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

using model chemistry: MP3/6-31+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 MP3/6-31+G**
 hartrees
Energy at 0K-627.219565
Energy at 298.15K 
HF Energy-626.400471
Nuclear repulsion energy273.558874
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 MP3/6-31+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 3279 3051 0.56      
2 A1 3167 2946 0.99      
3 A1 1524 1418 2.48      
4 A1 1436 1336 17.25      
5 A1 1193 1110 184.36      
6 A1 1061 987 0.00      
7 A1 728 678 10.42      
8 A1 502 467 32.07      
9 A1 278 259 2.28      
10 A2 3280 3052 0.00      
11 A2 1511 1406 0.00      
12 A2 991 922 0.00      
13 A2 299 279 0.00      
14 A2 196 182 0.00      
15 B1 3284 3056 2.75      
16 B1 1528 1421 9.32      
17 B1 1390 1293 254.31      
18 B1 1052 979 0.43      
19 B1 373 347 1.48      
20 B1 228 212 0.45      
21 B2 3278 3050 0.35      
22 B2 3164 2945 0.18      
23 B2 1515 1410 5.83      
24 B2 1418 1320 14.91      
25 B2 1003 934 71.57      
26 B2 800 744 45.33      
27 B2 467 435 46.89      

Unscaled Zero Point Vibrational Energy (zpe) 19472.4 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 18119.0 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 MP3/6-31+G**
ABC
0.15154 0.14031 0.13819

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.189
O2 -1.268 0.000 0.910
O3 1.268 0.000 0.910
C4 0.000 1.402 -0.911
C5 0.000 -1.402 -0.911
H6 0.000 2.284 -0.276
H7 0.000 -2.284 -0.276
H8 0.897 1.385 -1.522
H9 -0.897 1.385 -1.522
H10 -0.897 -1.385 -1.522
H11 0.897 -1.385 -1.522

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.45891.45891.78201.78202.33042.33042.37622.37622.37622.3762
O21.45892.53662.62482.62482.86872.86873.53782.82232.82233.5378
O31.45892.53662.62482.62482.86872.86872.82233.53783.53782.8223
C41.78202.62482.62482.80481.08593.74021.08521.08522.99082.9908
C51.78202.62482.62482.80483.74021.08592.99082.99081.08521.0852
H62.33042.86872.86871.08593.74024.56711.77861.77863.97623.9762
H72.33042.86872.86873.74021.08594.56713.97623.97621.77861.7786
H82.37623.53782.82231.08522.99081.77863.97621.79393.29942.7691
H92.37622.82233.53781.08522.99081.77863.97621.79392.76913.2994
H102.37622.82233.53782.99081.08523.97621.77863.29942.76911.7939
H112.37623.53782.82232.99081.08523.97621.77862.76913.29941.7939

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 106.141 S1 C4 H8 109.527
S1 C4 H9 109.527 S1 C5 H7 106.141
S1 C5 H10 109.527 S1 C5 H11 109.527
O2 S1 O3 120.768 O2 S1 C4 107.752
O2 S1 C5 107.752 O3 S1 C4 107.752
O3 S1 C5 107.752 C4 S1 C5 103.807
H6 C4 H8 110.013 H6 C4 H9 110.013
H7 C5 H10 110.013 H7 C5 H11 110.013
H8 C4 H9 111.477 H10 C5 H11 111.477
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability