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

using model chemistry: CID/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 CID/6-31G
 hartrees
Energy at 0K-626.572592
Energy at 298.15K 
HF Energy-626.117876
Nuclear repulsion energy254.477537
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/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 3292 3079 0.64      
2 A1 3169 2964 2.22      
3 A1 1543 1443 7.43      
4 A1 1469 1374 2.53      
5 A1 1135 1062 37.70      
6 A1 807 755 29.67      
7 A1 630 589 0.25      
8 A1 360 336 33.40      
9 A1 233 218 5.01      
10 A2 3291 3078 0.00      
11 A2 1545 1445 0.00      
12 A2 1044 977 0.00      
13 A2 226 211 0.00      
14 A2 159 149 0.00      
15 B1 3293 3080 0.00      
16 B1 1555 1455 35.46      
17 B1 1133 1060 33.23      
18 B1 927 867 11.84      
19 B1 285 267 1.25      
20 B1 179 168 0.74      
21 B2 3291 3078 2.68      
22 B2 3165 2960 0.00      
23 B2 1533 1434 13.87      
24 B2 1446 1352 0.52      
25 B2 1042 975 15.77      
26 B2 741 693 18.43      
27 B2 324 303 55.21      

Unscaled Zero Point Vibrational Energy (zpe) 18910.2 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 17684.8 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/6-31G
ABC
0.12787 0.12514 0.11971

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.165
O2 -1.433 0.000 0.978
O3 1.433 0.000 0.978
C4 0.000 1.477 -0.956
C5 0.000 -1.477 -0.956
H6 0.000 2.345 -0.300
H7 0.000 -2.345 -0.300
H8 0.905 1.443 -1.557
H9 -0.905 1.443 -1.557
H10 -0.905 -1.443 -1.557
H11 0.905 -1.443 -1.557

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.64731.64731.85441.85442.39042.39042.42232.42232.42232.4223
O21.64732.86552.82392.82393.03043.03043.73832.96432.96433.7383
O31.64732.86552.82392.82393.03043.03042.96433.73833.73832.9643
C41.85442.82392.82392.95451.08753.87781.08721.08723.11603.1160
C51.85442.82392.82392.95453.87781.08753.11603.11601.08721.0872
H62.39043.03043.03041.08753.87784.68941.79241.79244.09234.0923
H72.39043.03043.03043.87781.08754.68944.09234.09231.79241.7924
H82.42233.73832.96431.08723.11601.79244.09231.81053.40712.8862
H92.42232.96433.73831.08723.11601.79244.09231.81052.88623.4071
H102.42232.96433.73833.11601.08724.09231.79243.40712.88621.8105
H112.42233.73832.96433.11601.08724.09231.79242.88623.40711.8105

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 105.716 S1 C4 H8 108.015
S1 C4 H9 108.015 S1 C5 H7 105.716
S1 C5 H10 108.015 S1 C5 H11 108.015
O2 S1 O3 120.860 O2 S1 C4 107.355
O2 S1 C5 107.355 O3 S1 C4 107.355
O3 S1 C5 107.355 C4 S1 C5 105.619
H6 C4 H8 111.011 H6 C4 H9 111.011
H7 C5 H10 111.011 H7 C5 H11 111.011
H8 C4 H9 112.734 H10 C5 H11 112.734
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability