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

using model chemistry: LSDA/STO-3G

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/STO-3G
 hartrees
Energy at 0K-618.507337
Energy at 298.15K 
HF Energy-618.507337
Nuclear repulsion energy249.907956
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/STO-3G
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 3511 3144 1.32      
2 A1 3290 2946 17.27      
3 A1 1592 1426 2.86      
4 A1 1318 1180 4.38      
5 A1 977 875 64.36      
6 A1 873 781 0.66      
7 A1 571 511 30.02      
8 A1 300 269 8.37      
9 A1 214 192 1.01      
10 A2 3506 3140 0.00      
11 A2 1592 1425 0.00      
12 A2 835 747 0.00      
13 A2 199 178 0.00      
14 A2 31i 28i 0.00      
15 B1 3507 3141 1.76      
16 B1 1598 1431 13.52      
17 B1 1129 1011 48.33      
18 B1 860 770 5.10      
19 B1 275 246 1.98      
20 B1 89 80 0.02      
21 B2 3510 3143 1.33      
22 B2 3286 2943 38.11      
23 B2 1587 1421 5.93      
24 B2 1301 1165 0.09      
25 B2 833 746 26.14      
26 B2 558 499 95.03      
27 B2 283 253 4.78      

Unscaled Zero Point Vibrational Energy (zpe) 18779.8 cm-1
Scaled (by 0.8955) Zero Point Vibrational Energy (zpe) 16817.3 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/STO-3G
ABC
0.12323 0.11749 0.11435

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.266
O2 -1.404 0.000 1.043
O3 1.404 0.000 1.043
C4 0.000 1.463 -1.089
C5 0.000 -1.463 -1.089
H6 0.000 2.419 -0.552
H7 0.000 -2.419 -0.552
H8 0.908 1.340 -1.693
H9 -0.908 1.340 -1.693
H10 -0.908 -1.340 -1.693
H11 0.908 -1.340 -1.693

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.60481.60481.99421.99422.55362.55362.54142.54142.54142.5414
O21.60482.80902.94242.94243.21983.21983.82463.08643.08643.8246
O31.60482.80902.94242.94243.21983.21983.08643.82463.82463.0864
C41.99422.94242.94242.92511.09693.91841.09731.09733.00713.0071
C51.99422.94242.94242.92513.91841.09693.00713.00711.09731.0973
H62.55363.21983.21981.09693.91844.83771.81391.81394.03174.0317
H72.55363.21983.21983.91841.09694.83774.03174.03171.81391.8139
H82.54143.82463.08641.09733.00711.81394.03171.81623.23732.6798
H92.54143.08643.82461.09733.00711.81394.03171.81622.67983.2373
H102.54143.08643.82463.00711.09734.03171.81393.23732.67981.8162
H112.54143.82463.08643.00711.09734.03171.81392.67983.23731.8162

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 107.845 S1 C4 H8 106.977
S1 C4 H9 106.977 S1 C5 H7 107.845
S1 C5 H10 106.977 S1 C5 H11 106.977
O2 S1 O3 122.133 O2 S1 C4 109.202
O2 S1 C5 109.202 O3 S1 C4 109.202
O3 S1 C5 109.202 C4 S1 C5 94.341
H6 C4 H8 111.520 H6 C4 H9 111.520
H7 C5 H10 111.520 H7 C5 H11 111.520
H8 C4 H9 111.709 H10 C5 H11 111.709
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.748      
2 O -0.320      
3 O -0.320      
4 C -0.355      
5 C -0.355      
6 H 0.102      
7 H 0.102      
8 H 0.099      
9 H 0.099      
10 H 0.099      
11 H 0.099      


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 -2.457 2.457
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.202 0.000 0.000
y 0.000 -31.727 0.000
z 0.000 0.000 -35.077
Traceless
 xyz
x -4.800 0.000 0.000
y 0.000 4.913 0.000
z 0.000 0.000 -0.113
Polar
3z2-r2-0.226
x2-y2-6.475
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.442 0.000 0.000
y 0.000 4.953 0.000
z 0.000 0.000 4.882


<r2> (average value of r2) Å2
<r2> 146.120
(<r2>)1/2 12.088