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

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/6-311G*
 hartrees
Energy at 0K-628.159146
Energy at 298.15K 
HF Energy-627.828226
Nuclear repulsion energy272.233691
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 B2PLYP=FULL/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 3194 3194 1.38      
2 A1 3091 3091 2.71      
3 A1 1493 1493 5.00      
4 A1 1397 1397 16.99      
5 A1 1137 1137 181.73      
6 A1 1030 1030 0.97      
7 A1 674 674 11.53      
8 A1 475 475 27.22      
9 A1 273 273 2.29      
10 A2 3197 3197 0.00      
11 A2 1479 1479 0.00      
12 A2 960 960 0.00      
13 A2 292 292 0.00      
14 A2 183 183 0.00      
15 B1 3201 3201 4.22      
16 B1 1496 1496 17.14      
17 B1 1323 1323 225.36      
18 B1 1019 1019 0.67      
19 B1 359 359 0.90      
20 B1 215 215 0.61      
21 B2 3192 3192 0.18      
22 B2 3089 3089 0.15      
23 B2 1483 1483 8.14      
24 B2 1378 1378 19.12      
25 B2 973 973 60.66      
26 B2 745 745 52.10      
27 B2 449 449 38.44      

Unscaled Zero Point Vibrational Energy (zpe) 18899.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18899.4 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 B2PLYP=FULL/6-311G*
ABC
0.15002 0.13891 0.13640

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.193
O2 -1.273 0.000 0.913
O3 1.273 0.000 0.913
C4 0.000 1.412 -0.919
C5 0.000 -1.412 -0.919
H6 0.000 2.292 -0.279
H7 0.000 -2.292 -0.279
H8 0.900 1.397 -1.530
H9 -0.900 1.397 -1.530
H10 -0.900 -1.397 -1.530
H11 0.900 -1.397 -1.530

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.46211.46211.79761.79762.34032.34032.39412.39412.39412.3941
O21.46212.54512.64032.64032.88022.88023.55562.83892.83893.5556
O31.46212.54512.64032.64032.88022.88022.83893.55563.55562.8389
C41.79762.64032.64032.82341.08843.75861.08781.08783.01203.0120
C51.79762.64032.64032.82343.75861.08843.01203.01201.08781.0878
H62.34032.88022.88021.08843.75864.58411.78191.78193.99793.9979
H72.34032.88022.88023.75861.08844.58413.99793.99791.78191.7819
H82.39413.55562.83891.08783.01201.78193.99791.80053.32392.7941
H92.39412.83893.55561.08783.01201.78193.99791.80052.79413.3239
H102.39412.83893.55563.01201.08783.99791.78193.32392.79411.8005
H112.39413.55562.83893.01201.08783.99791.78192.79413.32391.8005

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 105.735 S1 C4 H8 109.683
S1 C4 H9 109.683 S1 C5 H7 105.735
S1 C5 H10 109.683 S1 C5 H11 109.683
O2 S1 O3 120.998 O2 S1 C4 107.750
O2 S1 C5 107.750 O3 S1 C4 107.750
O3 S1 C5 107.750 C4 S1 C5 103.502
H6 C4 H8 109.929 H6 C4 H9 109.929
H7 C5 H10 109.929 H7 C5 H11 109.929
H8 C4 H9 111.708 H10 C5 H11 111.708
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability