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

using model chemistry: MP3=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3=FULL/6-31+G**
 hartrees
Energy at 0K-627.266222
Energy at 298.15K 
HF Energy-626.407423
Nuclear repulsion energy273.617394
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 MP3=FULL/6-31+G**
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 3274 3050 0.32      
2 A1 3160 2944 1.59      
3 A1 1514 1410 3.82      
4 A1 1429 1331 13.69      
5 A1 1181 1101 198.32      
6 A1 1058 986 0.36      
7 A1 724 675 7.74      
8 A1 492 459 33.92      
9 A1 277 258 2.29      
10 A2 3276 3052 0.00      
11 A2 1503 1400 0.00      
12 A2 987 920 0.00      
13 A2 304 283 0.00      
14 A2 204 190 0.00      
15 B1 3280 3055 1.48      
16 B1 1519 1415 10.65      
17 B1 1362 1269 304.42      
18 B1 1046 975 0.20      
19 B1 367 342 1.97      
20 B1 235 219 0.39      
21 B2 3273 3049 0.52      
22 B2 3158 2942 0.02      
23 B2 1505 1402 5.53      
24 B2 1411 1314 13.63      
25 B2 997 929 61.57      
26 B2 797 743 42.30      
27 B2 465 433 48.44      

Unscaled Zero Point Vibrational Energy (zpe) 19399.2 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 18072.3 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 MP3=FULL/6-31+G**
ABC
0.15162 0.14038 0.13839

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.186
O2 -1.269 0.000 0.910
O3 1.269 0.000 0.910
C4 0.000 1.402 -0.910
C5 0.000 -1.402 -0.910
H6 0.000 2.281 -0.273
H7 0.000 -2.281 -0.273
H8 0.898 1.382 -1.519
H9 -0.898 1.382 -1.519
H10 -0.898 -1.382 -1.519
H11 0.898 -1.382 -1.519

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.46051.46051.77961.77962.32672.32672.37092.37092.37092.3709
O21.46052.53712.62432.62432.86552.86553.53542.81852.81853.5354
O31.46052.53712.62432.62432.86552.86552.81853.53543.53542.8185
C41.77962.62432.62432.80401.08553.73761.08481.08482.98742.9874
C51.77962.62432.62432.80403.73761.08552.98742.98741.08481.0848
H62.32672.86552.86551.08553.73764.56191.77951.77953.97143.9714
H72.32672.86552.86553.73761.08554.56193.97143.97141.77951.7795
H82.37093.53542.81851.08482.98741.77953.97141.79563.29532.7631
H92.37092.81853.53541.08482.98741.77953.97141.79562.76313.2953
H102.37092.81853.53542.98741.08483.97141.77953.29532.76311.7956
H112.37093.53542.81852.98741.08483.97141.77952.76313.29531.7956

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 106.048 S1 C4 H8 109.313
S1 C4 H9 109.313 S1 C5 H7 106.048
S1 C5 H10 109.313 S1 C5 H11 109.313
O2 S1 O3 120.590 O2 S1 C4 107.771
O2 S1 C5 107.771 O3 S1 C4 107.771
O3 S1 C5 107.771 C4 S1 C5 103.959
H6 C4 H8 110.149 H6 C4 H9 110.149
H7 C5 H10 110.149 H7 C5 H11 110.149
H8 C4 H9 111.702 H10 C5 H11 111.702
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability