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

using model chemistry: MP4=FULL/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 MP4=FULL/6-31G*
 hartrees
Energy at 0K-627.243575
Energy at 298.15K 
HF Energy-626.387093
Nuclear repulsion energy271.283804
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 MP4=FULL/6-31G*
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 3193 3070        
2 A1 3085 2967        
3 A1 1504 1446        
4 A1 1411 1357        
5 A1 1152 1108        
6 A1 1038 998        
7 A1 694 668        
8 A1 479 460        
9 A1 273 263        
10 A2 3193 3071        
11 A2 1491 1434        
12 A2 975 938        
13 A2 287 276        
14 A2 196 188        
15 B1 3197 3074        
16 B1 1507 1449        
17 B1 1342 1291        
18 B1 1030 990        
19 B1 361 347        
20 B1 228 219        
21 B2 3192 3069        
22 B2 3083 2965        
23 B2 1495 1438        
24 B2 1393 1340        
25 B2 988 950        
26 B2 774 744        
27 B2 443 426        

Unscaled Zero Point Vibrational Energy (zpe) 19001.0 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 18271.4 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 MP4=FULL/6-31G*
ABC
0.14848 0.13822 0.13659

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.191
O2 -1.284 0.000 0.917
O3 1.284 0.000 0.917
C4 0.000 1.407 -0.918
C5 0.000 -1.407 -0.918
H6 0.000 2.299 -0.283
H7 0.000 -2.299 -0.283
H8 0.904 1.389 -1.536
H9 -0.904 1.389 -1.536
H10 -0.904 -1.389 -1.536
H11 0.904 -1.389 -1.536

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.47471.47471.79191.79192.34722.34722.39372.39372.39372.3937
O21.47472.56822.64492.64492.89352.89353.56792.84412.84413.5679
O31.47472.56822.64492.64492.89352.89352.84413.56793.56792.8441
C41.79192.64492.64492.81341.09523.75961.09451.09453.00253.0025
C51.79192.64492.64492.81343.75961.09523.00253.00251.09451.0945
H62.34722.89352.89351.09523.75964.59751.79241.79243.99843.9984
H72.34722.89352.89353.75961.09524.59753.99843.99841.79241.7924
H82.39373.56792.84411.09453.00251.79243.99841.80723.31462.7786
H92.39372.84413.56791.09453.00251.79243.99841.80722.77863.3146
H102.39372.84413.56793.00251.09453.99841.79243.31462.77861.8072
H112.39373.56792.84413.00251.09453.99841.79242.77863.31461.8072

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 106.266 S1 C4 H8 109.686
S1 C4 H9 109.686 S1 C5 H7 106.266
S1 C5 H10 109.686 S1 C5 H11 109.686
O2 S1 O3 121.093 O2 S1 C4 107.733
O2 S1 C5 107.733 O3 S1 C4 107.733
O3 S1 C5 107.733 C4 S1 C5 103.453
H6 C4 H8 109.887 H6 C4 H9 109.887
H7 C5 H10 109.887 H7 C5 H11 109.887
H8 C4 H9 111.302 H10 C5 H11 111.302
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability