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

using model chemistry: MP3=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 MP3=FULL/6-311G**
 hartrees
Energy at 0K-627.535974
Energy at 298.15K 
HF Energy-626.471953
Nuclear repulsion energy274.907529
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/6-311G**
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 3225 3225 0.53      
2 A1 3122 3122 1.21      
3 A1 1486 1486 5.13      
4 A1 1408 1408 23.79      
5 A1 1190 1190 204.38      
6 A1 1040 1040 1.09      
7 A1 726 726 11.60      
8 A1 502 502 36.04      
9 A1 281 281 2.12      
10 A2 3231 3231 0.00      
11 A2 1468 1468 0.00      
12 A2 959 959 0.00      
13 A2 307 307 0.00      
14 A2 179 179 0.00      
15 B1 3235 3235 2.13      
16 B1 1484 1484 9.10      
17 B1 1393 1393 274.00      
18 B1 1027 1027 1.12      
19 B1 373 373 1.41      
20 B1 224 224 0.57      
21 B2 3224 3224 0.33      
22 B2 3119 3119 0.11      
23 B2 1476 1476 5.07      
24 B2 1389 1389 19.98      
25 B2 983 983 77.49      
26 B2 785 785 42.03      
27 B2 476 476 50.53      

Unscaled Zero Point Vibrational Energy (zpe) 19155.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19155.2 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/6-311G**
ABC
0.15330 0.14179 0.13905

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.192
O2 -1.257 0.000 0.904
O3 1.257 0.000 0.904
C4 0.000 1.398 -0.909
C5 0.000 -1.398 -0.909
H6 0.000 2.281 -0.270
H7 0.000 -2.281 -0.270
H8 0.902 1.379 -1.519
H9 -0.902 1.379 -1.519
H10 -0.902 -1.379 -1.519
H11 0.902 -1.379 -1.519

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.44441.44441.77991.77992.32742.32742.37592.37592.37592.3759
O21.44442.51352.61202.61202.85672.85673.52652.81062.81063.5265
O31.44442.51352.61202.61202.85672.85672.81063.52653.52652.8106
C41.77992.61202.61202.79651.09033.73461.08931.08932.98362.9836
C51.77992.61202.61202.79653.73461.09032.98362.98361.08931.0893
H62.32742.85672.85671.09033.73464.56231.78561.78563.97183.9718
H72.32742.85672.85673.73461.09034.56233.97183.97181.78561.7856
H82.37593.52652.81061.08932.98361.78563.97181.80493.29692.7589
H92.37592.81063.52651.08932.98361.78563.97181.80492.75893.2969
H102.37592.81063.52652.98361.08933.97181.78563.29692.75891.8049
H112.37593.52652.81062.98361.08933.97181.78562.75893.29691.8049

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 105.854 S1 C4 H8 109.439
S1 C4 H9 109.439 S1 C5 H7 105.854
S1 C5 H10 109.439 S1 C5 H11 109.439
O2 S1 O3 120.936 O2 S1 C4 107.758
O2 S1 C5 107.758 O3 S1 C4 107.758
O3 S1 C5 107.758 C4 S1 C5 103.550
H6 C4 H8 110.020 H6 C4 H9 110.020
H7 C5 H10 110.020 H7 C5 H11 110.020
H8 C4 H9 111.886 H10 C5 H11 111.886
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability