE/6-31G**
ABC
0.14583 0.13590 0.13350

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.197
O2 -1.291 0.000 0.926
O3 1.291 0.000 0.926
C4 0.000 1.423 -0.933
C5 0.000 -1.423 -0.933
H6 0.000 2.314 -0.289
H7 0.000 -2.314 -0.289
H8 0.908 1.405 -1.550
H9 -0.908 1.405 -1.550
H10 -0.908 -1.405 -1.550
H11 0.908 -1.405 -1.550

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.48281.48281.81711.81712.36452.36452.41912.41912.41912.4191
O21.48282.58302.67342.67342.91512.91513.59782.87242.87243.5978
O31.48282.58302.67342.67342.91512.91512.87243.59783.59782.8724
C41.81712.67342.67342.84641.09923.79231.09881.09883.03373.0337
C51.81712.67342.67342.84643.79231.09923.03373.03371.09881.0988
H62.36452.91512.91511.09923.79234.62811.80121.80124.03064.0306
H72.36452.91512.91513.79231.09924.62814.03064.03061.80121.8012
H82.41913.59782.87241.09883.03371.80124.03061.81703.34562.8092
H92.41912.87243.59781.09883.03371.80124.03061.81702.80923.3456
H102.41912.87243.59783.03371.09884.03061.80123.34562.80921.8170
H112.41913.59782.87243.03371.09884.03061.80122.80923.34561.8170

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 105.701 S1 C4 H8 109.653
S1 C4 H9 109.653 S1 C5 H7 105.701
S1 C5 H10 109.653 S1 C5 H11 109.653
O2 S1 O3 121.140 O2 S1 C4 107.788
O2 S1 C5 107.788 O3 S1 C4 107.788
O3 S1 C5 107.788 C4 S1 C5 103.114
H6 C4 H8 110.063 H6 C4 H9 110.063
H7 C5 H10 110.063 H7 C5 H11 110.063
H8 C4 H9 111.542 H10 C5 H11 111.542
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.972      
2 O -0.481      
3 O -0.481      
4 C -0.546      
5 C -0.546      
6 H 0.197      
7 H 0.197      
8 H 0.172      
9 H 0.172      
10 H 0.172      
11 H 0.172      


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 -4.373 4.373
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.379 0.000 0.000
y 0.000 -31.649 0.000
z 0.000 0.000 -37.977
Traceless
 xyz
x -7.566 0.000 0.000
y 0.000 8.528 0.000
z 0.000 0.000 -0.962
Polar
3z2-r2-1.925
x2-y2-10.729
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.612 0.000 0.000
y 0.000 7.162 0.000
z 0.000 0.000 6.661


<r2> (average value of r2) Å2
<r2> 130.766
(<r2>)1/2 11.435