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

using model chemistry: QCISD/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 QCISD/6-31G*
 hartrees
Energy at 0K-627.189985
Energy at 298.15K 
HF Energy-626.388395
Nuclear repulsion energy272.053700
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 QCISD/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 3204 3051 0.86      
2 A1 3100 2952 1.69      
3 A1 1509 1437 3.13      
4 A1 1424 1356 15.77      
5 A1 1162 1107 161.91      
6 A1 1049 999 1.57      
7 A1 711 677 9.16      
8 A1 489 466 29.04      
9 A1 276 263 2.49      
10 A2 3204 3051 0.00      
11 A2 1497 1426 0.00      
12 A2 987 940 0.00      
13 A2 293 279 0.00      
14 A2 194 185 0.00      
15 B1 3207 3054 3.39      
16 B1 1513 1440 13.46      
17 B1 1351 1287 218.20      
18 B1 1043 993 0.40      
19 B1 367 349 1.21      
20 B1 224 213 0.48      
21 B2 3203 3050 0.26      
22 B2 3098 2950 0.01      
23 B2 1500 1429 7.72      
24 B2 1406 1339 15.99      
25 B2 1000 953 63.99      
26 B2 789 751 45.12      
27 B2 454 433 42.54      

Unscaled Zero Point Vibrational Energy (zpe) 19127.4 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 18215.0 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 QCISD/6-31G*
ABC
0.14980 0.13883 0.13697

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.189
O2 -1.277 0.000 0.914
O3 1.277 0.000 0.914
C4 0.000 1.407 -0.914
C5 0.000 -1.407 -0.914
H6 0.000 2.297 -0.278
H7 0.000 -2.297 -0.278
H8 0.903 1.391 -1.531
H9 -0.903 1.391 -1.531
H10 -0.903 -1.391 -1.531
H11 0.903 -1.391 -1.531

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.46851.46851.78841.78842.34412.34412.38942.38942.38942.3894
O21.46852.55382.63742.63742.88602.88603.55902.83822.83823.5590
O31.46852.55382.63742.63742.88602.88602.83823.55903.55902.8382
C41.78842.63742.63742.81491.09383.75881.09341.09343.00473.0047
C51.78842.63742.63742.81493.75881.09383.00473.00471.09341.0934
H62.34412.88602.88601.09383.75884.59421.79041.79043.99863.9986
H72.34412.88602.88603.75881.09384.59423.99863.99861.79041.7904
H82.38943.55902.83821.09343.00471.79043.99861.80573.31712.7825
H92.38942.83823.55901.09343.00471.79043.99861.80572.78253.3171
H102.38942.83823.55903.00471.09343.99861.79043.31712.78251.8057
H112.38943.55902.83823.00471.09343.99861.79042.78253.31711.8057

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 106.327 S1 C4 H8 109.652
S1 C4 H9 109.652 S1 C5 H7 106.327
S1 C5 H10 109.652 S1 C5 H11 109.652
O2 S1 O3 120.805 O2 S1 C4 107.742
O2 S1 C5 107.742 O3 S1 C4 107.742
O3 S1 C5 107.742 C4 S1 C5 103.805
H6 C4 H8 109.883 H6 C4 H9 109.883
H7 C5 H10 109.883 H7 C5 H11 109.883
H8 C4 H9 111.319 H10 C5 H11 111.319
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability