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

using model chemistry: MP3=FULL/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3=FULL/6-311+G(3df,2p)
 hartrees
Energy at 0K-627.845171
Energy at 298.15K 
HF Energy-626.556698
Nuclear repulsion energy277.857412
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 MP3=FULL/6-311+G(3df,2p)
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 3219 3219 0.38      
2 A1 3117 3117 0.99      
3 A1 1494 1494 3.07      
4 A1 1396 1396 32.12      
5 A1 1238 1238 171.53      
6 A1 1038 1038 3.30      
7 A1 736 736 9.55      
8 A1 518 518 29.30      
9 A1 281 281 2.47      
10 A2 3225 3225 0.00      
11 A2 1480 1480 0.00      
12 A2 961 961 0.00      
13 A2 314 314 0.00      
14 A2 204 204 0.00      
15 B1 3229 3229 0.98      
16 B1 1500 1500 0.40      
17 B1 1434 1434 298.82      
18 B1 1023 1023 1.59      
19 B1 375 375 0.52      
20 B1 237 237 0.38      
21 B2 3218 3218 0.71      
22 B2 3115 3115 0.46      
23 B2 1483 1483 4.94      
24 B2 1381 1381 20.40      
25 B2 972 972 80.88      
26 B2 791 791 29.77      
27 B2 483 483 40.90      

Unscaled Zero Point Vibrational Energy (zpe) 19229.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19229.2 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 MP3=FULL/6-311+G(3df,2p)
ABC
0.15674 0.14541 0.14140

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.188
O2 -1.236 0.000 0.899
O3 1.236 0.000 0.899
C4 0.000 1.384 -0.902
C5 0.000 -1.384 -0.902
H6 0.000 2.263 -0.266
H7 0.000 -2.263 -0.266
H8 0.897 1.365 -1.511
H9 -0.897 1.365 -1.511
H10 -0.897 -1.365 -1.511
H11 0.897 -1.365 -1.511

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.42601.42601.76191.76192.30842.30842.35672.35672.35672.3567
O21.42602.47242.58612.58612.82982.82983.49592.79002.79003.4959
O31.42602.47242.58612.58612.82982.82982.79003.49593.49592.7900
C41.76192.58612.58612.76791.08563.70241.08441.08442.95472.9547
C51.76192.58612.58612.76793.70241.08562.95472.95471.08441.0844
H62.30842.82982.82981.08563.70244.52671.77851.77853.93923.9392
H72.30842.82982.82983.70241.08564.52673.93923.93921.77851.7785
H82.35673.49592.79001.08442.95471.77853.93921.79463.26642.7292
H92.35672.79003.49591.08442.95471.77853.93921.79462.72923.2664
H102.35672.79003.49592.95471.08443.93921.77853.26642.72921.7946
H112.35673.49592.79002.95471.08443.93921.77852.72923.26641.7946

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 105.872 S1 C4 H8 109.470
S1 C4 H9 109.470 S1 C5 H7 105.872
S1 C5 H10 109.470 S1 C5 H11 109.470
O2 S1 O3 120.202 O2 S1 C4 107.968
O2 S1 C5 107.968 O3 S1 C4 107.968
O3 S1 C5 107.968 C4 S1 C5 103.532
H6 C4 H8 110.092 H6 C4 H9 110.092
H7 C5 H10 110.092 H7 C5 H11 110.092
H8 C4 H9 111.676 H10 C5 H11 111.676
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability