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

using model chemistry: CID/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CID/3-21G
 hartrees
Energy at 0K-623.485656
Energy at 298.15K 
HF Energy-623.031837
Nuclear repulsion energy259.139371
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 CID/3-21G
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 3280 3056 0.37      
2 A1 3176 2959 0.79      
3 A1 1561 1454 5.24      
4 A1 1477 1376 9.09      
5 A1 1123 1046 50.14      
6 A1 902 841 36.39      
7 A1 630 586 8.64      
8 A1 421 392 28.37      
9 A1 262 244 2.66      
10 A2 3283 3059 0.00      
11 A2 1562 1455 0.00      
12 A2 1017 947 0.00      
13 A2 221 206 0.00      
14 A2 151 140 0.00      
15 B1 3287 3062 0.00      
16 B1 1577 1469 35.49      
17 B1 1177 1097 58.45      
18 B1 1016 946 0.57      
19 B1 297 277 2.88      
20 B1 180 168 0.68      
21 B2 3279 3055 1.45      
22 B2 3172 2955 0.15      
23 B2 1550 1444 14.96      
24 B2 1453 1353 4.66      
25 B2 1024 954 23.79      
26 B2 714 665 49.51      
27 B2 339 316 46.04      

Unscaled Zero Point Vibrational Energy (zpe) 19065.4 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 17761.3 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 CID/3-21G
ABC
0.13086 0.12863 0.12635

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.188
O2 -1.369 0.000 0.991
O3 1.369 0.000 0.991
C4 0.000 1.432 -0.982
C5 0.000 -1.432 -0.982
H6 0.000 2.333 -0.375
H7 0.000 -2.333 -0.375
H8 0.902 1.376 -1.584
H9 -0.902 1.376 -1.584
H10 -0.902 -1.376 -1.584
H11 0.902 -1.376 -1.584

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.58741.58741.84931.84932.39982.39982.41792.41792.41792.4179
O21.58742.73792.79642.79643.03033.03033.69902.95722.95723.6990
O31.58742.73792.79642.79643.03033.03032.95723.69903.69902.9572
C41.84932.79642.79642.86441.08633.81381.08571.08573.01013.0101
C51.84932.79642.79642.86443.81381.08633.01013.01011.08571.0857
H62.39983.03033.03031.08633.81384.66581.78661.78664.00384.0038
H72.39983.03033.03033.81381.08634.66584.00384.00381.78661.7866
H82.41793.69902.95721.08573.01011.78664.00381.80333.28992.7516
H92.41792.95723.69901.08573.01011.78664.00381.80332.75163.2899
H102.41792.95723.69903.01011.08574.00381.78663.28992.75161.8033
H112.41793.69902.95723.01011.08574.00381.78662.75163.28991.8033

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 106.765 S1 C4 H8 108.098
S1 C4 H9 108.098 S1 C5 H7 106.765
S1 C5 H10 108.098 S1 C5 H11 108.098
O2 S1 O3 119.175 O2 S1 C4 108.677
O2 S1 C5 108.677 O3 S1 C4 108.677
O3 S1 C5 108.677 C4 S1 C5 101.516
H6 C4 H8 110.681 H6 C4 H9 110.681
H7 C5 H10 110.681 H7 C5 H11 110.681
H8 C4 H9 112.291 H10 C5 H11 112.291
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability