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

using model chemistry: mPW1PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-311G*
 hartrees
Energy at 0K-628.426232
Energy at 298.15K 
HF Energy-628.426232
Nuclear repulsion energy273.327395
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 mPW1PW91/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3195 3050 1.12      
2 A1 3091 2950 2.24      
3 A1 1478 1411 5.11      
4 A1 1381 1318 23.09      
5 A1 1156 1103 191.32      
6 A1 1027 980 0.47      
7 A1 684 653 10.97      
8 A1 481 459 28.00      
9 A1 271 259 2.56      
10 A2 3201 3055 0.00      
11 A2 1465 1398 0.00      
12 A2 951 908 0.00      
13 A2 292 278 0.00      
14 A2 189 181 0.00      
15 B1 3205 3059 3.45      
16 B1 1483 1415 15.12      
17 B1 1347 1286 249.51      
18 B1 1013 967 1.71      
19 B1 357 341 0.63      
20 B1 220 210 0.70      
21 B2 3194 3048 0.34      
22 B2 3088 2947 0.02      
23 B2 1468 1401 8.03      
24 B2 1361 1299 23.95      
25 B2 964 920 72.25      
26 B2 750 716 47.43      
27 B2 452 432 39.22      

Unscaled Zero Point Vibrational Energy (zpe) 18881.5 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 18020.5 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 mPW1PW91/6-311G*
ABC
0.15149 0.14009 0.13735

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.191
O2 -1.265 0.000 0.911
O3 1.265 0.000 0.911
C4 0.000 1.407 -0.915
C5 0.000 -1.407 -0.915
H6 0.000 2.286 -0.272
H7 0.000 -2.286 -0.272
H8 0.901 1.396 -1.525
H9 -0.901 1.396 -1.525
H10 -0.901 -1.396 -1.525
H11 0.901 -1.396 -1.525

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.45521.45521.78941.78942.33202.33202.38852.38852.38852.3885
O21.45522.52952.62892.62892.86732.86733.54552.83102.83103.5455
O31.45522.52952.62892.62892.86732.86732.83103.54553.54552.8310
C41.78942.62892.62892.81391.08903.74831.08811.08813.00683.0068
C51.78942.62892.62892.81393.74831.08903.00683.00681.08811.0881
H62.33202.86732.86731.08903.74834.57141.78161.78163.99233.9923
H72.33202.86732.86733.74831.08904.57143.99233.99231.78161.7816
H82.38853.54552.83101.08813.00681.78163.99231.80133.32282.7922
H92.38852.83103.54551.08813.00681.78163.99231.80132.79223.3228
H102.38852.83103.54553.00681.08813.99231.78163.32282.79221.8013
H112.38853.54552.83103.00681.08813.99231.78162.79223.32281.8013

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 105.636 S1 C4 H8 109.803
S1 C4 H9 109.803 S1 C5 H7 105.636
S1 C5 H10 109.803 S1 C5 H11 109.803
O2 S1 O3 120.716 O2 S1 C4 107.793
O2 S1 C5 107.793 O3 S1 C4 107.793
O3 S1 C5 107.793 C4 S1 C5 103.678
H6 C4 H8 109.841 H6 C4 H9 109.841
H7 C5 H10 109.841 H7 C5 H11 109.841
H8 C4 H9 111.737 H10 C5 H11 111.737
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.004      
2 O -0.505      
3 O -0.505      
4 C -0.841      
5 C -0.841      
6 H 0.300      
7 H 0.300      
8 H 0.272      
9 H 0.272      
10 H 0.272      
11 H 0.272      


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 -4.914 4.914
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.640 0.000 0.000
y 0.000 -31.652 0.000
z 0.000 0.000 -38.784
Traceless
 xyz
x -8.423 0.000 0.000
y 0.000 9.561 0.000
z 0.000 0.000 -1.138
Polar
3z2-r2-2.276
x2-y2-11.989
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.473 0.000 0.000
y 0.000 7.060 0.000
z 0.000 0.000 6.589


<r2> (average value of r2) Å2
<r2> 127.930
(<r2>)1/2 11.311