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

using model chemistry: CISD/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 CISD/6-31G
 hartrees
Energy at 0K-626.578563
Energy at 298.15K 
HF Energy-626.117903
Nuclear repulsion energy254.066875
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 CISD/6-31G
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 3290 3086 0.55      
2 A1 3167 2970 2.29      
3 A1 1543 1447 7.28      
4 A1 1467 1376 2.20      
5 A1 1133 1063 36.75      
6 A1 800 750 27.96      
7 A1 625 586 0.30      
8 A1 357 335 32.00      
9 A1 232 218 4.93      
10 A2 3289 3084 0.00      
11 A2 1545 1448 0.00      
12 A2 1042 977 0.00      
13 A2 224 210 0.00      
14 A2 158 148 0.00      
15 B1 3291 3086 0.00      
16 B1 1555 1458 34.83      
17 B1 1130 1060 31.22      
18 B1 916 859 10.99      
19 B1 283 266 1.25      
20 B1 178 167 0.72      
21 B2 3289 3085 2.51      
22 B2 3163 2966 0.01      
23 B2 1533 1438 13.84      
24 B2 1443 1353 0.30      
25 B2 1040 975 14.70      
26 B2 735 689 18.02      
27 B2 322 302 53.14      

Unscaled Zero Point Vibrational Energy (zpe) 18873.9 cm-1
Scaled (by 0.9378) Zero Point Vibrational Energy (zpe) 17700.0 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 CISD/6-31G
ABC
0.12727 0.12485 0.11935

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.166
O2 -1.437 0.000 0.980
O3 1.437 0.000 0.980
C4 0.000 1.478 -0.958
C5 0.000 -1.478 -0.958
H6 0.000 2.346 -0.303
H7 0.000 -2.346 -0.303
H8 0.905 1.442 -1.559
H9 -0.905 1.442 -1.559
H10 -0.905 -1.442 -1.559
H11 0.905 -1.442 -1.559

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.65121.65121.85691.85692.39242.39242.42412.42412.42412.4241
O21.65122.87352.82912.82913.03543.03543.74332.96812.96813.7433
O31.65122.87352.82912.82913.03543.03542.96813.74333.74332.9681
C41.85692.82912.82912.95591.08743.87961.08721.08723.11603.1160
C51.85692.82912.82912.95593.87961.08743.11603.11601.08721.0872
H62.39243.03543.03541.08743.87964.69191.79271.79274.09264.0926
H72.39243.03543.03543.87961.08744.69194.09264.09261.79271.7927
H82.42413.74332.96811.08723.11601.79274.09261.81053.40602.8850
H92.42412.96813.74331.08723.11601.79274.09261.81052.88503.4060
H102.42412.96813.74333.11601.08724.09261.79273.40602.88501.8105
H112.42413.74332.96813.11601.08724.09261.79272.88503.40601.8105

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 105.704 S1 C4 H8 107.982
S1 C4 H9 107.982 S1 C5 H7 105.704
S1 C5 H10 107.982 S1 C5 H11 107.982
O2 S1 O3 120.945 O2 S1 C4 107.359
O2 S1 C5 107.359 O3 S1 C4 107.359
O3 S1 C5 107.359 C4 S1 C5 105.488
H6 C4 H8 111.043 H6 C4 H9 111.043
H7 C5 H10 111.043 H7 C5 H11 111.043
H8 C4 H9 112.740 H10 C5 H11 112.740
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability