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

using model chemistry: LSDA/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 LSDA/6-311G*
 hartrees
Energy at 0K-626.291179
Energy at 298.15K 
HF Energy-626.291179
Nuclear repulsion energy273.194808
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 LSDA/6-311G*
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 3102 3052 0.05      
2 A1 2996 2947 0.61      
3 A1 1400 1377 6.43      
4 A1 1305 1284 36.93      
5 A1 1133 1115 168.58      
6 A1 981 965 4.82      
7 A1 673 662 11.81      
8 A1 462 455 23.59      
9 A1 262 258 2.80      
10 A2 3109 3059 0.00      
11 A2 1383 1360 0.00      
12 A2 897 882 0.00      
13 A2 279 274 0.00      
14 A2 178 175 0.00      
15 B1 3113 3062 0.05      
16 B1 1403 1380 12.55      
17 B1 1329 1307 230.98      
18 B1 962 946 4.31      
19 B1 344 338 0.24      
20 B1 216 212 0.81      
21 B2 3101 3051 2.80      
22 B2 2994 2945 1.35      
23 B2 1387 1364 10.89      
24 B2 1284 1263 47.03      
25 B2 918 903 84.08      
26 B2 728 716 41.39      
27 B2 435 428 31.75      

Unscaled Zero Point Vibrational Energy (zpe) 18185.7 cm-1
Scaled (by 0.9837) Zero Point Vibrational Energy (zpe) 17889.3 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 LSDA/6-311G*
ABC
0.15077 0.14037 0.13846

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.191
O2 -1.272 0.000 0.909
O3 1.272 0.000 0.909
C4 0.000 1.396 -0.913
C5 0.000 -1.396 -0.913
H6 0.000 2.282 -0.264
H7 0.000 -2.282 -0.264
H8 0.909 1.389 -1.529
H9 -0.909 1.389 -1.529
H10 -0.909 -1.389 -1.529
H11 0.909 -1.389 -1.529

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.46071.46071.77951.77952.32702.32702.39002.39002.39002.3900
O21.46072.54362.62432.62432.86392.86393.55392.82902.82903.5539
O31.46072.54362.62432.62432.86392.86392.82903.55393.55392.8290
C41.77952.62432.62432.79121.09933.73481.09811.09812.99302.9930
C51.77952.62432.62432.79123.73481.09932.99302.99301.09811.0981
H62.32702.86392.86391.09933.73484.56451.79611.79613.98793.9879
H72.32702.86392.86393.73481.09934.56453.98793.98791.79611.7961
H82.39003.55392.82901.09812.99301.79613.98791.81903.32002.7773
H92.39002.82903.55391.09812.99301.79613.98791.81902.77733.3200
H102.39002.82903.55392.99301.09813.98791.79613.32002.77731.8190
H112.39003.55392.82902.99301.09813.98791.79612.77733.32001.8190

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 105.417 S1 C4 H8 110.044
S1 C4 H9 110.044 S1 C5 H7 105.417
S1 C5 H10 110.044 S1 C5 H11 110.044
O2 S1 O3 121.071 O2 S1 C4 107.770
O2 S1 C5 107.770 O3 S1 C4 107.770
O3 S1 C5 107.770 C4 S1 C5 103.302
H6 C4 H8 109.652 H6 C4 H9 109.652
H7 C5 H10 109.652 H7 C5 H11 109.652
H8 C4 H9 111.832 H10 C5 H11 111.832
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.892      
2 O -0.442      
3 O -0.442      
4 C -0.908      
5 C -0.908      
6 H 0.322      
7 H 0.322      
8 H 0.291      
9 H 0.291      
10 H 0.291      
11 H 0.291      


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 -4.766 4.766
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.593 0.000 0.000
y 0.000 -32.117 0.000
z 0.000 0.000 -39.039
Traceless
 xyz
x -8.015 0.000 0.000
y 0.000 9.198 0.000
z 0.000 0.000 -1.183
Polar
3z2-r2-2.367
x2-y2-11.476
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.767 0.000 0.000
y 0.000 7.441 0.000
z 0.000 0.000 6.948


<r2> (average value of r2) Å2
<r2> 127.889
(<r2>)1/2 11.309