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

using model chemistry: CCD/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 CCD/6-31G
 hartrees
Energy at 0K-626.654444
Energy at 298.15K 
HF Energy-626.116356
Nuclear repulsion energy252.925368
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 CCD/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 3203 3074 0.08      
2 A1 3080 2955 2.33      
3 A1 1503 1442 6.39      
4 A1 1422 1364 2.76      
5 A1 1097 1053 37.73      
6 A1 806 773 40.49      
7 A1 607 582 1.88      
8 A1 358 344 29.60      
9 A1 225 216 4.26      
10 A2 3201 3071 0.00      
11 A2 1505 1444 0.00      
12 A2 1008 967 0.00      
13 A2 217 209 0.00      
14 A2 155 149 0.00      
15 B1 3203 3073 0.28      
16 B1 1515 1454 30.88      
17 B1 1101 1056 41.66      
18 B1 924 887 19.47      
19 B1 278 267 1.44      
20 B1 175 168 0.70      
21 B2 3202 3073 1.25      
22 B2 3078 2954 0.00      
23 B2 1494 1434 12.36      
24 B2 1400 1343 0.76      
25 B2 1009 968 15.04      
26 B2 706 677 25.94      
27 B2 317 304 50.13      

Unscaled Zero Point Vibrational Energy (zpe) 18395.3 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 17650.3 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 CCD/6-31G
ABC
0.12626 0.12323 0.11852

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.171
O2 -1.438 0.000 0.985
O3 1.438 0.000 0.985
C4 0.000 1.487 -0.967
C5 0.000 -1.487 -0.967
H6 0.000 2.362 -0.307
H7 0.000 -2.362 -0.307
H8 0.913 1.446 -1.571
H9 -0.913 1.446 -1.571
H10 -0.913 -1.446 -1.571
H11 0.913 -1.446 -1.571

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.65201.65201.87251.87252.40982.40982.44122.44122.44122.4412
O21.65202.87532.84382.84383.05203.05203.76142.98332.98333.7614
O31.65202.87532.84382.84383.05203.05202.98333.76143.76142.9833
C41.87252.84382.84382.97451.09543.90521.09531.09533.13123.1312
C51.87252.84382.84382.97453.90521.09543.13123.13121.09531.0953
H62.40983.05203.05201.09543.90524.72381.80771.80774.11504.1150
H72.40983.05203.05203.90521.09544.72384.11504.11501.80771.8077
H82.44123.76142.98331.09533.13121.80774.11501.82543.42072.8929
H92.44122.98333.76141.09533.13121.80774.11501.82542.89293.4207
H102.44122.98333.76143.13121.09534.11501.80773.42072.89291.8254
H112.44123.76142.98333.13121.09534.11501.80772.89293.42071.8254

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 105.569 S1 C4 H8 107.793
S1 C4 H9 107.793 S1 C5 H7 105.569
S1 C5 H10 107.793 S1 C5 H11 107.793
O2 S1 O3 120.971 O2 S1 C4 107.417
O2 S1 C5 107.417 O3 S1 C4 107.417
O3 S1 C5 107.417 C4 S1 C5 105.169
H6 C4 H8 111.212 H6 C4 H9 111.212
H7 C5 H10 111.212 H7 C5 H11 111.212
H8 C4 H9 112.872 H10 C5 H11 112.872
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability