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

using model chemistry: B1B95/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-628.349060
Energy at 298.15K 
HF Energy-628.349060
Nuclear repulsion energy272.777032
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 B1B95/6-31G**
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 3207 3062 0.26      
2 A1 3093 2954 1.03      
3 A1 1465 1398 2.89      
4 A1 1362 1300 20.40      
5 A1 1162 1110 163.38      
6 A1 1014 968 1.61      
7 A1 685 654 11.29      
8 A1 480 458 24.38      
9 A1 264 252 2.45      
10 A2 3209 3064 0.00      
11 A2 1452 1387 0.00      
12 A2 938 896 0.00      
13 A2 279 267 0.00      
14 A2 188 179 0.00      
15 B1 3212 3067 1.74      
16 B1 1470 1404 8.52      
17 B1 1361 1300 225.55      
18 B1 998 953 1.95      
19 B1 352 336 0.51      
20 B1 217 208 0.50      
21 B2 3206 3061 0.93      
22 B2 3091 2952 0.30      
23 B2 1455 1389 7.65      
24 B2 1342 1282 17.47      
25 B2 952 909 74.54      
26 B2 752 718 45.84      
27 B2 442 422 34.71      

Unscaled Zero Point Vibrational Energy (zpe) 18824.6 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 17973.8 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 B1B95/6-31G**
ABC
0.15059 0.13964 0.13719

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.191
O2 -1.270 0.000 0.912
O3 1.270 0.000 0.912
C4 0.000 1.406 -0.916
C5 0.000 -1.406 -0.916
H6 0.000 2.288 -0.276
H7 0.000 -2.288 -0.276
H8 0.901 1.392 -1.529
H9 -0.901 1.392 -1.529
H10 -0.901 -1.392 -1.529
H11 0.901 -1.392 -1.529

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.46091.46091.78971.78972.33552.33552.38872.38872.38872.3887
O21.46092.54072.63332.63332.87442.87443.55092.83422.83423.5509
O31.46092.54072.63332.63332.87442.87442.83423.55093.55092.8342
C41.78972.63332.63332.81251.09003.74971.08931.08933.00273.0027
C51.78972.63332.63332.81253.74971.09003.00273.00271.08931.0893
H62.33552.87442.87441.09003.74974.57671.78451.78453.99073.9907
H72.33552.87442.87443.74971.09004.57673.99073.99071.78451.7845
H82.38873.55092.83421.08933.00271.78453.99071.80113.31572.7839
H92.38872.83423.55091.08933.00271.78453.99071.80112.78393.3157
H102.38872.83423.55093.00271.08933.99071.78453.31572.78391.8011
H112.38873.55092.83423.00271.08933.99071.78452.78393.31571.8011

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 105.814 S1 C4 H8 109.727
S1 C4 H9 109.727 S1 C5 H7 105.814
S1 C5 H10 109.727 S1 C5 H11 109.727
O2 S1 O3 120.821 O2 S1 C4 107.784
O2 S1 C5 107.784 O3 S1 C4 107.784
O3 S1 C5 107.784 C4 S1 C5 103.579
H6 C4 H8 109.940 H6 C4 H9 109.940
H7 C5 H10 109.940 H7 C5 H11 109.940
H8 C4 H9 111.532 H10 C5 H11 111.532
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.055      
2 O -0.525      
3 O -0.525      
4 C -0.554      
5 C -0.554      
6 H 0.201      
7 H 0.201      
8 H 0.175      
9 H 0.175      
10 H 0.175      
11 H 0.175      


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 -4.574 4.574
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.545 0.000 0.000
y 0.000 -31.268 0.000
z 0.000 0.000 -37.864
Traceless
 xyz
x -7.979 0.000 0.000
y 0.000 8.936 0.000
z 0.000 0.000 -0.958
Polar
3z2-r2-1.915
x2-y2-11.276
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.296 0.000 0.000
y 0.000 6.780 0.000
z 0.000 0.000 6.317


<r2> (average value of r2) Å2
<r2> 127.742
(<r2>)1/2 11.302