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

using model chemistry: mPW1PW91/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-628.359467
Energy at 298.15K 
HF Energy-628.359467
Nuclear repulsion energy270.931650
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/cc-pVDZ
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 3212 3078 0.00      
2 A1 3088 2959 1.73      
3 A1 1432 1372 3.80      
4 A1 1321 1266 18.16      
5 A1 1128 1081 161.17      
6 A1 994 953 0.48      
7 A1 674 646 11.33      
8 A1 462 443 26.08      
9 A1 263 252 2.45      
10 A2 3217 3083 0.00      
11 A2 1422 1362 0.00      
12 A2 908 870 0.00      
13 A2 278 267 0.00      
14 A2 176 169 0.00      
15 B1 3220 3086 0.53      
16 B1 1439 1379 8.42      
17 B1 1318 1263 215.50      
18 B1 970 930 0.93      
19 B1 340 325 0.71      
20 B1 208 199 0.69      
21 B2 3211 3077 1.84      
22 B2 3086 2957 0.01      
23 B2 1421 1362 7.70      
24 B2 1303 1248 12.66      
25 B2 929 890 72.01      
26 B2 733 702 47.21      
27 B2 435 416 38.23      

Unscaled Zero Point Vibrational Energy (zpe) 18592.2 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 17816.9 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/cc-pVDZ
ABC
0.14837 0.13764 0.13621

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.188
O2 -1.285 0.000 0.917
O3 1.285 0.000 0.917
C4 0.000 1.412 -0.920
C5 0.000 -1.412 -0.920
H6 0.000 2.290 -0.262
H7 0.000 -2.290 -0.262
H8 0.909 1.397 -1.531
H9 -0.909 1.397 -1.531
H10 -0.909 -1.397 -1.531
H11 0.909 -1.397 -1.531

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.47721.47721.79511.79512.33382.33382.39502.39502.39502.3950
O21.47722.57022.64932.64932.87832.87833.57222.84362.84363.5722
O31.47722.57022.64932.64932.87832.87832.84363.57223.57222.8436
C41.79512.64932.64932.82461.09693.76031.09591.09593.01573.0157
C51.79512.64932.64932.82463.76031.09693.01573.01571.09591.0959
H62.33382.87832.87831.09693.76034.58001.79861.79864.00424.0042
H72.33382.87832.87833.76031.09694.58004.00424.00421.79861.7986
H82.39503.57222.84361.09593.01571.79864.00421.81883.33432.7945
H92.39502.84363.57221.09593.01571.79864.00421.81882.79453.3343
H102.39502.84363.57223.01571.09594.00421.79863.33432.79451.8188
H112.39503.57222.84363.01571.09594.00421.79862.79453.33431.8188

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 105.027 S1 C4 H8 109.488
S1 C4 H9 109.488 S1 C5 H7 105.027
S1 C5 H10 109.488 S1 C5 H11 109.488
O2 S1 O3 120.912 O2 S1 C4 107.721
O2 S1 C5 107.721 O3 S1 C4 107.721
O3 S1 C5 107.721 C4 S1 C5 103.762
H6 C4 H8 110.217 H6 C4 H9 110.217
H7 C5 H10 110.217 H7 C5 H11 110.217
H8 C4 H9 112.155 H10 C5 H11 112.155
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.757      
2 O -0.473      
3 O -0.473      
4 C -0.188      
5 C -0.188      
6 H 0.108      
7 H 0.108      
8 H 0.087      
9 H 0.087      
10 H 0.087      
11 H 0.087      


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 -4.531 4.531
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.635 0.000 0.000
y 0.000 -31.438 0.000
z 0.000 0.000 -37.908
Traceless
 xyz
x -7.962 0.000 0.000
y 0.000 8.834 0.000
z 0.000 0.000 -0.872
Polar
3z2-r2-1.743
x2-y2-11.197
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.456 0.000 0.000
y 0.000 7.101 0.000
z 0.000 0.000 6.440


<r2> (average value of r2) Å2
<r2> 128.959
(<r2>)1/2 11.356