return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: PM6

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
Energy calculated at PM6
 hartrees
Energy at 0K 
Energy at 298.15K-0.149867
HF Energy-0.149867
Nuclear repulsion energy133.271458
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 PM6
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 2802 2977 84.63      
2 A1 2679 2847 202.32      
3 A1 1310 1391 160.96      
4 A1 1218 1294 195.95      
5 A1 1059 1125 560.14      
6 A1 954 1013 0.67      
7 A1 787 836 52.50      
8 A1 434 461 120.38      
9 A1 261 277 3.74      
10 A2 2693 2861 0.00      
11 A2 1201 1276 0.00      
12 A2 921 978 0.00      
13 A2 280 297 0.00      
14 A2 47i 50i 0.00      
15 B1 2699 2867 299.89      
16 B1 1223 1299 815.18      
17 B1 1170 1243 194.53      
18 B1 949 1008 6.68      
19 B1 347 369 11.49      
20 B1 52 56 0.48      
21 B2 2793 2967 177.64      
22 B2 2676 2843 146.79      
23 B2 1296 1377 282.72      
24 B2 1192 1266 140.08      
25 B2 953 1013 388.36      
26 B2 816 867 168.43      
27 B2 437 464 158.10      

Unscaled Zero Point Vibrational Energy (zpe) 16576.8 cm-1
Scaled (by 1.0624) Zero Point Vibrational Energy (zpe) 17611.2 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 PM6
ABC
0.15316 0.14270 0.13841

See section I.F.4 to change rotational constant units
Geometric Data calculated at PM6

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.185
O2 -1.251 0.000 0.919
O3 1.251 0.000 0.919
C4 0.000 1.380 -0.899
C5 0.000 -1.380 -0.899
H6 0.000 2.333 -0.345
H7 0.000 -2.333 -0.345
H8 0.882 1.432 -1.547
H9 -0.882 1.432 -1.547
H10 -0.882 -1.432 -1.547
H11 0.882 -1.432 -1.547

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.45041.45041.75441.75442.39212.39212.41372.41372.41372.4137
O21.45042.50192.60222.60222.93312.93313.56082.87472.87473.5608
O31.45042.50192.60222.60222.93312.93312.87473.56083.56082.8747
C41.75442.60222.60222.75981.10223.75381.09611.09613.01723.0172
C51.75442.60222.60222.75983.75381.10223.01723.01721.09611.0961
H62.39212.93312.93311.10223.75384.66561.74231.74234.04904.0490
H72.39212.93312.93313.75381.10224.66564.04904.04901.74231.7423
H82.41373.56082.87471.09613.01721.74234.04901.76483.36342.8632
H92.41372.87473.56081.09613.01721.74234.04901.76482.86323.3634
H102.41372.87473.56083.01721.09614.04901.74233.36342.86321.7648
H112.41373.56082.87473.01721.09614.04901.74232.86323.36341.7648

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 111.698 S1 C4 H8 113.719
S1 C4 H9 113.719 S1 C5 H7 111.698
S1 C5 H10 113.719 S1 C5 H11 113.719
O2 S1 O3 119.195 O2 S1 C4 108.210
O2 S1 C5 108.210 O3 S1 C4 108.210
O3 S1 C5 108.210 C4 S1 C5 103.731
H6 C4 H8 104.856 H6 C4 H9 104.856
H7 C5 H10 104.856 H7 C5 H11 104.856
H8 C4 H9 107.228 H10 C5 H11 107.228
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability