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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-623.799100
Energy at 298.15K 
HF Energy-623.302791
Nuclear repulsion energy274.910887
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 3232 3008 0.86      
2 A1 3152 2933 0.71      
3 A1 1583 1473 4.95      
4 A1 1511 1406 24.85      
5 A1 1238 1152 194.99      
6 A1 1105 1028 0.00      
7 A1 746 694 15.34      
8 A1 531 494 32.87      
9 A1 311 289 2.46      
10 A2 3240 3015 0.00      
11 A2 1569 1460 0.00      
12 A2 1037 965 0.00      
13 A2 306 285 0.00      
14 A2 207 193 0.00      
15 B1 3245 3019 3.24      
16 B1 1585 1475 17.98      
17 B1 1456 1355 227.85      
18 B1 1100 1023 2.28      
19 B1 387 360 1.83      
20 B1 237 220 0.63      
21 B2 3231 3006 0.10      
22 B2 3148 2929 0.08      
23 B2 1574 1464 10.15      
24 B2 1497 1393 36.05      
25 B2 1046 974 78.37      
26 B2 819 762 70.31      
27 B2 474 441 46.40      

Unscaled Zero Point Vibrational Energy (zpe) 19781.6 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 18406.8 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/3-21G*
ABC
0.15144 0.14393 0.13923

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 0.194
O2 -1.256 0.000 0.918
O3 1.256 0.000 0.918
C4 0.000 1.376 -0.918
C5 0.000 -1.376 -0.918
H6 0.000 2.284 -0.313
H7 0.000 -2.284 -0.313
H8 0.894 1.362 -1.538
H9 -0.894 1.362 -1.538
H10 -0.894 -1.362 -1.538
H11 0.894 -1.362 -1.538

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.44991.44991.76891.76892.33932.33932.37762.37762.37762.3776
O21.44992.51182.61562.61562.88262.88263.53702.83162.83163.5370
O31.44992.51182.61562.61562.88262.88262.83163.53703.53702.8316
C41.76892.61562.61562.75251.09023.70951.08861.08862.94632.9463
C51.76892.61562.61562.75253.70951.09022.94632.94631.08861.0886
H62.33932.88262.88261.09023.70954.56741.77481.77483.94823.9482
H72.33932.88262.88263.70951.09024.56743.94823.94821.77481.7748
H82.37763.53702.83161.08862.94631.77483.94821.78863.25812.7233
H92.37762.83163.53701.08862.94631.77483.94821.78862.72333.2581
H102.37762.83163.53702.94631.08863.94821.77483.25812.72331.7886
H112.37763.53702.83162.94631.08863.94821.77482.72333.25811.7886

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 107.425 S1 C4 H8 110.344
S1 C4 H9 110.344 S1 C5 H7 107.425
S1 C5 H10 110.344 S1 C5 H11 110.344
O2 S1 O3 120.042 O2 S1 C4 108.295
O2 S1 C5 108.295 O3 S1 C4 108.295
O3 S1 C5 108.295 C4 S1 C5 102.161
H6 C4 H8 109.092 H6 C4 H9 109.092
H7 C5 H10 109.092 H7 C5 H11 109.092
H8 C4 H9 110.474 H10 C5 H11 110.474
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability