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

using model chemistry: CCSD=FULL/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCSD=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-627.501338
Energy at 298.15K 
HF Energy-626.455387
Nuclear repulsion energy276.355082
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 CCSD=FULL/6-31G(2df,p)
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 3224 3036 0.27      
2 A1 3120 2938 0.63      
3 A1 1499 1412 1.53      
4 A1 1398 1317 24.89      
5 A1 1215 1144 147.86      
6 A1 1035 975 2.56      
7 A1 731 688 8.68      
8 A1 508 478 26.55      
9 A1 280 264 2.46      
10 A2 3228 3040 0.00      
11 A2 1490 1403 0.00      
12 A2 959 903 0.00      
13 A2 298 281 0.00      
14 A2 196 185 0.00      
15 B1 3232 3044 1.42      
16 B1 1507 1419 2.47      
17 B1 1421 1338 223.63      
18 B1 1017 957 2.15      
19 B1 364 343 0.39      
20 B1 222 209 0.41      
21 B2 3223 3035 0.63      
22 B2 3118 2936 0.30      
23 B2 1490 1403 5.48      
24 B2 1382 1302 16.18      
25 B2 974 917 78.41      
26 B2 789 743 30.60      
27 B2 468 440 37.23      

Unscaled Zero Point Vibrational Energy (zpe) 19194.8 cm-1
Scaled (by 0.9416) Zero Point Vibrational Energy (zpe) 18073.8 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 CCSD=FULL/6-31G(2df,p)
ABC
0.15437 0.14413 0.14034

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.193
O2 -1.247 0.000 0.904
O3 1.247 0.000 0.904
C4 0.000 1.384 -0.909
C5 0.000 -1.384 -0.909
H6 0.000 2.272 -0.279
H7 0.000 -2.272 -0.279
H8 0.898 1.367 -1.522
H9 -0.898 1.367 -1.522
H10 -0.898 -1.367 -1.522
H11 0.898 -1.367 -1.522

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.43601.43601.76901.76902.32062.32062.36912.36912.36912.3691
O21.43602.49472.59972.59972.84932.84933.51502.80622.80623.5150
O31.43602.49472.59972.59972.84932.84932.80623.51503.51502.8062
C41.76902.59972.59972.76881.08853.71051.08751.08752.95812.9581
C51.76902.59972.59972.76883.71051.08852.95812.95811.08751.0875
H62.32062.84932.84931.08853.71054.54451.78081.78083.94883.9488
H72.32062.84932.84933.71051.08854.54453.94883.94881.78081.7808
H82.36913.51502.80621.08752.95811.78083.94881.79593.27052.7333
H92.36912.80623.51501.08752.95811.78083.94881.79592.73333.2705
H102.36912.80623.51502.95811.08753.94881.78083.27052.73331.7959
H112.36913.51502.80622.95811.08753.94881.78082.73333.27051.7959

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 106.152 S1 C4 H8 109.766
S1 C4 H9 109.766 S1 C5 H7 106.152
S1 C5 H10 109.766 S1 C5 H11 109.766
O2 S1 O3 120.593 O2 S1 C4 107.966
O2 S1 C5 107.966 O3 S1 C4 107.966
O3 S1 C5 107.966 C4 S1 C5 103.002
H6 C4 H8 109.849 H6 C4 H9 109.849
H7 C5 H10 109.849 H7 C5 H11 109.849
H8 C4 H9 111.327 H10 C5 H11 111.327
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability